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{{Short description|Japanese-South Korean chalk brand}}
{{Short description|Japanese-South Korean chalk brand}}
[[File:羽衣チョーク_(cropped).jpg|thumb|Boxes of Hagoromo Fulltouch Chalk, produced by Hagoromo Bungu|250x250px]]
[[File:羽衣チョーク_(cropped).jpg|thumb|Boxes of Hagoromo Fulltouch Chalk, produced by Hagoromo Bungu|250x250px]]
{{Nihongo|'''Hagoromo Fulltouch Chalk'''|羽衣フルタッチチョーク|lead=yes|4={{Korean|hangul=하고로모 풀터치 탄산}}}} is a brand of [[chalk]] for [[Blackboard|blackboards]] originally produced by Japanese company {{Nihongo|Hagoromo Bungu|羽衣文具}}, and now by South Korean company Sejong Mall ({{Korean|hangul=세종몰|labels=no}}).<ref name=":0">{{Cite web |last=Kim |first=Dahee |date=2019-08-11 |title=Japan's Hagoromo chalk continues its legacy in S. Korea |url=https://english.kyodonews.net/news/2019/08/d4b94c1b66f8-feature-japans-hagoromo-chalk-continues-its-legacy-in-s-korea.html |access-date=2024-07-28 |website=[[Kyodo News|Kyodo News+]]}}</ref>
{{Nihongo|'''Hagoromo Fulltouch Chalk'''|羽衣フルタッチチョーク|lead=yes|4={{Korean|hangul=하고로모 풀터치 분필}}}} is a South Korean-owned brand of [[chalk]] for [[Blackboard|blackboards]], originally produced by Japanese company {{Nihongo|Hagoromo Bungu|羽衣文具}}.


Production of the chalk began in 1932. It reached its peak sales of 90 million pieces of chalk a year in 1990, and started to achieve international popularity from the 2000s. The chalk has found particular favor among mathematicians.
Production of the chalk began in 1932. It reached its peak sales of 90 million pieces of chalk a year in 1990, and started to achieve international popularity from the 2000s. The chalk has found particular favor among mathematicians, and has been described as the "[[Rolls-Royce Limited|Rolls-Royce]] of chalk".<ref name=":9" />


By 2014, Hagoromo Bungu's chief Watanabe Takayasu had no chosen successor, but rejected several Japanese companies that offered to continue producing the brand and announced that the company would close. Shin Hyung Seok, who had founded Sejong Mall in 2009 as an exclusive importer of Hagoromo to South Korea, and had good rapport with Watanabe, received permission to continue producing the chalk, and the knowledge and equipment to do so.
By 2014, Hagoromo Bungu's chief, Watanabe Takayasu, had not chosen a successor and declined offers from several Japanese companies to continue the brand. He ultimately decided to close the company. However, Shin Hyung Seok, the founder of Sejong Mall (세종몰) and the exclusive importer of Hagoromo chalk to South Korea since 2009, had a strong relationship with Watanabe. Shin was granted permission to continue production, receiving both the knowledge and equipment necessary for manufacturing.<ref name=":02">{{Cite web |last=Kim |first=Dahee |date=2019-08-11 |title=Japan's Hagoromo chalk continues its legacy in S. Korea |url=https://english.kyodonews.net/news/2019/08/d4b94c1b66f8-feature-japans-hagoromo-chalk-continues-its-legacy-in-s-korea.html |access-date=2024-07-28 |website=[[Kyodo News|Kyodo News+]]}}</ref> Since 2015, Sejong Mall has been producing the brand.<ref name=":72" />


== History ==
== History ==
Line 24: Line 24:
}}Hagoromo Bungu was founded in October 1932 as ''Nihon Chalk Seizosho''. The original factory was located in [[Naka-ku, Nagoya]], but was destroyed in August 1944 during World War II. The company was re-established in 1947 and renamed to Hagoromo Bungu. A factory in the nearby city of [[Kasugai, Aichi|Kasugai]] was completed in 1961, and the offices moved there in 1992.<ref>{{cite web |title=会社概要 |trans-title=Corporate Overview |url=http://www.hagoromo-bungu.co.jp/kaisya/ |url-status=dead |archive-url=https://web.archive.org/web/20150924024556/http://www.hagoromo-bungu.co.jp/kaisya/ |archive-date=September 24, 2015 |access-date=September 8, 2021 |website=Hagoromo Bungu |language=ja}}</ref>
}}Hagoromo Bungu was founded in October 1932 as ''Nihon Chalk Seizosho''. The original factory was located in [[Naka-ku, Nagoya]], but was destroyed in August 1944 during World War II. The company was re-established in 1947 and renamed to Hagoromo Bungu. A factory in the nearby city of [[Kasugai, Aichi|Kasugai]] was completed in 1961, and the offices moved there in 1992.<ref>{{cite web |title=会社概要 |trans-title=Corporate Overview |url=http://www.hagoromo-bungu.co.jp/kaisya/ |url-status=dead |archive-url=https://web.archive.org/web/20150924024556/http://www.hagoromo-bungu.co.jp/kaisya/ |archive-date=September 24, 2015 |access-date=September 8, 2021 |website=Hagoromo Bungu |language=ja}}</ref>


The company sold over 90 million pieces of chalk a year at its peak in 1990 and held a 30% share of the domestic market, according to Tokyo Shoko Research.<ref name="WSJ 2014">{{Cite web |last=Hongo |first=Jun |date=2014-11-20 |title=Chalk Maker Runs Out of Blackboard |url=https://blogs.wsj.com/japanrealtime/2014/11/20/chalk-maker-runs-out-of-blackboard-in-japan/ |access-date=2019-05-05 |website=WSJ |language=en-US}}</ref>
The company sold over 90 million pieces of chalk a year at its peak in 1990 and held a 30% share of the domestic market, according to Tokyo Shoko Research.<ref name="WSJ 20143">{{Cite web |last=Hongo |first=Jun |date=2014-11-20 |title=Chalk Maker Runs Out of Blackboard |url=https://blogs.wsj.com/japanrealtime/2014/11/20/chalk-maker-runs-out-of-blackboard-in-japan/ |access-date=2019-05-05 |website=WSJ |language=en-US}}</ref>


