Introduction of TOKYO OHKA KOGYO CO., LTD. (TOK),
such as corporate outline, our history, and governance.
President Noriaki Taneichi delivers a message about our management principles and management policy.
Our offices and sites in Japan and overseas provide TOK's microprocess technology to our customers.
View the Corporate Presentation video in English, Chinese, Korean, and Japanese.
Our history of the development and progress of precision processing technologies based on photolithography.More Information
Introduction of the board of directors, corporate auditors, and officers.More Information
We have positioned the corporate governance as one of our most important management issues.More Information