Issued Patents All Time
Showing 51–75 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8228963 | Gallium nitride-based semiconductor optical device, method of fabricating gallium nitride-based semiconductor optical device, and epitaxial wafer | Yohei Enya, Yusuke Yoshizumi, Hideki Osada, Keiji Ishibashi, Masaki Ueno | 2012-07-24 |
| 8207544 | Group-III nitride semiconductor device, epitaxial substrate, and method of fabricating group-III nitride semiconductor device | Yohei Enya, Yusuke Yoshizumi, Takashi Kyono, Takamichi Sumitomo, Masaki Ueno +1 more | 2012-06-26 |
| 8207556 | Group III nitride semiconductor device and epitaxial substrate | Takashi Kyono, Yusuke Yoshizumi, Yohei Enya, Masaki Ueno, Takamichi Sumitomo +1 more | 2012-06-26 |
| 8198623 | Photodiode array, method for manufacturing photodiode array, epitaxial wafer, and method for manufacturing epitaxial wafer | Takashi Ishizuka, Kei Fujii, Youichi Nagai, Hideaki Nakahata | 2012-06-12 |
| 8183071 | Method for producing nitride semiconductor optical device and epitaxial wafer | Yohei Enya, Takashi Kyono, Takamichi Sumitomo, Yusuke Yoshizumi, Masaki Ueno +1 more | 2012-05-22 |
| 8148751 | Group III nitride semiconductor wafer and group III nitride semiconductor device | Shin Hashimoto, Tatsuya Tanabe, Hideaki Nakahata, Hiroshi Amano | 2012-04-03 |
| 8143140 | Substrate having thin film of GaN joined thereon and method of fabricating the same, and a GaN-based semiconductor device and method of fabricating the same | Hitoshi Kasai, Akihiro Hachigo, Yoshiki Miura | 2012-03-27 |
| 8071986 | Nitride semiconductor light-emitting element | Takashi Kyono, Hideki Hirayama | 2011-12-06 |
| 8067257 | 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, Yusuke Yoshizumi, Takamichi Sumitomo +1 more | 2011-11-29 |
| 8053806 | Group III nitride semiconductor device and epitaxial substrate | Takashi Kyono, Yusuke Yoshizumi, Yohei Enya, Masaki Ueno, Takamichi Sumitomo +1 more | 2011-11-08 |
| 8048702 | Method of fabricating nitride-based semiconductor optical device | Yohei Enya, Yusuke Yoshizumi, Masaki Ueno, Takashi Kyono | 2011-11-01 |
| 7973322 | Nitride semiconductor light emitting device and method for forming the same | Takashi Kyono, Keiji Ishibashi, Hitoshi Kasai | 2011-07-05 |
| 7968864 | Group-III nitride light-emitting device | Hitoshi Kasai, Takashi Kyono, Kensaku Motoki | 2011-06-28 |
| 7955881 | Method of fabricating quantum well structure | Takamichi Sumitomo, Yohei Enya, Takashi Kyono, Masaki Ueno | 2011-06-07 |
| 7949026 | Group III nitride semiconductor laser | Takashi Kyono, Yusuke Yoshizumi | 2011-05-24 |
| 7943943 | Light-emitting device and manufacturing method thereof | Hideki Hirayama, Takao Nakamura | 2011-05-17 |
| 7939354 | Method of fabricating nitride semiconductor laser | Takashi Kyono, Yusuke Yoshizumi | 2011-05-10 |
| 7933303 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Yohei Enya, Takashi Kyono, Masahiro Adachi, Masaki Ueno +5 more | 2011-04-26 |
| 7915635 | Semiconductor light-emitting element and substrate used in formation of the same | Hitoshi Kasai, Yoshiki Miura, Kensaku Motoki | 2011-03-29 |
| 7884351 | Nitride semiconductor light-emitting device | Takashi Kyono, Yusuke Yoshizumi | 2011-02-08 |
| 7859007 | Light-emitting device and manufacturing method thereof | Hideki Hirayama, Takao Nakamura | 2010-12-28 |
| 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, Yusuke Yoshizumi, 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, Yusuke Yoshizumi, 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, Yusuke Yoshizumi, Yohei Enya, Masaki Ueno, Takamichi Sumitomo +1 more | 2010-12-14 |
| 7816238 | GaN substrate, substrate with epitaxial layer, semiconductor device, and method of manufacturing GaN substrate | Hideki Osada, Hitoshi Kasai, Keiji Ishibashi, Seiji Nakahata, Takashi Kyono +1 more | 2010-10-19 |