Issued Patents All Time
Showing 26–50 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8872156 | Group III nitride semiconductor light emitting device and method of fabricating group III nitride semiconductor light emitting device | Takumi YONEMURA, Yohei Enya | 2014-10-28 |
| 8829545 | Group III nitride semiconductor light-emitting device | Masaki Ueno, Yusuke Yoshizumi | 2014-09-09 |
| 8823027 | Light emitting device | — | 2014-09-02 |
| 8809868 | Group-III nitride semiconductor device, method for fabricating Group-III nitride semiconductor device, and epitaxial substrate | Yohei Enya, Takamichi Sumitomo, Yusuke Yoshizumi, Koji Nishizuka | 2014-08-19 |
| 8803274 | Nitride-based semiconductor light-emitting element | Yohei Enya, Yusuke Yoshizumi, Katsushi Akita, Masaki Ueno, Takamichi Sumitomo +2 more | 2014-08-12 |
| 8748868 | Nitride semiconductor light emitting device and epitaxial substrate | Yohei Enya, Katsushi Akita, Masaki Ueno, Yusuke Yoshizumi, Takamichi Sumitomo | 2014-06-10 |
| 8741674 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Shimpei Takagi, Yohei Enya, Masahiro Adachi, Masaki Ueno +5 more | 2014-06-03 |
| 8731016 | Nitride semiconductor light emitting device | Yohei Enya, Masaki Ueno, Katsunori Yanashima, Kunihiko Tasai, Hiroshi Nakajima +1 more | 2014-05-20 |
| 8718110 | Nitride semiconductor laser and epitaxial substrate | Yohei Enya, Takamichi Sumitomo, Yusuke Yoshizumi, Masaki Ueno, Katsunori Yanashima +2 more | 2014-05-06 |
| 8693515 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Yohei Enya, Masahiro Adachi, Katsushi Akita, Masaki Ueno +5 more | 2014-04-08 |
| 8619828 | Group III nitride semiconductor laser diode | Katsushi Akita, Yohei Enya, Masahiro Adachi, Shinji Tokuyama, Yusuke Yoshizumi +2 more | 2013-12-31 |
| 8548021 | III-nitride semiconductor laser, and method for fabricating III-nitride semiconductor laser | Kei Fujii, Masaki Ueno, Katsushi Akita, Yusuke Yoshizumi, Takamichi Sumitomo +1 more | 2013-10-01 |
| 8546163 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Yohei Enya, Masahiro Adachi, Katsushi Akita, Masaki Ueno +5 more | 2013-10-01 |
| 8541253 | III-nitride semiconductor laser device, and method of fabricating the III-nitride semiconductor laser device | Yusuke Yoshizumi, Yohei Enya, Masahiro Adachi, Shinji Tokuyama, Takamichi Sumitomo +4 more | 2013-09-24 |
| 8513684 | Nitride semiconductor light emitting device | Yohei Enya, Yusuke Yoshizumi, Katsushi Akita, Masaki Ueno, Takamichi Sumitomo | 2013-08-20 |
| 8507305 | Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and epitaxial substrate | Yusuke Yoshizumi, Yohei Enya, Takamichi Sumitomo, Nobuhiro Saga, Masahiro Adachi +6 more | 2013-08-13 |
| 8488642 | Gallium nitride based semiconductor light-emitting device and method for fabricating the same, gallium nitride based light-emitting diode, epitaxial wafer, and method for fabricating gallium nitride light-emitting diode | Yusuke Yoshizumi, Yohei Enya, Masaki Ueno | 2013-07-16 |
| 8487327 | Group-III nitride semiconductor device, epitaxial substrate, and method of fabricating group-III nitride semiconductor device | Yohei Enya, Yusuke Yoshizumi, Takamichi Sumitomo, Katsushi Akita, Masaki Ueno +1 more | 2013-07-16 |
| 8483251 | Group III nitride semiconductor laser diode, and method for producing group III nitride semiconductor laser diode | Yohei Enya, Yusuke Yoshizumi, Katsushi Akita, Masaki Ueno, Takamichi Sumitomo +1 more | 2013-07-09 |
| 8477818 | Gallium nitride-based semiconductor laser device, and method for fabricating gallium nitride-based semiconductor laser device | Tetsuya Kumano, Masaki Ueno, Yohei Enya, Katsunori Yanashima, Kunihiko Tasai +1 more | 2013-07-02 |
| 8476615 | GaN-based semiconductor light emitting device and the method for making the same | Yohei Enya, Takamichi Sumitomo, Katsushi Akita, Masaki Ueno, Takao Nakamura | 2013-07-02 |
| 8445925 | Semiconductor optical device | Takahisa YOSHIDA, Yohei Enya, Masaki Ueno | 2013-05-21 |
| 8415707 | Group III nitride semiconductor device | Shinji Tokuyama, Masaki Ueno, Masahiro Adachi, Takamichi Sumitomo, Koji Katayama +1 more | 2013-04-09 |
| 8405066 | Nitride-based semiconductor light-emitting device | Yohei Enya, Yusuke Yoshizumi, Katsushi Akita, Takamichi Sumitomo, Masaki Ueno | 2013-03-26 |
| 8357946 | Nitride semiconductor light emitting device, epitaxial substrate, and method for fabricating nitride semiconductor light emitting device | Yusuke Yoshizumi, Yohei Enya, Katsushi Akita, Masaki Ueno, Takamichi Sumitomo | 2013-01-22 |