Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822693 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Takuji Okahisa, Yoshiki Nishibayashi, Natsuo Tatsumi | 2020-11-03 |
| 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, Yuki Hiromura, Naoki Matsumoto, Seiji Nakahata +6 more | 2020-03-24 |