Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9837494 | Production method for group III nitride semiconductor and group III nitride semiconductor | Koji Okuno, Naoki Shibata, Hiroshi Amano | 2017-12-05 |
| 9214339 | Method for producing group III nitride semiconductor | Koji Okuno, Naoki Shibata, Hiroshi Amano | 2015-12-15 |
| 9209021 | Method for producing Group III nitride semiconductor and Group III nitride semiconductor | Koji Okuno, Naoki Shibata, Hiroshi Amano | 2015-12-08 |
| 9190268 | Method for producing Ga-containing group III nitride semiconductor | Koji Okuno, Naoki Shibata, Hiroshi Amano | 2015-11-17 |
| 7078738 | Light-emitting device | Mitsuhiro Nawashiro, Satoshi Inagaki, Yasumasa Tatewaki, Hisao Yamaguchi | 2006-07-18 |
| 6727518 | Light emitting device using group III nitride compound semiconductor | Toshiya Uemura | 2004-04-27 |
| 6570186 | Light emitting device using group III nitride compound semiconductor | Toshiya Uemura | 2003-05-27 |
| 6335212 | Method of fabricating a semiconductor light-emitting element | Toshiya Uemura | 2002-01-01 |
| 5652438 | Light-emitting semiconductor device using group III nitride compound | Michinari Sassa, Makoto Tamaki, Masayoshi Koike, Naoki Shibata, Masami Yamada | 1997-07-29 |