HOYA as
an Investment
Highlights of
the Year
Milestones in
Our Growth
Message from
Senior Management
HOYA
Value Creation
ESG
Reporting
Review of
Operations
Library
Japanese
PDF Download
HOYA Corporate site
Library
11-year Financial Data
Download (XSLSX: 28KB)
HOYA ESG Databook
Download （PDF: 165KB)
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
