Toyo Gosei Co., Ltd.

Toyo Gosei Co., Ltd. manufactures and sells photosensitive materials and polymer products, primarily in Japan. Its offerings include negative and positive photosensitive materials, chemically amplified photoacid generators for semiconductor microfabrication, and acrylic polymers for resists. The company also provides chemical products such as alcohols, aldehydes, acids, ketones, esters, ethers, hydrocarbons, and nitrogen compounds, as well as logistics services including shipping systems, chemical transport, and storage equipment. Formerly known as Nihon Acetylene Chemical Engineering Co., Ltd., it changed its name to Toyo Gosei Co., Ltd. in May 1961, was incorporated in 1954, and is headquartered in Tokyo, Japan.