Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8189640 | Laser light emitting device | Kuniyoshi Okamoto, Hiroaki Ohta | 2012-05-29 |
| 8013356 | Semiconductor light emitting device | Kuniyoshi Okamoto | 2011-09-06 |
| 7869482 | Semiconductor laser device | Masashi Kubota, Kuniyoshi Okamoto | 2011-01-11 |