Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067257 | Nitride based semiconductor optical device, epitaxial wafer for nitride based semiconductor optical device, and method of fabricating semiconductor light-emitting device | Masaki Ueno, Takashi Kyono, Katsushi Akita, Yusuke Yoshizumi, Takamichi Sumitomo +1 more | 2011-11-29 |
| 8053806 | Group III nitride semiconductor device and epitaxial substrate | Takashi Kyono, Yusuke Yoshizumi, Katsushi Akita, Masaki Ueno, Takamichi Sumitomo +1 more | 2011-11-08 |
| 8048702 | Method of fabricating nitride-based semiconductor optical device | Yusuke Yoshizumi, Masaki Ueno, Takashi Kyono, Katsushi Akita | 2011-11-01 |
| 7955881 | Method of fabricating quantum well structure | Katsushi Akita, Takamichi Sumitomo, Takashi Kyono, Masaki Ueno | 2011-06-07 |
| 7933303 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Takashi Kyono, Masahiro Adachi, Katsushi Akita, Masaki Ueno +5 more | 2011-04-26 |
| 7873088 | Group III nitride semiconductor element and epitaxial wafer | Yusuke Yoshizumi, Masaki Ueno, Fumitake Nakanishi | 2011-01-18 |