Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022413 | Group III nitride semiconductor substrate and method for cleaning the same | Hirotaka Oota, Shuichi Kubo | 2011-09-20 |
| 7928446 | Group III nitride semiconductor substrate and method for cleaning the same | Hirotaka Oota, Shuichi Kubo | 2011-04-19 |