Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7633983 | Semiconductor laser device | Takeshi Kamikawa | 2009-12-15 |
| 7573446 | Method and device for driving LED element, illumination apparatus, and display apparatus | Shigetoshi Ito | 2009-08-11 |