=== Establishment of Sejong Mall ===
=== Establishment of Sejong Mall ===
Line 31: Line 31:
| native_name = (주)세종몰
| native_name = (주)세종몰
| native_name_lang = ko
| native_name_lang = ko
| industry = Stationary manufacturing
| industry = Stationery manufacturing
| founded = {{Start date|2009}}
| founded = {{Start date|2009}}
| hq_location_city = [[Pocheon]]
| hq_location_city = [[Pocheon]]
Line 38: Line 38:
| owner = Shin Hyun Seok
| owner = Shin Hyun Seok
| website = {{URL|https://en.sejongmall.co.kr/}} (in English)
| website = {{URL|https://en.sejongmall.co.kr/}} (in English)
}}In 2003, South Korean [[Hagwon|''hagwon'']] math teacher Shin Hyung Seok ({{Korean|hangul=신형석|labels=no}}) visited Japan to learn about their [[cram school]] systems. During this trip, he encountered Hagoromo chalk for the first time.<ref name=":8">{{Cite web |last=곽 |first=창렬 |last2=김 |first2=세린 |date=2022-03-25 |title=수학을 풀다가 분필에 빠져들었다… ‘분필계의 롤스로이스’ 아시나요 |url=https://www.chosun.com/economy/weeklybiz/2022/03/31/VWKVWABI5RARPHD3Z2Z67PLR4Y/ |access-date=2024-07-28 |website=[[The Chosun Ilbo]] |language=ko}}</ref><ref name=":4">{{Cite web |date=2019-05-16 |title=[인터뷰] 일제 명품 분필 '하고로모' 인수, 한국서 생산한 학원강사 스토리 |url=https://www.bizhankook.com/bk/article/17787 |access-date=2024-07-28 |website=비즈한국 |language=ko}}</ref> He immediately became a fan of the brand.<ref name=":8" /> When he returned to Korea with boxes of the flourescent colored Hagoromo chalk variants, students praised the colors as easily legible. Upon running out of Hagoromo chalk, he searched to see if any businesses in South Korea imported the brand, and was disappointed to learn that none did.<ref name=":8" /><ref name=":3">{{Cite news |last=박 |first=혜림 |date=2022-08-18 |title=[이슈人이슈] '하고로모 분필' 신형석 세종몰 대표 |url=https://www.incheonilbo.com/news/articleView.html?idxno=1157595 |access-date=2024-07-27 |work={{ill|Incheon Ilbo|ko|인천일보}} |language=ko}}</ref><ref name=":4" /> He also asked if any manufacturers were willing to make flourescent chalk colors, and all reportedly refused, with some claiming that there wasn't a market for such colors and high-end chalk brands.<ref name=":4" />
}}In 2003, South Korean ''[[hagwon]]'' math teacher Shin Hyung Seok ({{Korean|hangul=신형석|labels=no}}) visited Japan to learn about their [[cram school]] systems. During this trip, he encountered Hagoromo chalk for the first time.<ref name=":82">{{Cite web |last=곽 |first=창렬 |last2=김 |first2=세린 |date=2022-03-25 |title=수학을 풀다가 분필에 빠져들었다… ‘분필계의 롤스로이스’ 아시나요 |url=https://www.chosun.com/economy/weeklybiz/2022/03/31/VWKVWABI5RARPHD3Z2Z67PLR4Y/ |access-date=2024-07-28 |website=[[The Chosun Ilbo]] |language=ko}}</ref><ref name=":42">{{Cite web |date=2019-05-16 |title=[인터뷰] 일제 명품 분필 '하고로모' 인수, 한국서 생산한 학원강사 스토리 |url=https://www.bizhankook.com/bk/article/17787 |access-date=2024-07-28 |website=비즈한국 |language=ko}}</ref> He immediately became a fan of the brand.<ref name=":82"/> When he returned to Korea with boxes of the fluorescent colored Hagoromo chalk variants, students praised the colors as easily legible. Upon running out of Hagoromo chalk, he searched to see if any businesses in South Korea imported the brand, and was disappointed to learn that none did.<ref name=":82"/><ref name=":32">{{Cite news |last=박 |first=혜림 |date=2022-08-18 |title=[이슈人이슈] '하고로모 분필' 신형석 세종몰 대표 |url=https://www.incheonilbo.com/news/articleView.html?idxno=1157595 |access-date=2024-07-27 |work={{ill|Incheon Ilbo|ko|인천일보}} |language=ko}}</ref><ref name=":42"/> He also asked if any manufacturers were willing to make fluorescent chalk colors, and all reportedly refused, with some claiming that there wasn't a market for such colors and high-end chalk brands.<ref name=":42"/>


In 2006, Shin reached out to Hagoromo Bungu's president, Watanabe Takayasu.<ref name=":8" /><ref name=":1">{{Cite web |last=Nam |first=Hyun-woo |date=2019-07-03 |title=Former cram school teacher keeps legacy of Hagoromo chalk |url=https://www.koreatimes.co.kr/www/tech/2024/07/419_271580.html |access-date=2024-07-28 |website=[[The Korea Times]] |language=en}}</ref> Coincidentally, Watanabe's second daughter was able to serve as a translator; she was fluent in Korean and had previously studied abroad in South Korea.<ref name=":1" /><ref name=":2">{{Cite news |last=Ogawa |first=Takashi |date=2021-03-01 |title=The South Korean keeping Japan’s top chalk from fading out |url=https://www.asahi.com/ajw/articles/14230742 |access-date=2024-07-27 |work=[[The Asahi Shimbun]] |language=en}}</ref><ref name=":7">{{Cite web |last1=Gopal |first1=Trisha |last2=Omanoff |first2=Jacqueline |last3=Chung |first3=Evan |date=2020-08-22 |title=How a brand of chalk achieved cult status among mathematicians |url=https://www.cnn.com/2020/08/22/us/hagoromo-chalk-great-big-story-trnd/index.html |url-status=live |archive-url=https://web.archive.org/web/20200830114530/https://www.cnn.com/2020/08/22/us/hagoromo-chalk-great-big-story-trnd/index.html |archive-date=2020-08-30 |access-date=2020-08-31 |website=[[CNN]]}}</ref> She reportedly visited South Korea multiple times a year with her father because she enjoyed [[South Korean cuisine]].<ref name=":4" /><ref name=":7" /> Shin received approval to operate as the exclusive importer of Hagoromo products to South Korea; this resulted in the creation of Sejong Mall in 2009.<ref name=":1" /> The two reportedly quickly built a positive rapport.<ref name=":2" /> Hagoromo quickly became successful in South Korea; at some point reportedly around 80–90% of instructors at ''hagwons'' adopted the brand.<ref name=":4" />
In 2006, Shin reached out to Hagoromo Bungu's president, Watanabe Takayasu.<ref name=":82"/><ref name=":12">{{Cite web |last=Nam |first=Hyun-woo |date=2019-07-03 |title=Former cram school teacher keeps legacy of Hagoromo chalk |url=https://www.koreatimes.co.kr/www/tech/2024/07/419_271580.html |access-date=2024-07-28 |website=[[The Korea Times]] |language=en}}</ref> Coincidentally, Watanabe's second daughter was able to serve as a translator; she was fluent in Korean and had previously studied abroad in South Korea.<ref name=":12"/><ref name=":22">{{Cite news |last=Ogawa |first=Takashi |date=2021-03-01 |title=The South Korean keeping Japan’s top chalk from fading out |url=https://www.asahi.com/ajw/articles/14230742 |access-date=2024-07-27 |work=[[The Asahi Shimbun]] |language=en}}</ref><ref name=":72">{{Cite web |last1=Gopal |first1=Trisha |last2=Omanoff |first2=Jacqueline |last3=Chung |first3=Evan |date=2020-08-22 |title=How a brand of chalk achieved cult status among mathematicians |url=https://www.cnn.com/2020/08/22/us/hagoromo-chalk-great-big-story-trnd/index.html |url-status=live |archive-url=https://web.archive.org/web/20200830114530/https://www.cnn.com/2020/08/22/us/hagoromo-chalk-great-big-story-trnd/index.html |archive-date=2020-08-30 |access-date=2020-08-31 |website=[[CNN]]}}</ref> She reportedly visited South Korea multiple times a year with her father because she enjoyed [[South Korean cuisine]].<ref name=":42"/><ref name=":72"/> Shin received approval to operate as the exclusive importer of Hagoromo products to South Korea; this resulted in the creation of Sejong Mall in 2009.<ref name=":12"/> The two reportedly quickly built a positive rapport.<ref name=":22"/> Hagoromo quickly became successful in South Korea; at some point reportedly around 80–90% of instructors at ''hagwons'' adopted the brand.<ref name=":42"/>


