• Code of Conduct reflects our values and guides all employees including directors and officers of HOYA Group in conducting business the right way.
  • Code of Conduct presents our responsibilities in a way that is easy to understand and follow.
  • Code of Conduct aims to provide a solid foundation on which you can make good decisions while conducting everyday business.
  • Code of Conduct is available in the following languages here.

This browser will not be covered by the display operation guarantee.
To view the HOYA site, please switch to a supported browser.
After 2022, the browsers recommended for viewing and operation on Windows 10 are as follows.

Please contact the browser provider for download and installation methods.