Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537839 | Nitride semiconductor light emitting device and manufacturing method thereof | Hiroyuki Ota, Hirokazu Takahashi | 2003-03-25 |
| 6515311 | Gallium nitride based semiconductor light emitting device | Kiyofumi Chikuma | 2003-02-04 |