Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654397 | Semiconductor laser device and manufacturing method thereof | Kunio Takeuchi, Ryoji Hiroyama, Shigeyuki Okamoto, Koji Tominaga, Daijiro Inoue | 2003-11-25 |
| 6649942 | Nitride-based semiconductor light-emitting device | Masayuki Hata, Kunio Takeuchi, Tsutomu Yamaguchi, Takashi Kano | 2003-11-18 |