Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6335218 | Method for fabricating a group III nitride semiconductor device | Hiroyuki Ota, Mamoru Miyachi | 2002-01-01 |
| 6235548 | Method of fabricating nitride semiconductor laser | Hiroyuki Ota, Mamoru Miyachi | 2001-05-22 |
| 6207469 | Method for manufacturing a semiconductor device | Hiroyuki Ota, Mamoru Miyachi | 2001-03-27 |
| 6200827 | Method for manufacturing a semiconductor light emitting device | Hiroyuki Ota | 2001-03-13 |
| 5834326 | Process for producing a luminous element of group III nitride semi-conductor | Mamoru Miyachi, Toshiyuki Tanaka, Hirokazu Takahashi, Hitoshi Sato, Atsushi Watanabe +3 more | 1998-11-10 |
| 4688004 | Frequency-changeable microwave signal generator having plural selectively operated oscillators | Kenji Hirai | 1987-08-18 |
| 4346347 | Diode faults detecting apparatus | Shohichi Kamata, Katsumi Hirai | 1982-08-24 |
| 4278975 | Navigation-monitoring apparatus | Masuki Sunayama, Yoshiki Okamoto | 1981-07-14 |