Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6933169 | Optical semiconductor device | Naoki Shibata | 2005-08-23 |
| 6861663 | Group III nitride compound semiconductor light-emitting device | Katsuhisa Sawazaki, Naoki Kaneyama | 2005-03-01 |