=== Closure of Hagoromo Bungu and succession ===
=== Closure of Hagoromo Bungu and succession ===
In October 2014, company president Takayasu Watanabe released a statement announcing the company would stop chalk production in February 2015 and sales in March 2015.<ref name="WSJ 20142">{{Cite web |last=Hongo |first=Jun |date=2014-11-20 |title=Chalk Maker Runs Out of Blackboard |url=https://blogs.wsj.com/japanrealtime/2014/11/20/chalk-maker-runs-out-of-blackboard-in-japan/ |access-date=2019-05-05 |website=WSJ |language=en-US}}</ref><ref name="closure ann">{{Cite web |title= |script-title=ja:廃業のご案内 |trans-title=Information on business closure |url=http://www.hagoromo-bungu.co.jp/ |url-status=dead |archive-url=https://web.archive.org/web/20141024164454/http://www.hagoromo-bungu.co.jp/ |archive-date=2014-10-24 |access-date=2019-05-05 |website=Hagoromo Bungu |language=ja}}</ref><ref>{{cite news |last1=木ノ下 |first1=めぐみ |date=29 June 2015 |script-title=ja:「チョークのロールスロイス」…講師ら支えた名門業者が廃業 韓国企業が継承へ |trans-title="Rolls-Royce of Chalk" ... A prestigious company supported by instructors shuts down |url=https://www.sankei.com/west/news/150629/wst1506290074-n3.html |work=産経West |publisher=The Sankei News |language=ja}}</ref> Watanabe, Ryuzo Watanabe's successor, mentioned reasons for the closure included the fact that "blackboards are no longer the norm in classrooms" and that "the number of students is also on the wane".<ref name="closure ann" /> In a 2015 interview, Watanabe also cited his declining health as a major reason for the closure.<ref name="Nikkei Business 2016">{{Cite web |last=Watanabe |first=Takayasu |date=2015-07-02 |title=Hagoromo president explains why he closed down his beloved chalk business |url=https://asia.nikkei.com/Business/Hagoromo-president-explains-why-he-closed-his-beloved-chalk-business |archive-url= |archive-date= |access-date=2020-08-31 |website=Nikkei Asian Review |language=en-GB}}</ref> The announcement to cease business led to the mass buying, hoarding, and reselling of chalk among its fanbase.<ref name="Nikkei Business 20162">{{Cite web |last=Watanabe |first=Takayasu |date=2015-07-02 |title=Hagoromo president explains why he closed down his beloved chalk business |url=https://asia.nikkei.com/Business/Hagoromo-president-explains-why-he-closed-his-beloved-chalk-business |archive-url= |archive-date= |access-date=2020-08-31 |website=Nikkei Asian Review |language=en-GB}}</ref><ref>{{Cite web |last=Pascaud |first=May |date=2015-06-29 |title=Mathematicians mourn the loss of the 'Rolls-Royce of chalk' |url=https://www.pri.org/stories/2015-06-29/mathematicians-mourn-loss-their-dream-chalk |access-date=2019-05-05 |website=[[Public Radio International]] |language=en}}</ref><ref>{{cite episode |title=Mathematicians snatch up last boxes of the "Rolls-Royce of chalk" |url=https://www.cbc.ca/radio/asithappens/as-it-happens-tuesday-edition-1.3115584/mathematicians-snatch-up-last-boxes-of-the-rolls-royce-of-chalk-1.3116153 |series=As It Happens |network=CBC |date=16 June 2015 |work=CBC News}}</ref> By June 2015, Watanabe reported that production continued for a month longer than originally planned and finally ended on 31 March 2015.<ref name="Nikkei Business 20163">{{Cite web |last=Watanabe |first=Takayasu |date=2015-07-02 |title=Hagoromo president explains why he closed down his beloved chalk business |url=https://asia.nikkei.com/Business/Hagoromo-president-explains-why-he-closed-his-beloved-chalk-business |archive-url= |archive-date= |access-date=2020-08-31 |website=Nikkei Asian Review |language=en-GB}}</ref>
In October 2014, company president Watanabe Takayasu released a statement announcing the company would stop chalk production in February 2015 and sales in March 2015.<ref name="WSJ 20143"/><ref name="closure ann">{{Cite web |title= |script-title=ja:廃業のご案内 |trans-title=Information on business closure |url=http://www.hagoromo-bungu.co.jp/ |url-status=dead |archive-url=https://web.archive.org/web/20141024164454/http://www.hagoromo-bungu.co.jp/ |archive-date=2014-10-24 |access-date=2019-05-05 |website=Hagoromo Bungu |language=ja}}</ref><ref>{{cite news |last1=木ノ下 |first1=めぐみ |date=29 June 2015 |script-title=ja:「チョークのロールスロイス」…講師ら支えた名門業者が廃業 韓国企業が継承へ |trans-title="Rolls-Royce of Chalk" ... A prestigious company supported by instructors shuts down |url=https://www.sankei.com/west/news/150629/wst1506290074-n3.html |work=産経West |publisher=The Sankei News |language=ja}}</ref> Watanabe, Watanabe Ryuzo's successor, mentioned reasons for the closure included the fact that "blackboards are no longer the norm in classrooms" and that "the number of students is also on the wane".<ref name="closure ann" /> Watanabe also cited his declining health due to stomach cancer as a major reason for the closure.<ref name="Nikkei Business 20164">{{Cite web |last=Watanabe |first=Takayasu |date=2015-07-02 |title=Hagoromo president explains why he closed down his beloved chalk business |url=https://asia.nikkei.com/Business/Hagoromo-president-explains-why-he-closed-his-beloved-chalk-business |access-date=2020-08-31 |website=[[Nikkei Asia]] |language=en-GB}}</ref><ref name=":12" /> The announcement to cease business led to the mass buying, hoarding, and reselling of chalk among its fanbase.<ref name="Nikkei Business 20164"/><ref>{{Cite web |last=Pascaud |first=May |date=2015-06-29 |title=Mathematicians mourn the loss of the 'Rolls-Royce of chalk' |url=https://www.pri.org/stories/2015-06-29/mathematicians-mourn-loss-their-dream-chalk |access-date=2019-05-05 |website=[[Public Radio International]] |language=en}}</ref><ref>{{cite episode |title=Mathematicians snatch up last boxes of the "Rolls-Royce of chalk" |url=https://www.cbc.ca/radio/asithappens/as-it-happens-tuesday-edition-1.3115584/mathematicians-snatch-up-last-boxes-of-the-rolls-royce-of-chalk-1.3116153 |series=As It Happens |network=CBC |date=16 June 2015 |work=CBC News}}</ref> By June 2015, Watanabe reported that production continued for a month longer than originally planned and finally ended on 31 March 2015.<ref name="Nikkei Business 20164"/>


