Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11094537 | Group III nitride composite substrate and method for manufacturing the same, and method for manufacturing group III nitride semiconductor device | Keiji Ishibashi, Akihiro Hachigo, Naoki Matsumoto, Seiji Nakahata, Fumitake Nakanishi +6 more | 2021-08-17 |
| 10600676 | Group III nitride composite substrate and method for manufacturing the same, and method for manufacturing group III nitride semiconductor device | Keiji Ishibashi, Akihiro Hachigo, Naoki Matsumoto, Seiji Nakahata, Fumitake Nakanishi +6 more | 2020-03-24 |
| 9917004 | Group III nitride composite substrate and method for manufacturing the same, and method for manufacturing group III nitride semiconductor device | Keiji Ishibashi, Akihiro Hachigo, Naoki Matsumoto, Seiji Nakahata, Fumitake Nakanishi +6 more | 2018-03-13 |
| 9136337 | Group III nitride composite substrate and method for manufacturing the same, laminated group III nitride composite substrate, and group III nitride semiconductor device and method for manufacturing the same | Keiji Ishibashi, Akihiro Hachigo, Naoki Matsumoto, Seiji Nakahata, Fumitake Nakanishi +2 more | 2015-09-15 |
| 9005362 | Method for growing group III nitride crystal | Koji Uematsu, Hiroaki Yoshida, Shinsuke Fujiwara | 2015-04-14 |