Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667185 | Method of fabricating nitride semiconductor device | Akihiko Ishibashi, Kenji Harafuji, Yuzaburo Ban | 2003-12-23 |
| 6614059 | Semiconductor light-emitting device with quantum well | Ayumu Tsujimura, Yoshiaki Hasegawa, Akihiko Ishibashi, Yuzaburo Ban, Masakatsu Suzuki | 2003-09-02 |
| 6611005 | Method for producing semiconductor and semiconductor laser device | Ayumu Tsujimura, Yoshiaki Hasegawa, Akihiko Ishibashi, Yuzaburo Ban | 2003-08-26 |
| 6562129 | Formation method for semiconductor layer | Yoshiaki Hasegawa, Ayumu Tsujimura, Yuzaburo Ban | 2003-05-13 |
| 6518082 | Method for fabricating nitride semiconductor device | Akihiko Ishibashi, Masahiro Kume, Yuzaburo Ban, Satoshi Kamiyama | 2003-02-11 |