Hagoromo Bungu had been owned for three generations by the same family, but by 2014 lacked a successor.<ref name=":02">{{Cite web |last=Kim |first=Dahee |date=2019-08-11 |title=Japan's Hagoromo chalk continues its legacy in S. Korea |url=https://english.kyodonews.net/news/2019/08/d4b94c1b66f8-feature-japans-hagoromo-chalk-continues-its-legacy-in-s-korea.html |access-date=2024-07-28 |website=[[Kyodo News|Kyodo News+]]}}</ref> None of Watanabe's three daughters, nor any of their husbands, were willing to take over the business.<ref name=":02" /><ref name=":42">{{Cite web |date=2019-05-16 |title=[인터뷰] 일제 명품 분필 '하고로모' 인수, 한국서 생산한 학원강사 스토리 |url=https://www.bizhankook.com/bk/article/17787 |access-date=2024-07-28 |website=비즈한국 |language=ko}}</ref> Watanabe had reportedly tried sharing his equipment and recipe for the chalk with other companies, but was dissatisfied with their output quality.<ref name=":12">{{Cite web |last=Nam |first=Hyun-woo |date=2019-07-03 |title=Former cram school teacher keeps legacy of Hagoromo chalk |url=https://www.koreatimes.co.kr/www/tech/2024/07/419_271580.html |access-date=2024-07-28 |website=[[The Korea Times]] |language=en}}</ref><ref name=":42" /> Umajirushi, a Japanese blackboard manufacturer looking to expand their chalk production, bought one of the chalk production machines.<ref name="Nikkei Business 20164">{{Cite web |last=Watanabe |first=Takayasu |date=2015-07-02 |title=Hagoromo president explains why he closed down his beloved chalk business |url=https://asia.nikkei.com/Business/Hagoromo-president-explains-why-he-closed-his-beloved-chalk-business |archive-url= |archive-date= |access-date=2020-08-31 |website=Nikkei Asian Review |language=en-GB}}</ref><ref name="Gizmodo 20152">{{Cite web |last=Zhang |first=Sarah |date=2015-06-15 |title=Why Mathematicians Are Hoarding This Special Type of Japanese Chalk |url=https://gizmodo.com/why-mathematicians-are-hoarding-this-special-type-of-ja-1711008881 |archive-url= |archive-date= |access-date=2019-05-05 |website=[[Gizmodo]] |language=en-US}}</ref> Umajirushi launched DC Chalk Deluxe ({{Lang|ja|DCチョークDX}}),<ref name="Gizmodo 20152" /><ref>{{Cite web |title=Product - DC Chalk DX |url=https://www.uma-jirushi.co.jp/item/bungu/chalk-tansan/dcchalk-dx |url-status=dead |archive-url=https://web.archive.org/web/20190505132851/https://www.uma-jirushi.co.jp/item/bungu/chalk-tansan/dcchalk-dx |archive-date=5 May 2019 |access-date=2019-05-05 |website=Umajirushi}}</ref> but subsequently discontinued production in early 2020.<ref>Press release (in Japanese). https://www.uma-jirushi.co.jp/info/7895</ref>
Hagoromo Bungu had been owned for three generations by the same family, but by 2014 lacked a successor.<ref name=":02"/> None of Watanabe's three daughters, nor any of their husbands, were willing to take over the business.<ref name=":02" /><ref name=":42"/> Watanabe had reportedly tried sharing his equipment and recipe for the chalk with other companies, but was dissatisfied with their output quality.<ref name=":12"/><ref name=":42" /> Umajirushi, a Japanese blackboard manufacturer looking to expand their chalk production, bought one of the chalk production machines.<ref name="Nikkei Business 20164"/><ref name="Gizmodo 20153">{{Cite web |last=Zhang |first=Sarah |date=2015-06-15 |title=Why Mathematicians Are Hoarding This Special Type of Japanese Chalk |url=https://gizmodo.com/why-mathematicians-are-hoarding-this-special-type-of-ja-1711008881 |access-date=2019-05-05 |website=[[Gizmodo]] |language=en-US}}</ref> Umajirushi launched DC Chalk Deluxe ({{Lang|ja|DCチョークDX}}),<ref name="Gizmodo 20153"/><ref>{{Cite web |title=Product - DC Chalk DX |url=https://www.uma-jirushi.co.jp/item/bungu/chalk-tansan/dcchalk-dx |url-status=dead |archive-url=https://web.archive.org/web/20190505132851/https://www.uma-jirushi.co.jp/item/bungu/chalk-tansan/dcchalk-dx |archive-date=5 May 2019 |access-date=2019-05-05 |website=Umajirushi}}</ref> but subsequently discontinued production in early 2020.<ref>Press release (in Japanese). https://www.uma-jirushi.co.jp/info/7895</ref>


Hagoromo Bungu's sales had been dropping along with the overall decline in the chalk industry.<ref name=":12" /><ref name=":22">{{Cite news |last=Ogawa |first=Takashi |date=2021-03-01 |title=The South Korean keeping Japan’s top chalk from fading out |url=https://www.asahi.com/ajw/articles/14230742 |access-date=2024-07-27 |work=[[The Asahi Shimbun]] |language=en}}</ref> Around that time, Watanabe's stomach cancer returned. Watanabe called Shin and informed him of his intent to close the company, and apologized for it affecting Shin's business.<ref name=":12" /> Shin asked if Watanabe would let him continue making the chalk, but Watanabe initially refused. He warned Shin about how difficult the manufacturing industry was.<ref name=":82">{{Cite web |last=곽 |first=창렬 |last2=김 |first2=세린 |date=2022-03-25 |title=수학을 풀다가 분필에 빠져들었다… ‘분필계의 롤스로이스’ 아시나요 |url=https://www.chosun.com/economy/weeklybiz/2022/03/31/VWKVWABI5RARPHD3Z2Z67PLR4Y/ |access-date=2024-07-28 |website=[[The Chosun Ilbo]] |language=ko}}</ref> Eventually, Watanabe was convinced to allow it; Watanabe's daughter reportedly tearfully thanked Shin for managing to do so.<ref name=":42" />
Watanabe called Shin and informed him of his intent to close the company, and apologized for it affecting Shin's business.<ref name=":12" /> Shin asked if Watanabe would let him continue making the chalk, but Watanabe initially refused. He warned Shin about how difficult the manufacturing industry was.<ref name=":82"/> Eventually, Watanabe was convinced to allow it; Watanabe's daughter reportedly tearfully thanked Shin for managing to do so.<ref name=":42" />


