Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523588 | Diamond film field effect transistor with self aligned source and drain regions | Hisahi Koyama, Koji Kobashi | 1996-06-04 |
| 5479875 | Formation of highly oriented diamond film | Takeshi Tachibana, Kimitsugu Saito, Kazushi Hayashi, Rie Nakamura | 1996-01-02 |
| 5358754 | Method for forming diamond films by vapor phase synthesis | Koji Kobashi, Shigeaki Miyauchi, Kazuo Kumagai, Rie Kato | 1994-10-25 |
| 5352908 | Diamond Schottky diode with oxygen | Koji Kobashi, Koichi Miyata | 1994-10-04 |
| 5309000 | Diamond films with heat-resisting ohmic electrodes | Kimitsugu Saito, Koji Kobashi, Koichi Miyata | 1994-05-03 |
| 5298766 | Diamond heterojunction diode | Koji Kobashi, Shigeaki Miyauchi, Kazuo Kumagai, Rie Katoh | 1994-03-29 |
| 5298765 | Diamond Schottky gate type field-effect transistor | — | 1994-03-29 |
| 5031745 | Electromagnetically controlled spring clutch mechanism | — | 1991-07-16 |
| 5031744 | Electromagnetically controlled spring clutch mechanism | — | 1991-07-16 |
| 4940015 | Plasma reactor for diamond synthesis | Koji Kobashi, Koichi Miyata, Yoshio Kawate, Kazuo Kumagai, Norio Suzuki +2 more | 1990-07-10 |
| 4913274 | Electromagnetically controlled spring clutch mechanism | — | 1990-04-03 |
| 4874939 | Method and apparatus for detecting position/variance of input light using linear and quadratic outputs | Yoshiro Nishimoto, Yasuji Yoneda, Shinichi Imaoka, Yasuhide Nakai, Akimitsu Nakaue +7 more | 1989-10-17 |
| 4848545 | Electromagnetically controlled spring clutch mechanism | — | 1989-07-18 |
| 4825988 | Electromagnetically controlled spring clutch mechanism | — | 1989-05-02 |
| 4793453 | Electromagnetically controlled spring clutch mechanism | — | 1988-12-27 |
| 4704554 | Clutch mechanisms with improved electromagnetic means, spring supports and assembly versatility | — | 1987-11-03 |