Issued Patents All Time
Showing 76–82 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7884351 | Nitride semiconductor light-emitting device | Takashi Kyono, Katsushi Akita | 2011-02-08 |
| 7879636 | Method of forming p-type gallium nitride based semiconductor, method of forming nitride semiconductor device, and method of forming epitaxial wafer | Masaki Ueno, Takao Nakamura | 2011-02-01 |
| 7873088 | Group III nitride semiconductor element and epitaxial wafer | Yohei Enya, Masaki Ueno, Fumitake Nakanishi | 2011-01-18 |
| 7858963 | Nitride based semiconductor optical device, epitaxial wafer for nitride based semiconductor optical device, and method of fabricating semiconductor light-emitting device | Masaki Ueno, Yohei Enya, Takashi Kyono, Katsushi Akita, Takamichi Sumitomo +1 more | 2010-12-28 |
| 7851243 | Nitride based semiconductor optical device, epitaxial wafer for nitride based semiconductor optical device, and method of fabricating semiconductor light-emitting device | Masaki Ueno, Yohei Enya, Takashi Kyono, Katsushi Akita, Takamichi Sumitomo +1 more | 2010-12-14 |
| 7851821 | Group III nitride semiconductor device, epitaxial substrate, and method of fabricating group III nitride semiconductor device | Takashi Kyono, Yohei Enya, Katsushi Akita, Masaki Ueno, Takamichi Sumitomo +1 more | 2010-12-14 |
| 7547910 | Semiconductor light-emitting device and method of manufacturing semiconductor light-emitting device | Katsushi Akita, Takashi Kyono, Hiroyuki Kitabayashi, Koji Katayama | 2009-06-16 |