- Business
- JSR Corporation develops and manufactures advanced materials for semiconductors, displays, life sciences, and plastics. The company produces semiconductor materials including lithography materials such as photoresists and underlayers, chemical mechanical planarization slurries and cleaning solutions, and advanced packaging materials; display materials encompassing LCD panel materials and functional coatings as well as next-generation OLED materials; optical solutions featuring heat-resistant transparent resins and films, high-performance UV curable resins, and stereolithography systems; life sciences products and services comprising bioprocess materials like Protein A affinity chromatography resins including Amsphere A3 and A+, contract development and manufacturing organization services, contract research organization services, diagnostic reagents, and drug discovery support; and plastics such as ABS, AES, AS, and ASA resins for automotive parts, appliances, and building materials; alongside other offerings like Holter ECG monitoring services and emulsions. Founded in 1957 as Japan Synthetic Rubber Co., Ltd. and headquartered in Tokyo, Japan, JSR operates globally across Asia, Europe, and North America, serving electronics, automotive, pharmaceutical, and biotechnology sectors. In recent developments, JSR completed the acquisition of Yamanaka Hutech Corporation in August 2024 to expand its high-purity chemicals and semiconductor film-forming technologies; entered a cross-licensing and collaboration agreement with Lam Research and Inpria in September 2025 for advanced EUV resists and etching solutions; announced in October 2025 the sale of its chromatography business including Amsphere resins to MilliporeSigma; transferred its in vitro diagnostic business including Medical & Biological Laboratories and JSR Life Sciences to Tokuyama Corporation in 2025; merged with parent JICC-02 Ltd. in 2024 leading to delisting from the Tokyo Stock Exchange; and launched Amsphere A+ Protein A resin in September 2024 while forming alliances such as with Metagen Therapeutics for microbiome drug manufacturing.