Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165812 | Gallium nitride compound semiconductor light emitting device and process for producing gallium nitride compound semiconductor | Akihiko Ishibashi, Yuuzaburou Ban, Nobuyuki Uemura, Masahiro Kume, Isao Kidoguchi | 2000-12-26 |
| 5923690 | Semiconductor laser device | Masahiro Kume, Yuuzaburou Ban, Akihiko Ishibashi, Nobuyuki Uemura, Isao Kidoguchi | 1999-07-13 |