- April 2, 2012
- President's message updated.
- March 29, 2012
- Add ISO14001 Mark.
- February 15, 2012
- LED Head achieved an approx. 70% share of the international market by practical application.(The Nikkei, Kitakantou edition)
- September 12, 2011
- Page for Transition in Maximum Power Usage Ratio was deleted.
- August 26, 2011
- Update Limo. Bus stop location and Time table.
- August 17, 2011
- OKI contributed to the research in the advanced plant factory at Tokyo University of Agriculture and Technology by its LED light source device.
- August 10, 2011
- OKI Digital Imaging is in action of reducing the maximum power usage.
- July 26, 2011
- OKI Digital Imaging Limo. Bus stop returned to its normal position.
- June 14, 2011
- Update Limo. Bus stop location.
- June 1, 2011
- Update Limo. Bus Time table.
