Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830992 | Method for manufacturing a gallium nitride group compound semiconductor | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 2004-12-14 |
| 6829273 | Nitride semiconductor layer structure and a nitride semiconductor laser incorporating a portion of same | Hiroshi Amano, Yawara Kaneko, Norihide Yamada, Tetsuya Takeuchi, Satoshi Watanabe | 2004-12-07 |
| 6690700 | Nitride semiconductor device | Tetsuya Takeuchi, Yawara Kaneko, Norihide Yamada, Hiroshi Amano | 2004-02-10 |