Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6150674 | Semiconductor device having Al.sub.x Ga.sub.1-x N (0<x<1) substrate | Osamu Imafuji, Shinji Nakamura, Kenji Orita | 2000-11-21 |
| 6139628 | Method of forming gallium nitride crystal | Tetsuzo Ueda, Takaaki Baba | 2000-10-31 |
| 6117700 | Method for fabricating semiconductor device having group III nitride | Kenji Orita, Masahiro Ishida, Shinji Nakamura | 2000-09-12 |
| 6069394 | Semiconductor substrate, semiconductor device and method of manufacturing the same | Tadao Hashimoto, Osamu Imafuji, Masahiro Ishida | 2000-05-30 |
| 6030886 | Growth of GaN on a substrate using a ZnO buffer layer | Tetsuzo Ueda, Takaaki Baba | 2000-02-29 |
| 5928421 | Method of forming gallium nitride crystal | Tetsuzo Ueda, Takaaki Baba | 1999-07-27 |
| 5751756 | Semiconductor laser device for use as a light source of an optical disk or the like | Toru Takayama, Osamu Imafuji, Masahiro Kume, Akio Yoshikawa | 1998-05-12 |