Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10594110 | Vertical cavity surface emitting laser, method for fabricating vertical cavity surface emitting laser | Kei Fujii, Toshiyuki Tanahashi, Takashi Ishizuka, Susumu Yoshimoto, Takamichi Sumitomo +1 more | 2020-03-17 |
| 9887310 | Semiconductor layered structure, method for producing semiconductor layered structure, and method for producing semiconductor device | Katsushi Akita, Kei Fujii, Takashi Kyono, Kaoru Shibata | 2018-02-06 |
| 9773932 | Epitaxial wafer and method for manufacturing same | Kei Fujii, Takashi Kyono, Kaoru Shibata, Katsushi Akita | 2017-09-26 |
| 9123843 | Semiconductor device | Takashi Kyono, Katsushi Akita, Kaoru Shibata, Kei Fujii | 2015-09-01 |
| 8809868 | Group-III nitride semiconductor device, method for fabricating Group-III nitride semiconductor device, and epitaxial substrate | Yohei Enya, Takashi Kyono, Takamichi Sumitomo, Yusuke Yoshizumi | 2014-08-19 |