Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7327770 | Nitride semiconductor laser device | Tatsuya Ryowa, Masaya Ishida, Takeshi Kamikawa, Kensaku Motoki | 2008-02-05 |
| 6954034 | Semiconductor light-emitting device | — | 2005-10-11 |