Tokyo Ohka Kogyo Co Ltd
Tokyo Ohka Kogyo Co., Ltd. (TOK) is a leading Japanese manufacturer specializing in the production of chemical materials used in the semiconductor and electronics industries. Founded in 1940, the company operates primarily in the sectors of photoresists, electronic materials, and specialty chemicals. TOK's core products include advanced photoresists for lithography processes, as well as various chemical solutions that cater to the needs of semiconductor fabrication and other electronic component manufacturing. The company is recognized for its commitment to innovation and quality, aiming to support the advancement of technology in the electronics sector.