TOKYO OHKA KOGYO CO., LTD. (TOK) provides chemical products, such as photoresist, and equipment for semiconductors and displays.

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Corporate Information

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


TOK fosters a strong spirit of compliance with the law, Company rules and regulations and social norms in all corporate activities, on the part of each and every one of its management executives and employees.

System to Promote Compliance

We recognize that maintaining relationships of trust with all our stakeholders is the foundation for the sustainable development of a company that can coexist with the society. As such, we are putting effort into enhancing our compliance system. Led by the Compliance Committee, we carry out company-wide activities to promote compliance. These activities include providing education and raising awareness of compliance in each department.


CSR policy

TOK Group contributes to achieving a sustainable society by practicing its management philosophies since its founding: “Create a frank and open-minded business culture”, “Continue efforts to enhance our technology”, “Raise the quality levels of our products” and “Contribute to society” through its beneficial business activities.

  • Increases the sustainable corporate value as a whole group by improving employee engagement.
  • Continues to provide high-value-added products that contribute to technological innovations in order to resolve social issues.
  • Strives to grow together with society and remain as an attractive company that earns the trust of all stakeholders.

Find out more about TOK's CSR policy

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