Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022438 | Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer | Masahiro Nakayama | 2011-09-20 |
| 7919343 | Group III nitride crystal and method for surface treatment thereof, group III nitride stack and manufacturing method thereof, and group III nitride semiconductor device and manufacturing method thereof | Keiji Ishibashi, Naoki Matsumoto | 2011-04-05 |
| 7901960 | Group III nitride substrate, epitaxial layer-provided substrate, methods of manufacturing the same, and method of manufacturing semiconductor device | Keiji Ishibashi, Akihiro Hachigo, Seiji Nakahata | 2011-03-08 |