Issued Patents All Time
Showing 76–100 of 197 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8445925 | Semiconductor optical device | Takahisa YOSHIDA, Yohei Enya, Takashi Kyono | 2013-05-21 |
| 8441034 | Gallium nitride semiconductor substrate with semiconductor film formed therein | — | 2013-05-14 |
| 8420419 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Shimpei Takagi, Yusuke Yoshizumi, Koji Katayama, Takatoshi Ikegami | 2013-04-16 |
| 8415707 | Group III nitride semiconductor device | Shinji Tokuyama, Masahiro Adachi, Takashi Kyono, Takamichi Sumitomo, Koji Katayama +1 more | 2013-04-09 |
| 8405066 | Nitride-based semiconductor light-emitting device | Takashi Kyono, Yohei Enya, Yusuke Yoshizumi, Katsushi Akita, Takamichi Sumitomo | 2013-03-26 |
| 8401048 | Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device | Shimpei Takagi, Yusuke Yoshizumi, Koji Katayama, Takatoshi Ikegami | 2013-03-19 |
| 8391327 | Group III nitride semiconductor element and epitaxial wafer | Yusuke Yoshizumi, Yohei Enya, Fumitake Nakanishi | 2013-03-05 |
| 8389312 | Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Shimpei Takagi, Takatoshi Ikegami, Koji Katayama | 2013-03-05 |
| 8361885 | Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and method of estimating damage from formation of scribe groove | Yusuke Yoshizumi, Shimpei Takagi, Takatoshi Ikegami, Koji Katayama | 2013-01-29 |
| 8357946 | Nitride semiconductor light emitting device, epitaxial substrate, and method for fabricating nitride semiconductor light emitting device | Takashi Kyono, Yusuke Yoshizumi, Yohei Enya, Katsushi Akita, Takamichi Sumitomo | 2013-01-22 |
| 8357558 | Method of making semiconductor light-emitting device | Takashi Kyono, Yohei Enya, Yusuke Yoshizumi, Katsushi Akita, Takamichi Sumitomo +2 more | 2013-01-22 |
| 8349403 | Vapor-phase process apparatus, vapor-phase process method, and substrate | Eiryo Takasuka, Toshio Ueda, Toshiyuki Kuramoto | 2013-01-08 |
| 8349083 | Vapor-phase process apparatus, vapor-phase process method, and substrate | Eiryo Takasuka, Toshio Ueda, Toshiyuki Kuramoto | 2013-01-08 |
| 8306082 | Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Yohei Enya, Takashi Kyono, Masahiro Adachi, Katsushi Akita +5 more | 2012-11-06 |
| 8304793 | III-nitride semiconductor optical device and epitaxial substrate | Yusuke Yoshizumi, Yohei Enya, Katsushi Akita, Takashi Kyono, Takao Nakamura | 2012-11-06 |
| 8304269 | Method of fabricating group III nitride semiconductor device | Takashi Kyono, Yusuke Yoshizumi, Yohei Enya, Katsushi Akita, Takamichi Sumitomo +1 more | 2012-11-06 |
| 8295317 | Method of making nitride semiconductor laser, method of making epitaxial wafer, and nitride semiconductor laser | Takashi Kyono | 2012-10-23 |
| 8284811 | Gallium nitride-based semiconductor laser diode | Takamichi Sumitomo, Yohei Enya, Yusuke Yoshizumi, Katsushi Akita, Takashi Kyono | 2012-10-09 |
| 8265113 | Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Shimpei Takagi, Takatoshi Ikegami, Koji Katayama | 2012-09-11 |
| 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, Katsushi Akita | 2012-07-24 |
| 8227277 | Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Yohei Enya, Takashi Kyono, Masahiro Adachi, Katsushi Akita +5 more | 2012-07-24 |
| 8213475 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Shimpei Takagi, Yusuke Yoshizumi, Koji Katayama, Takatoshi Ikegami | 2012-07-03 |
| 8207556 | Group III nitride semiconductor device and epitaxial substrate | Takashi Kyono, Yusuke Yoshizumi, Yohei Enya, Katsushi Akita, Takamichi Sumitomo +1 more | 2012-06-26 |
| 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, Katsushi Akita +1 more | 2012-06-26 |
| 8183596 | High electron mobility transistor, epitaxial wafer, and method of fabricating high electron mobility transistor | Takashi Kyono, Yohei Enya, Takamichi Sumitomo, Yusuke Yoshizumi | 2012-05-22 |