Tokyo Ohka Kogyo Co., Ltd., together with its subsidiaries, manufactures and sells chemical products and process equipment in Japan and internationally. The company offers optimal photoresists and photolithography relative chemicals; and coating, developing, vacuum UV hardening, and chemical supply machines. It also provides adhesive materials, thinners for the removing of adhesive materials, structure materials, surface modification materials, micro processing films, thin film mmWave absorbers, polyimide films, and zero Newton bonding and debonding machines for 3D semiconductor packaging. The company's products are used in the production of semiconductor devices, mobile devices, tablets, personal computers, wearable devices, servers, supercomputers, game consoles, MEMS and image sensors, IoT, AI autonomous vehicles, ADAS, robotics, renewable energy equipment, eco-cars, panel manufacturing, televisions, and various displays. In addition, it offers insurance agency services. The company was incorporated in 1940 and is headquartered in Kawasaki, Japan.