Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7154921 | Light emitting element driving circuit, communication device and light emitting element driving method | Shojiro Kitamura, Tsugio Ide | 2006-12-26 |
| 7113658 | Optical module, and optical transmission device | Tsugio Ide | 2006-09-26 |