In early 2015, Watanabe sold the machines to Shin for a notably low price. Each machine, valued around [[South Korean won|₩]]80 million won (US${{To USD round|90000000|KOR|year=2015}}), was sold for ₩1 million (US${{To USD round|1000000|KOR|year=2015}}).<ref name=":42" /><ref name=":12" /> Shin imported the machines in sixteen 40-foot containers from [[Nagoya]] to Pocheon.<ref name=":12" /><ref name=":6">{{Cite web |date=2022-07-18 |title=`딱딱` 풀리는 수학 난제...허준이 필즈상 뒤엔 이 `명품` 있었다 |url=https://news.zum.com/articles/76972275 |access-date=2024-07-28 |website= |language=ko |via=ZUM 뉴스 |agency=[[JoongAng Ilbo]]}}</ref><ref name=":72">{{Cite web |last1=Gopal |first1=Trisha |last2=Omanoff |first2=Jacqueline |last3=Chung |first3=Evan |date=2020-08-22 |title=How a brand of chalk achieved cult status among mathematicians |url=https://www.cnn.com/2020/08/22/us/hagoromo-chalk-great-big-story-trnd/index.html |url-status=live |archive-url=https://web.archive.org/web/20200830114530/https://www.cnn.com/2020/08/22/us/hagoromo-chalk-great-big-story-trnd/index.html |archive-date=2020-08-30 |access-date=2020-08-31 |website=[[CNN]]}}</ref> After the factory was set up, Watanabe, in a wheelchair, visited South Korea and expressed his approval at the factory. He taught Shin how to create the chalk.<ref name=":42" /> A number of Hagoromo Bungu's [[Zainichi Korean]] employees went over as technical advisors to ensure that the manufacturing was faithful to the original.<ref name=":5">{{Cite web |last=고 |first=은빛 |date=2020-05-07 |title=[넥스트K] 스탠퍼드·베이징大 칠판엔 '명품 K분필'이 있다 |url=https://www.hankyung.com/article/202005071869g |access-date=2024-07-28 |website=[[Hankyung]] |language=ko}}</ref><ref name=":22" /> In 2019, it was reported that the chalk imported raw materials from Japan, including sea shells, in order to promote consistency.<ref name=":42" /> Reportedly, some people thought the new Hagoromo Fulltouch chalk was fake; Watanabe and Shin reportedly took a photo together to show that Shin had Watanabe's blessing.<ref name=":5" /> The brand has since been evaluated by at least one mathematician as indistinguishable from the original product.<ref name=":72" />
In early 2015, Watanabe sold the machines to Shin for a notably low price. Each machine, valued around [[South Korean won|₩]]80 million won (US${{To USD round|90000000|KOR|year=2015}}), was sold for ₩1 million (US${{To USD round|1000000|KOR|year=2015}}).<ref name=":42" /><ref name=":12" /> Shin imported the machines in sixteen 40-foot containers from [[Nagoya]] to Pocheon.<ref name=":12" /><ref name=":6">{{Cite web |date=2022-07-18 |title=`딱딱` 풀리는 수학 난제...허준이 필즈상 뒤엔 이 `명품` 있었다 |url=https://news.zum.com/articles/76972275 |access-date=2024-07-28 |website= |language=ko |via=ZUM 뉴스 |agency=[[JoongAng Ilbo]]}}</ref><ref name=":72"/> After the factory was set up, Watanabe, in a wheelchair, visited South Korea and expressed his approval at the factory. He taught Shin how to create the chalk.<ref name=":42" /> A number of Hagoromo Bungu's [[Zainichi Korean]] employees went over as technical advisors to ensure that the manufacturing was faithful to the original.<ref name=":5">{{Cite web |last=고 |first=은빛 |date=2020-05-07 |title=[넥스트K] 스탠퍼드·베이징大 칠판엔 '명품 K분필'이 있다 |url=https://www.hankyung.com/article/202005071869g |access-date=2024-07-28 |website=[[Hankyung]] |language=ko}}</ref><ref name=":22"/> In 2019, it was reported that the chalk imported raw materials from Japan, including sea shells, in order to promote consistency.<ref name=":42" /> Reportedly, some people thought the new Hagoromo Fulltouch chalk was fake; Watanabe and Shin reportedly took a photo together to show that Shin had Watanabe's blessing.<ref name=":5" /> The brand has since been evaluated by at least one mathematician as indistinguishable from the original product.<ref name=":72" />


To begin working as a manufacturer, Shin initially invested around ₩700 million into the business.<ref name=":12" /> In 2016, Sejong Mall began to produce the chalk.<ref name=":22" /><ref name=":12" /> Their sales by year increased from ₩300 million in 2016, to ₩600 million in 2017, to ₩900 million in 2018,<ref name=":12" /> to ₩2 billion in 2019.<ref name=":5" /> Overseas sales improved from ₩50 million in 2016, to ₩100 million in 2017, and ₩300 million in 2018.<ref name=":12" /> In 2019, overseas sales were around 40% of the total.<ref name=":5" /> Sales were reportedly improved by foreign documentaries and news coverage on the Hagoromo brand and the transfer.<ref name=":32">{{Cite news |last=박 |first=혜림 |date=2022-08-18 |title=[이슈人이슈] '하고로모 분필' 신형석 세종몰 대표 |url=https://www.incheonilbo.com/news/articleView.html?idxno=1157595 |access-date=2024-07-27 |work={{ill|Incheon Ilbo|ko|인천일보}} |language=ko}}</ref><ref name=":6" /> Sejong Mall has reportedly attempted to position the chalk as a high-end product in the market, and has made efforts to design the packaging accordingly.<ref name=":5" />
To begin working as a manufacturer, Shin initially invested around ₩700 million into the business.<ref name=":12" /> In 2016, Sejong Mall began to produce the chalk.<ref name=":22" /><ref name=":12" /> Their sales by year increased from ₩300 million in 2016, to ₩600 million in 2017, to ₩900 million in 2018,<ref name=":12" /> to ₩2 billion in 2019.<ref name=":5" /> Overseas sales improved from ₩50 million in 2016, to ₩100 million in 2017, and ₩300 million in 2018.<ref name=":12" /> In 2019, overseas sales were around 40% of the total.<ref name=":5" /> Sales were reportedly improved by foreign documentaries and news coverage on the Hagoromo brand and the transfer.<ref name=":32"/><ref name=":6" /> Sejong Mall has reportedly attempted to position the chalk as a high-end product in the market, and has made efforts to design the packaging accordingly.<ref name=":5" />


The handoff of the Hagoromo brand has been impacted by often-fraught [[Japan–South Korea relations]].<ref name=":42" /> Japanese broadcaster [[NHK]] reportedly produced a 30 minute documentary that reportedly critically described Hagoromo's hand-off as the transfer of Japanese technology to a foreign country.<ref name=":42" /> Some South Koreans expressed disapproval of the brand, as it was originally from Japan.<ref name=":42" /> Shin and Watanabe defended their positive relationship and expressed hope that relations between their countries will improve.<ref name=":02" /> In January 2020, Shin visited Watanabe, and the two promised to meet again when the weather became warmer. Amidst travel restrictions in the [[COVID-19 pandemic in Japan|COVID-19 pandemic]],<ref name=":22" /> Watanabe died in July that year<ref name=":72" /> without them having met again.<ref name=":22" /> According to Shin, Watanabe continued advising Shin on the company until his death.<ref name=":82" />
The handoff of the Hagoromo brand has been impacted by often-fraught [[Japan–South Korea relations]].<ref name=":42" /> Japanese broadcaster [[NHK]] reportedly produced a 30-minute documentary that reportedly critically described Hagoromo's hand-off as the transfer of Japanese technology to a foreign country.<ref name=":42" /> Some South Koreans expressed disapproval of the brand, as it was originally from Japan.<ref name=":42" /> Shin and Watanabe defended their positive relationship and expressed hope that relations between their countries will improve.<ref name=":02" /> In January 2020, Shin visited Watanabe, and the two promised to meet again when the weather became warmer. Amidst travel restrictions in the [[COVID-19 pandemic in Japan|COVID-19 pandemic]],<ref name=":22" /> Watanabe died in July that year<ref name=":72" /> without them having met again.<ref name=":22" /> According to Shin, Watanabe continued advising Shin on the company until his death.<ref name=":82" />


