Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258678 | Gallium nitride single crystal substrate | Takashi Sato, Toshio Kitamura, Masatomo Shibata | 2025-03-25 |
| 11008671 | Nitride crystal | Hajime Fujikura, Taichiro KONNO, Takayuki Suzuki, Toshio Kitamura, Takehiro Yoshida | 2021-05-18 |
| 8368102 | Light emitting device | Kazuyuki Ilzuka, Masahiro Watanabe, Katsuya Akimoto | 2013-02-05 |