Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614059 | Semiconductor light-emitting device with quantum well | Yoshiaki Hasegawa, Akihiko Ishibashi, Isao Kidoguchi, Yuzaburo Ban, Masakatsu Suzuki | 2003-09-02 |
| 6611005 | Method for producing semiconductor and semiconductor laser device | Yoshiaki Hasegawa, Akihiko Ishibashi, Isao Kidoguchi, Yuzaburo Ban | 2003-08-26 |
| 6586774 | Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device | Akihiko Ishibashi, Yoshiaki Hasegawa, Nobuyuki Otsuka, Gaku Sugahara, Ryoko Miyanaga +4 more | 2003-07-01 |
| 6562129 | Formation method for semiconductor layer | Yoshiaki Hasegawa, Isao Kidoguchi, Yuzaburo Ban | 2003-05-13 |