The Japanese Chalk Association reportedly banned imports of Hagoromo Fulltouch from South Korea for five years, with the concern that it would destabilize the market.<ref name=":5" /> In 2017, the company began importing the brand to Vietnam. The product is also sold in Europe and America, particularly through the e-commerce website [[Amazon (company)|Amazon]].<ref name=":5" /> In 2020, it was reported that China was the company's largest market, followed by the United States.<ref name=":5" /> In 2020, it was reported that the company was developing a writing product that would work on glass.<ref name=":5" /> In 2022, it was reported that the company was developing other writing utensils, such as pens.<ref name=":32" />
The Japanese Chalk Association reportedly banned imports of Hagoromo Fulltouch from South Korea for five years, with the concern that it would destabilize the market.<ref name=":5" /> In 2017, the company began importing the brand to Vietnam. The product is also sold in Europe and America, particularly through the e-commerce website [[Amazon (company)|Amazon]].<ref name=":5" /> In 2020, it was reported that China was the company's largest market, followed by the United States.<ref name=":5" /> In 2020, it was reported that the company was developing a writing product that would work on glass.<ref name=":5" /> In 2022, it was reported that the company was developing other writing utensils, such as pens.<ref name=":32" />


== Popularity and legacy ==
== Popularity and legacy ==
Mathematician [[Satyan Devadoss]] wrote in 2010 that the Hagoromo chalk can be called "the Michael Jordan of chalk, the Rolls-Royce of chalk".<ref>{{Cite web |last=Devadoss |first=Satyan |authorlink=Satyan Devadoss |date=2010-09-16 |title=Dream Chalk |url=https://math.williams.edu/dream-chalk/ |url-status=live |archive-url=https://web.archive.org/web/20200822192956/https://math.williams.edu/dream-chalk/ |archive-date=2020-08-22 |access-date=2020-08-31 |website=Mathematics & Statistics department blog |publisher=[[Williams College]] |language=en-US}}</ref> Several other well-known mathematicians and professors, such as [[Brian Conrad]] and [[David Eisenbud]], also prefer the product.<ref name="Gizmodo 2015">{{Cite web |last=Zhang |first=Sarah |date=2015-06-15 |title=Why Mathematicians Are Hoarding This Special Type of Japanese Chalk |url=https://gizmodo.com/why-mathematicians-are-hoarding-this-special-type-of-ja-1711008881 |archive-url= |archive-date= |access-date=2019-05-05 |website=[[Gizmodo]] |language=en-US}}</ref><ref>{{cite AV media |url=https://www.youtube.com/watch?v=PhNUjg9X4g8 |title=The World's Best Mathematicians Are Hoarding Chalk |date=2019-05-02 |first= |publisher=[[Great Big Story]] |volume= |access-date=2019-05-05 |via=[[YouTube]] |pages=}}</ref> After the succession by Sejong Mall, at least one mathematician evaluated Sejong Mall's chalk as indistinguishable from the original.<ref name=":72" /> [[David Eisenbud|Eisenbud]] first introduced the chalk to American mathematicians and worked to have it imported to the US; it became sold on [[Amazon (company)|Amazon]].<ref>{{Cite web |date=2019-05-21 |title=A Rare Chalk in the World of Math: How Tools Change How We Work |url=http://dfc.com/3294-2/ |access-date=2020-11-19 |website=DFC |language=en-US}}</ref>
Mathematician [[Satyan Devadoss]] wrote in 2010 that the Hagoromo chalk can be called "the Michael Jordan of chalk, the Rolls-Royce of chalk".<ref name=":9">{{Cite web |last=Devadoss |first=Satyan |authorlink=Satyan Devadoss |date=2010-09-16 |title=Dream Chalk |url=https://math.williams.edu/dream-chalk/ |url-status=live |archive-url=https://web.archive.org/web/20200822192956/https://math.williams.edu/dream-chalk/ |archive-date=2020-08-22 |access-date=2020-08-31 |website=Mathematics & Statistics department blog |publisher=[[Williams College]] |language=en-US}}</ref> Several other well-known mathematicians and professors, such as [[Brian Conrad]] and [[David Eisenbud]], also prefer the product.<ref name="Gizmodo 20153"/><ref>{{cite AV media |url=https://www.youtube.com/watch?v=PhNUjg9X4g8 |title=The World's Best Mathematicians Are Hoarding Chalk |date=2019-05-02 |first= |publisher=[[Great Big Story]] |volume= |access-date=2019-05-05 |via=[[YouTube]] |pages=}}</ref> When it was announced in 2015 that Hagoromo chalk would stop being produced, many professors and chalk connoisseurs began buying large quantities of the chalk.<ref>{{Cite web |last=Chung |first=Trisha Gopal,Jacqueline Omanoff,Evan |date=2020-08-22 |title=How a brand of chalk achieved cult status among mathematicians |url=https://edition.cnn.com/2020/08/22/us/hagoromo-chalk-great-big-story-trnd/index.html |access-date=2024-08-17 |website=CNN |language=en}}</ref><ref>{{Cite AV media |url=https://www.youtube.com/watch?v=PhNUjg9X4g8 |title=Why the World’s Best Mathematicians Are Hoarding Chalk |date=2019-05-02 |last=Great Big Story |access-date=2024-08-17 |via=YouTube}}</ref> After the succession by Sejong Mall, at least one mathematician evaluated Sejong Mall's chalk as indistinguishable from the original.<ref name=":72" /> [[David Eisenbud]] first introduced the chalk to American mathematicians and worked to have it imported to the US; it later became available for sale on [[Amazon (company)|Amazon]].<ref>{{Cite web |date=2019-05-21 |title=A Rare Chalk in the World of Math: How Tools Change How We Work |url=http://dfc.com/3294-2/ |access-date=2020-11-19 |website=DFC |language=en-US}}</ref>


== Product variants ==
== Product variants ==
Hagoromo Bungu sold the following chalk products:<ref name="WSJ 20143"/><ref name="Gizmodo 20153"/>
Hagoromo Bungu sold the following chalk products:<ref name="WSJ 20143">{{Cite web |last=Hongo |first=Jun |date=2014-11-20 |title=Chalk Maker Runs Out of Blackboard |url=https://blogs.wsj.com/japanrealtime/2014/11/20/chalk-maker-runs-out-of-blackboard-in-japan/ |access-date=2019-05-05 |website=WSJ |language=en-US}}</ref><ref name="Gizmodo 20153">{{Cite web |last=Zhang |first=Sarah |date=2015-06-15 |title=Why Mathematicians Are Hoarding This Special Type of Japanese Chalk |url=https://gizmodo.com/why-mathematicians-are-hoarding-this-special-type-of-ja-1711008881 |archive-url= |archive-date= |access-date=2019-05-05 |website=[[Gizmodo]] |language=en-US}}</ref>


* Fulltouch Chalk: [[Calcium carbonate|calcium chalk]]
* Fulltouch Chalk: [[Calcium carbonate|calcium chalk]]
* Fulltouch Large Chalk: calcium chalk, 2&nbsp;cm in diameter and 11.3&nbsp;cm in length, available in white, red, orange, yellow, green, and blue<ref>{{Cite press release |last1=Kang |first1=Karen |url=https://www.prweb.com/releases/hagoromo_s_high_quality_chalks_still_beloved_by_many_in_this_digital_world/prweb16255052.htm |title=Hagoromo's High Quality Chalks, Still Beloved by Many in this Digital World |date=2019-04-19 |publisher=[[PRWeb]] |language=en-US |access-date=2020-08-31}}</ref>
* Fulltouch Large Chalk: calcium chalk, 2&nbsp;cm in diameter and 11.3&nbsp;cm in length, available in white, red, orange, yellow, green, and blue<ref>{{Cite press release |last1=Kang |first1=Karen |url=https://www.prweb.com/releases/hagoromo-s-high-quality-chalks-still-beloved-by-many-in-this-digital-world-802164910.html |title=Hagoromo's High Quality Chalks, Still Beloved by Many in this Digital World |date=2019-04-19 |publisher=[[PRWeb]] |language=en-US |access-date=2020-08-31}}</ref>
* Fulltouch New Poly: [[gypsum]] chalk, sometimes known as [[plaster]] chalk
* Fulltouch New Poly: [[gypsum]] chalk, sometimes known as [[plaster]] chalk
* Fulltouch Luminous Color Chalk: gypsum chalk
* Fulltouch Luminous Color Chalk: gypsum chalk

Latest revision as of 18:09, 3 December 2024

Boxes of Hagoromo Fulltouch Chalk, produced by Hagoromo Bungu

Hagoromo Fulltouch Chalk (Japanese: 羽衣フルタッチチョーク, Korean: 하고로모 풀터치 분필) is a South Korean-owned brand of chalk for blackboards, originally produced by Japanese company Hagoromo Bungu (羽衣文具).

