Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829273 | Nitride semiconductor layer structure and a nitride semiconductor laser incorporating a portion of same | Isamu Akasaki, Yawara Kaneko, Norihide Yamada, Tetsuya Takeuchi, Satoshi Watanabe | 2004-12-07 |
| 6690700 | Nitride semiconductor device | Tetsuya Takeuchi, Yawara Kaneko, Norihide Yamada, Isamu Akasaki | 2004-02-10 |