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The late Honorary Chairman, Shozo Akazawa, conducted pharmaceutical research as a research student at Osaka University Faculty of Pharmacy
創業 1952年（昭和27年）
Conducted research and production of chlorinated compounds and started manufacturing fatty acid chlorides
Established Teikoku Pharmaceutical Co., Ltd. Osaka Factory in Yodogawa-ku, Osaka City, with a capital of 2,000 thousand yen, and founded Fuso Chemical Industry Co., Ltd.
設立 1957年6月24日（昭和32年）
Started manufacturing food additive "Malic Acid"
Established Kanzaki River Factory in Osaka City
Started manufacturing isobutylene derivatives "PTBBA" using air oxidation
Developed and started exporting the overseas market for malic acid
Recognized as an export contribution company and received an award from the Minister of International Trade and Industry
Completed research building at Kanzaki River Factory
Relocated headquarters to the current Shin-Osaka business office
Completed the first phase of the Sakai Factory (large-scale malic acid manufacturing plant)
Succeeded in developing and manufacturing "Malic Acid Salt" as a malic acid derivative; succeeded in manufacturing FDA-standard malic acid and started stable production of high-purity malic acid
Established Osaka Sales Office (current headquarters); set up a research laboratory within the sales department to start developing new products
Succeeded in developing and manufacturing "Malic Acid Sodium" as a malic acid derivative
Established Tokyo Branch Office
Sold "W Clean," a seaweed removal agent for seaweed farming industry
Application development technology of malic acid derivatives highly evaluated, received the Prime Minister's Award of the Science and Technology Agency ・Fukuchiyama Factory Phase 1 construction (PTBBA large-scale manufacturing plant) completed
Started refining "citric acid"
Full-scale sales of "sodium citrate" started ・Ultra-high purity "colloidal silica" adopted as the main raw material for the final polishing slurry of silicon wafers in the semiconductor industry
Relocated headquarters to Koamibashi, Chuo-ku, Osaka ・Abolished Osaka sales office ・Established Fusō Kōsan Co., Ltd. (now Fusō Corporation)
Established Fukuoka sales office
Established Aoshima Fusō Refining and Processing Co., Ltd.
Established Aoshima Fusō Trading Co., Ltd.
Renamed Tokyo sales office to Tokyo branch, Fukuchiyama factory to Kyoto factory (now Kyoto First Factory), Sakai factory to Osaka factory ・Listed shares on the Jasdaq market
Started manufacturing and selling gluconic acid through acquisition of PMP Co., Ltd.
Established Aoshima Fusō Second Refining and Processing Co., Ltd. (now Fusō Chemical (Qingdao) Co., Ltd.) ・Acquired all shares of domestic chemical products business from Fujisawa Pharmaceutical Co., Ltd. (now Astellas Pharma Inc.) and the U.S. subsidiary "PMP Fermentation Products Incorporated"
Completed Phase 1 construction (warehouse) of Kyoto Second Factory ・Established Shanghai branch of Aoshima Fusō Refining and Processing Co., Ltd.
Enhanced electronic material manufacturing equipment at Kyoto First Factory
Relocated Tokyo branch to Nihonbashi Honcho
Completed electronic material manufacturing equipment at Kyoto Second Factory
Established FUSO (THAILAND) CO., LTD. ・Established Marine Chemical Co., Ltd. as a subsidiary of Fusō Corporation
Reorganized Tokyo branch and established Tokyo headquarters
Constructed new factory for FUSO (THAILAND) CO., LTD. ・Relocated Tokyo headquarters to current location
Opened Tokyo Research Institute in Kanagawa Science Park (KSP), Kawasaki City, Kanagawa Prefecture
Succeeded organic acid business from Mitsui Chemicals Inc., started sales of anhydrous maleic acid and fumaric acid
Selected for "Global Niche Top Companies 100" by the Ministry of Economy, Trade and Industry
Listed on the First Section of the Tokyo Stock Exchange
Established Kashima Business Office in Kamisu City, Ibaraki Prefecture
Transitioned to a company with an Audit & Supervisory Committee; Excluded the company from the consolidated subsidiaries by transferring all shares of Marine Chemistry Co., Ltd.
Launched Coating Fruit Acid (Coating Fruit Acid M, Coating Fruit Acid C, Coating Fruit Acid V)
Revised market classification and transitioned from the First Section of the Tokyo Stock Exchange to the Prime Market; Established Kobe Research Institute within Kobe Medical Device Development Center
Completion of ultra-high purity colloidal silica manufacturing equipment at Kashima Business Office
Relocated headquarters to its current location
Fusō Chemical Industries Co., Ltd. will exhibit at the Food Development Expo 2026, held at Tokyo Big Sight from October 14-16, 2026. The booth number is 1-042, where we will showcase technologies related to food development, including improving food quality using organic acids and solving shelf‑life challenges.
Fuso Chemical received Kurumin certification from the Ministry of Health, Labour and Welfare on September 9, 2026, recognizing it as a company that supports childcare. The certification recognizes its efforts to help employees balance work and parenting. The company will continue to create a supportive workplace.
Fuso Chemical established a safety pledge on September 1, 2026. The company aims to build a strong safety culture, prevent accidents and disasters, and remain a company trusted by its stakeholders.
Fuso Chemical Co., Ltd. has established a safety pledge and announced its commitment to building a safety culture and preventing accidents and disasters. The company will continue initiatives based on the pledge to maintain the trust of its stakeholders.
Fuso Chemical donated 5 million yen through the Japanese Red Cross Society to support people affected by the 2026 Kumamoto earthquake and assist the recovery of affected communities. The company expressed its condolences and sympathy and wishes for a swift recovery.
Fuso Chemical donated JPY 5 million through the Japanese Red Cross Society to support people affected by the 2026 Kumamoto earthquake. The company hopes for a swift recovery in the affected areas.
We have published introduction content of the Kyoto office, Kashima office, and Osaka factory on the career recruitment information page. Through interviews with office and factory managers, we introduce the values we cherish in organizational building and our approach to talent development. Additionally, employees who joined through career recruitment share their own words about the satisfaction of their work, the workplace atmosphere, and life in the region.
As part of its career recruitment efforts, Fuso Chemical Co., Ltd. has published a page introducing its production sites.
Fuso Chemical held a parent-child science workshop hosted by Orange Page on August 1, 2026. Through quizzes and experiments, participants learned about the characteristics and effects of products used in food. The company plans to continue such activities and promote engagement with local communities and children.
On August 1, 2026, a science workshop for parents and children was held under the sponsorship of Orange Page Co., Ltd. Participants learned about the features and effects of our products through quizzes and experiments. We plan to continue such activities to deepen understanding of our company and products.