Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493367 | Semiconductor laser device and optical information reproduction apparatus | Shigetoshi Ito, Yukio Yamasaki | 2002-12-10 |
| 6455877 | III-N compound semiconductor device | Atsushi Ogawa, Takayuki Yuasa, Yoshihiro Ueta, Yuhzoh Tsuda, Masahiro Araki | 2002-09-24 |
| 6452216 | Nitride semiconductor light emitting device and apparatus including the same | Yuhzoh Tsuda, Takayuki Yuasa, Shigetoshi Ito | 2002-09-17 |