Production of the chalk began in 1932. It reached its peak sales of 90 million pieces of chalk a year in 1990, and started to achieve international popularity from the 2000s. The chalk has found particular favor among mathematicians, and has been described as the "Rolls-Royce of chalk".[1]

By 2014, Hagoromo Bungu's chief, Watanabe Takayasu, had not chosen a successor and declined offers from several Japanese companies to continue the brand. He ultimately decided to close the company. However, Shin Hyung Seok, the founder of Sejong Mall (세종몰) and the exclusive importer of Hagoromo chalk to South Korea since 2009, had a strong relationship with Watanabe. Shin was granted permission to continue production, receiving both the knowledge and equipment necessary for manufacturing.[2] Since 2015, Sejong Mall has been producing the brand.[3]

History

[edit]

Hagoromo Bungu

[edit]
Hagoromo Bungu Co., Ltd
IndustryOffice supplies
FoundedOctober 1932; 92 years ago (1932-10)
DefunctMarch 2015; 9 years ago (2015-03)
FateAcquired by Sejongmall
Headquarters
Kasugai, Aichi
,
Japan
ProductsBlackboard chalk

Hagoromo Bungu was founded in October 1932 as Nihon Chalk Seizosho. The original factory was located in Naka-ku, Nagoya, but was destroyed in August 1944 during World War II. The company was re-established in 1947 and renamed to Hagoromo Bungu. A factory in the nearby city of Kasugai was completed in 1961, and the offices moved there in 1992.[4]

The company sold over 90 million pieces of chalk a year at its peak in 1990 and held a 30% share of the domestic market, according to Tokyo Shoko Research.[5]

Establishment of Sejong Mall

[edit]
SEJONGMALL
Native name
(주)세종몰
IndustryStationery manufacturing
Founded2009 (2009)
Headquarters
Pocheon
,
South Korea
BrandsHagoromo Fulltouch Chalk
OwnerShin Hyun Seok
Websiteen.sejongmall.co.kr (in English)

In 2003, South Korean hagwon math teacher Shin Hyung Seok (신형석) visited Japan to learn about their cram school systems. During this trip, he encountered Hagoromo chalk for the first time.[6][7] He immediately became a fan of the brand.[6] When he returned to Korea with boxes of the fluorescent colored Hagoromo chalk variants, students praised the colors as easily legible. Upon running out of Hagoromo chalk, he searched to see if any businesses in South Korea imported the brand, and was disappointed to learn that none did.[6][8][7] He also asked if any manufacturers were willing to make fluorescent chalk colors, and all reportedly refused, with some claiming that there wasn't a market for such colors and high-end chalk brands.[7]

In 2006, Shin reached out to Hagoromo Bungu's president, Watanabe Takayasu.[6][9] Coincidentally, Watanabe's second daughter was able to serve as a translator; she was fluent in Korean and had previously studied abroad in South Korea.[9][10][3] She reportedly visited South Korea multiple times a year with her father because she enjoyed South Korean cuisine.[7][3] Shin received approval to operate as the exclusive importer of Hagoromo products to South Korea; this resulted in the creation of Sejong Mall in 2009.[9] The two reportedly quickly built a positive rapport.[10] Hagoromo quickly became successful in South Korea; at some point reportedly around 80–90% of instructors at hagwons adopted the brand.[7]

Closure of Hagoromo Bungu and succession

[edit]

In October 2014, company president Watanabe Takayasu released a statement announcing the company would stop chalk production in February 2015 and sales in March 2015.[5][11][12] Watanabe, Watanabe Ryuzo's successor, mentioned reasons for the closure included the fact that "blackboards are no longer the norm in classrooms" and that "the number of students is also on the wane".[11] Watanabe also cited his declining health due to stomach cancer as a major reason for the closure.[13][9] The announcement to cease business led to the mass buying, hoarding, and reselling of chalk among its fanbase.[13][14][15] By June 2015, Watanabe reported that production continued for a month longer than originally planned and finally ended on 31 March 2015.[13]

Hagoromo Bungu had been owned for three generations by the same family, but by 2014 lacked a successor.[2] None of Watanabe's three daughters, nor any of their husbands, were willing to take over the business.[2][7] Watanabe had reportedly tried sharing his equipment and recipe for the chalk with other companies, but was dissatisfied with their output quality.[9][7] Umajirushi, a Japanese blackboard manufacturer looking to expand their chalk production, bought one of the chalk production machines.[13][16] Umajirushi launched DC Chalk Deluxe (DCチョークDX),[16][17] but subsequently discontinued production in early 2020.[18]

Watanabe called Shin and informed him of his intent to close the company, and apologized for it affecting Shin's business.[9] Shin asked if Watanabe would let him continue making the chalk, but Watanabe initially refused. He warned Shin about how difficult the manufacturing industry was.[6] Eventually, Watanabe was convinced to allow it; Watanabe's daughter reportedly tearfully thanked Shin for managing to do so.[7]

In early 2015, Watanabe sold the machines to Shin for a notably low price. Each machine, valued around ₩80 million won (US$80,000), was sold for ₩1 million (US$900).[7][9] Shin imported the machines in sixteen 40-foot containers from Nagoya to Pocheon.[9][19][3] After the factory was set up, Watanabe, in a wheelchair, visited South Korea and expressed his approval at the factory. He taught Shin how to create the chalk.[7] A number of Hagoromo Bungu's Zainichi Korean employees went over as technical advisors to ensure that the manufacturing was faithful to the original.[20][10] In 2019, it was reported that the chalk imported raw materials from Japan, including sea shells, in order to promote consistency.[7] Reportedly, some people thought the new Hagoromo Fulltouch chalk was fake; Watanabe and Shin reportedly took a photo together to show that Shin had Watanabe's blessing.[20] The brand has since been evaluated by at least one mathematician as indistinguishable from the original product.[3]

To begin working as a manufacturer, Shin initially invested around ₩700 million into the business.[9] In 2016, Sejong Mall began to produce the chalk.[10][9] Their sales by year increased from ₩300 million in 2016, to ₩600 million in 2017, to ₩900 million in 2018,[9] to ₩2 billion in 2019.[20] Overseas sales improved from ₩50 million in 2016, to ₩100 million in 2017, and ₩300 million in 2018.[9] In 2019, overseas sales were around 40% of the total.[20] Sales were reportedly improved by foreign documentaries and news coverage on the Hagoromo brand and the transfer.[8][19] Sejong Mall has reportedly attempted to position the chalk as a high-end product in the market, and has made efforts to design the packaging accordingly.[20]

