Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470122 | Optical coherence reduction method and device, illuminating method and system | — | 2002-10-22 |
| 6465810 | Semiconductor light emitting device and its manufacturing method | Hitoshi Tamada | 2002-10-15 |