TOP
Library
Library
A 10-Minute Synopsis of the 2025 Integrated Report
HOYA REPORT 2025
11-year Financial Data
HOYA ESG Databook
Other Data
IFRS Report
List of Policies and Regulations, etc.
Sustainability Policy
Environmental Philosophy & Policy
List of ISO certified sites
Product safety assurance policy
Corporate Governance Guidelines
Corporate Governance Report
HOYA Code of Conduct (27 languages)
Supplier Code of Conduct (English/Chinese/Thai/Vietnamese/Korean)
Anti-Bribery and Anti-Corruption policy
HOYA Group Human Rights Policy
