Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12126142 | Nitride semiconductor laser device and method of manufacturing nitride semiconductor laser device | Takashi Tange, Kota Tokuda | 2024-10-22 |
| 11984533 | Light emitting device using a gallium nitride (GaN) based material | Hiroshi Nakajima, Hidekazu Kawanishi, Katsunori Yanashima | 2024-05-14 |
| 10236663 | Semiconductor optical device | Katsunori Yanashima | 2019-03-19 |
| 9871349 | Light-emitting element | Eiji Nakayama, Yuusuke Nakayama, Shigetaka Tomiya | 2018-01-16 |
| 9231375 | Semiconductor device | Hiroshi Nakajima, Noriyuki Futagawa, Katsunori Yanashima, Yohei Enya, Tetsuya Kumano +1 more | 2016-01-05 |
| 8923354 | Nitride semiconductor laser, epitaxial substrate | Takashi Kyono, Yohei Enya, Takamichi Sumitomo, Yusuke Yoshizumi, Masaki Ueno +2 more | 2014-12-30 |
| 8731016 | Nitride semiconductor light emitting device | Takashi Kyono, Yohei Enya, Masaki Ueno, Katsunori Yanashima, Hiroshi Nakajima +1 more | 2014-05-20 |
| 8718110 | Nitride semiconductor laser and epitaxial substrate | Takashi Kyono, Yohei Enya, Takamichi Sumitomo, Yusuke Yoshizumi, Masaki Ueno +2 more | 2014-05-06 |
| 8477818 | Gallium nitride-based semiconductor laser device, and method for fabricating gallium nitride-based semiconductor laser device | Tetsuya Kumano, Masaki Ueno, Takashi Kyono, Yohei Enya, Katsunori Yanashima +1 more | 2013-07-02 |
| 8050305 | Semiconductor device | Katsumi Kishino, Ichiro Nomura, Koshi Tamamura, Tsunenori Asatsuma, Hitoshi Nakamura +2 more | 2011-11-01 |
| 7899104 | EL semiconductor device | Katsumi Kishino, Ichiro Nomura, Tsunenori Asatsuma, Koshi Tamamura, Hiroshi Nakajima +3 more | 2011-03-01 |
| 4200461 | Xanthene type acid dye and a base dye-sensitized zinc oxide photoconductive element | Kohei Kiyota, Hiroo Ueda, Shunji Kitagawa | 1980-04-29 |