The handoff of the Hagoromo brand has been impacted by often-fraught Japan–South Korea relations.[7] Japanese broadcaster NHK reportedly produced a 30-minute documentary that reportedly critically described Hagoromo's hand-off as the transfer of Japanese technology to a foreign country.[7] Some South Koreans expressed disapproval of the brand, as it was originally from Japan.[7] Shin and Watanabe defended their positive relationship and expressed hope that relations between their countries will improve.[2] In January 2020, Shin visited Watanabe, and the two promised to meet again when the weather became warmer. Amidst travel restrictions in the COVID-19 pandemic,[10] Watanabe died in July that year[3] without them having met again.[10] According to Shin, Watanabe continued advising Shin on the company until his death.[6]

The Japanese Chalk Association reportedly banned imports of Hagoromo Fulltouch from South Korea for five years, with the concern that it would destabilize the market.[20] In 2017, the company began importing the brand to Vietnam. The product is also sold in Europe and America, particularly through the e-commerce website Amazon.[20] In 2020, it was reported that China was the company's largest market, followed by the United States.[20] In 2020, it was reported that the company was developing a writing product that would work on glass.[20] In 2022, it was reported that the company was developing other writing utensils, such as pens.[8]

Popularity and legacy

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Mathematician Satyan Devadoss wrote in 2010 that the Hagoromo chalk can be called "the Michael Jordan of chalk, the Rolls-Royce of chalk".[1] Several other well-known mathematicians and professors, such as Brian Conrad and David Eisenbud, also prefer the product.[16][21] When it was announced in 2015 that Hagoromo chalk would stop being produced, many professors and chalk connoisseurs began buying large quantities of the chalk.[22][23] After the succession by Sejong Mall, at least one mathematician evaluated Sejong Mall's chalk as indistinguishable from the original.[3] David Eisenbud first introduced the chalk to American mathematicians and worked to have it imported to the US; it later became available for sale on Amazon.[24]

Product variants

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Hagoromo Bungu sold the following chalk products:[5][16]

  • Fulltouch Chalk: calcium chalk
  • Fulltouch Large Chalk: calcium chalk, 2 cm in diameter and 11.3 cm in length, available in white, red, orange, yellow, green, and blue[25]
  • Fulltouch New Poly: gypsum chalk, sometimes known as plaster chalk
  • Fulltouch Luminous Color Chalk: gypsum chalk

References

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  1. ^ a b Devadoss, Satyan (2010-09-16). "Dream Chalk". Mathematics & Statistics department blog. Williams College. Archived from the original on 2020-08-22. Retrieved 2020-08-31.
  2. ^ a b c d Kim, Dahee (2019-08-11). "Japan's Hagoromo chalk continues its legacy in S. Korea". Kyodo News+. Retrieved 2024-07-28.
  3. ^ a b c d e f g Gopal, Trisha; Omanoff, Jacqueline; Chung, Evan (2020-08-22). "How a brand of chalk achieved cult status among mathematicians". CNN. Archived from the original on 2020-08-30. Retrieved 2020-08-31.
  4. ^ "会社概要" [Corporate Overview]. Hagoromo Bungu (in Japanese). Archived from the original on September 24, 2015. Retrieved September 8, 2021.
  5. ^ a b c Hongo, Jun (2014-11-20). "Chalk Maker Runs Out of Blackboard". WSJ. Retrieved 2019-05-05.
  6. ^ a b c d e f 곽, 창렬; 김, 세린 (2022-03-25). "수학을 풀다가 분필에 빠져들었다… '분필계의 롤스로이스' 아시나요". The Chosun Ilbo (in Korean). Retrieved 2024-07-28.
  7. ^ a b c d e f g h i j k l m n "[인터뷰] 일제 명품 분필 '하고로모' 인수, 한국서 생산한 학원강사 스토리". 비즈한국 (in Korean). 2019-05-16. Retrieved 2024-07-28.
  8. ^ a b c 박, 혜림 (2022-08-18). "[이슈人이슈] '하고로모 분필' 신형석 세종몰 대표". Incheon Ilbo [ko] (in Korean). Retrieved 2024-07-27.
  9. ^ a b c d e f g h i j k l Nam, Hyun-woo (2019-07-03). "Former cram school teacher keeps legacy of Hagoromo chalk". The Korea Times. Retrieved 2024-07-28.
  10. ^ a b c d e f Ogawa, Takashi (2021-03-01). "The South Korean keeping Japan's top chalk from fading out". The Asahi Shimbun. Retrieved 2024-07-27.
  11. ^ a b 廃業のご案内 [Information on business closure]. Hagoromo Bungu (in Japanese). Archived from the original on 2014-10-24. Retrieved 2019-05-05.
  12. ^ 木ノ下, めぐみ (29 June 2015). 「チョークのロールスロイス」…講師ら支えた名門業者が廃業 韓国企業が継承へ ["Rolls-Royce of Chalk" ... A prestigious company supported by instructors shuts down]. 産経West (in Japanese). The Sankei News.
  13. ^ a b c d Watanabe, Takayasu (2015-07-02). "Hagoromo president explains why he closed down his beloved chalk business". Nikkei Asia. Retrieved 2020-08-31.
  14. ^ Pascaud, May (2015-06-29). "Mathematicians mourn the loss of the 'Rolls-Royce of chalk'". Public Radio International. Retrieved 2019-05-05.
  15. ^ "Mathematicians snatch up last boxes of the "Rolls-Royce of chalk"". As It Happens. 16 June 2015. CBC.
  16. ^ a b c d Zhang, Sarah (2015-06-15). "Why Mathematicians Are Hoarding This Special Type of Japanese Chalk". Gizmodo. Retrieved 2019-05-05.
  17. ^ "Product - DC Chalk DX". Umajirushi. Archived from the original on 5 May 2019. Retrieved 2019-05-05.
  18. ^ Press release (in Japanese). https://www.uma-jirushi.co.jp/info/7895
  19. ^ a b "`딱딱` 풀리는 수학 난제...허준이 필즈상 뒤엔 이 `명품` 있었다" (in Korean). JoongAng Ilbo. 2022-07-18. Retrieved 2024-07-28 – via ZUM 뉴스.
  20. ^ a b c d e f g h i 고, 은빛 (2020-05-07). "[넥스트K] 스탠퍼드·베이징大 칠판엔 '명품 K분필'이 있다". Hankyung (in Korean). Retrieved 2024-07-28.
  21. ^ The World's Best Mathematicians Are Hoarding Chalk. Great Big Story. 2019-05-02. Retrieved 2019-05-05 – via YouTube.
  22. ^ Chung, Trisha Gopal,Jacqueline Omanoff,Evan (2020-08-22). "How a brand of chalk achieved cult status among mathematicians". CNN. Retrieved 2024-08-17.{{cite web}}: CS1 maint: multiple names: authors list (link)
  23. ^ Great Big Story (2019-05-02). Why the World’s Best Mathematicians Are Hoarding Chalk. Retrieved 2024-08-17 – via YouTube.
  24. ^ "A Rare Chalk in the World of Math: How Tools Change How We Work". DFC. 2019-05-21. Retrieved 2020-11-19.
  25. ^ Kang, Karen (2019-04-19). "Hagoromo's High Quality Chalks, Still Beloved by Many in this Digital World" (Press release). PRWeb. Retrieved 2020-08-31.
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