Corporate Information

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.

Corporate outline and business details are posted.

Our history of the development and progress of precision processing technologies based on photolithography.

Introduction of the board of directors, corporate auditors, and officers.

Organization chart can be seen.

We have positioned the corporate governance as one of our most important management issues.

Introduction of subsidiaries in Japan and overseas.

Access map to offices in Japan can be seen.