Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603146 | Gallium nitride group compound semiconductor light-emitting device | Toshio Hata, Taiji Morimoto, Takeshi Kamikawa | 2003-08-05 |
| 6555847 | Nitride based semiconductor light emitting element | Toshio Hata, Mayuko Fudeta, Masaki Tatsumi | 2003-04-29 |