Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493367 | Semiconductor laser device and optical information reproduction apparatus | Yukio Yamasaki, Mototaka Taneya | 2002-12-10 |
| 6452216 | Nitride semiconductor light emitting device and apparatus including the same | Yuhzoh Tsuda, Takayuki Yuasa, Mototaka Taneya | 2002-09-17 |
| 6399966 | Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the same | Yuhzoh Tsuda | 2002-06-04 |