- April 10, 2013
- Notice on Suspension of Business at an Overseas Consolidated Sales Subsidiary
- August 8, 2012
- Notice of Improper Accounting by an Overseas Consolidated Subsidiary and Postponement of Q1 Financial Results Announcement
- June 1, 2012
- Technical Journal -- "OKI Technical Review (Current Issue: OKI aims Smart Society)" -- is updated.


