Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777805 | Group-III nitride compound semiconductor device | Toshiya Uemura, Atsuo Hirano, Naohisa Nagasaka | 2004-08-17 |
| 6717355 | Light-emitting unit | Yuji Takahashi, Koichi Kaga, Akihito Ota | 2004-04-06 |