- Business
- Konoshima Chemical Co., Ltd. Konoshima Chemical Co., Ltd. (4026.T) manufactures and sells non-combustible building materials, industrial chemicals, and advanced ceramics. The company produces residential and non-residential ceramic siding, eaves, gables, interior decorative panels, fire-resistant panels, and calcium silicate boards; high-purity magnesium oxide, flame-retardant magnesium hydroxide, magnesium carbonate, magnesium chloride, calcium carbonate, synthetic magnesite (MAGTHERMO), and synthetic hematite (ALCUBE); and highly functional ceramics including transparent YAG ceramics for lasers, with applications in industrial, food, pharmaceutical, and high-tech sectors. Konoshima Chemical operates primarily in Japan, with chemical products serving global markets in the US, Europe, China, and Asia.
Founded in June 1917 in Okayama, Japan, and formally established in March 1946, the company maintains headquarters at 6F, JEI Nishihonmachi Bldg., 1-3-15 Awaza, Nishi-ku, Osaka, Japan.
Recent developments include advancing CO2 recycling technology by integrating carbonization processes from its chemicals division into building materials production, fostering synergy across business units; pursuing digital transformation, automation, and AI integration to address labor shortages; exploring global production shifts and partnerships such as joint ventures or technical OEM agreements for magnesium compounds; and receiving a letter of thanks from JAXA in July 2024 for its GLF cold storage material contribution to the XRISM mission.