Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456640 | Gallium nitride type semiconductor laser device | — | 2002-09-24 |
| 6377597 | Gallium nitride semiconductor light emitting element with active layer having multiplex quantum well structure and semiconductor laser light source device | — | 2002-04-23 |
| 6370176 | Gallium nitride group semiconductor laser device and optical pickup apparatus | — | 2002-04-09 |