|TOKYO OHKA KOGYO AMERICA, INC.
||Manufacture and sales of photoresists and high-purity chemical agents used mainly in photolithography processes in the field of semiconductors
|TOK TAIWAN CO., LTD.
||Manufacture and sales of high-purity chemical agents used mainly in photolithography processes in the fields of semiconductors, flat panel displays and package modules, and sales equipment used in the fiel
|TOK ADVANCED MATERIALS CO., LTD.
||Developments, Manufactures, and sales of photoresists for semiconductors and photoresist-related high-purity chemicals
|TOK CHINA CO., LTD.
||Sales of photoresists for semiconductor and LCD, and photoresist-related high-purity chemicals in CHINA