History

1916	Founded Hashimoto Shokodo Pharmaceutical Plant in Sakai City, Osaka, and started manufacturing hydrosulfate.
1930	Started manufacturing fluorine compounds.
1934	Established general partnership, Hashimoto Pharmaceutical Plant.
1944	Established Hashimoto Chemical Industrial Co., Ltd. (Sakai City, Osaka)
1945	Resumed manufacturing copper sulfate in Shorinji Factory. (Sakai City, Osaka)
1956	Resumed the operation at Sanpo Factory (Sakai City, Osaka) and additionally built production facility for hydrofluoric acid.
1961	Additionally built production facilities for hydrofluoric acid, aluminum fluoride and other fluoride products.
1963	Succeeded in industrialization of borontrifluoride gas in Japan.
1970	Established Izumi Factory. (Izumiotsu City, Osaka)
1971	Completed production facility for dry aluminum fluoride in Sanpo Factory.
1973	Moved and merged the facilities in Shorinji Factory with Izumi Factory.
1984	Completed cleaning plant (PAS-I) for high purity hydrofluoric acid used for semiconductors in Sanpo Factory.
1990	Moved the head office to Nishi-ku in Osaka City, Osaka. Changed the company name to HASHIMOTO CHEMICAL CORPORATION Completed cleaning plant (PAS-II) for ultra high purity hydrofluoric acid used for semiconductors in Sanpo Factory.
1991	Separated the Transportation Department and established BLUE EXPRESS, INC. 100% owned affiliated company.
1992	Stopped manufacturing aluminum alloy.
1994	Established joint company, FECT CO., LTD.. in South Korea.
1996	Completed new plant for lithium hexafluorophosphate in Izumi Factory.
1997	New administrative office and laboratory were established in Sanpo Factory. Changed the company name to STELLA CHEMIFA CORPORATION.
1999	Completed cleaning plant (PAS-III) for ultra high purity hydrofluoric acid used for semiconductors in Sanpo Factory. Moved the head office to Awaji-Machi Chuo-ku in Osaka City, Osaka. Listed on the second section of Osaka Securities Exchange.
2000	Listed on the first section of Tokyo Stock Exchange and Osaka Securities Exchange.
2001	Established a wholly owned subsidiary company in Singapore, STELLA CHEMIFA SINGAPORE PTE LTD.
2002	Established ZHEJIANG BLUE STAR CHEMICAL CO., LTD. in China.
2006	Expanded Sanpo Factory.
2007	Established a wholly owned subsidiary company, STELLA PHARMA CORPORATION. Medical business went into full scale operation. Completed cleaning plant (PAS-IV) for ultra high purity hydrofluoric acid used for semiconductors in Sanpo Factory.
2008	Established STELLA GREEN CORPORATION, wholly owned subsidiary company.
2009	Acquired ARISE CORPORATE CORPORATION. (became wholly owned)
2010	Established a wholly owned affiliated company, COSME DE STELLA CORPORATION to which STELLA PHARMA CORPORATION transferred the cosmetic business.
2012	Expansion plant for lithium hexafluorophosphate in Izumi Factory.
2014	Established Kitakyushu Factory. (Yahatanishi-ku, Kitakyushu City, Fukuoka)
2015	Established QUZHOU BDX NEW CHEMICAL MATERIALS CO., LTD. in China.
2016	Converted to a company with an Audit and Supervisory Committee.
2018	Moved the head office to Fushimi-Machi Chuo-Ku in Osaka City, Osaka.
2021	STELLA PHARMA CORPORATION. listed on Tokyo Stock Exchange Mothers. Dissolved the joint venture, FECT CO.,LTD..(Tranferred all stock holdings)
2022	STELLA PHARMA CORPORATION. changed from a consolidated subsidiary to an equity-method affiliate. Moved from the first section to Prime Market due to a review of the market classification of Tokyo Stock Exchange.
2023	Completed Next Generation Materials Research Lab in Sanpo Factory.