Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7915149 | Gallium nitride substrate and gallium nitride layer formation method | Seiji Nakahata, Yoshiki Miura, Akinori Koukitu, Yoshinao Kumagai | 2011-03-29 |
| 7863167 | Method of manufacturing group III nitride crystal | Seiji Nakahata | 2011-01-04 |