Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971114 | Electromagnetic proportional pressure control valve | Jun-ichi Yasuma | 1990-11-20 |
| 4926906 | Spool valve | Junichi Tani, Katsuhiko Tsukazaki, Hiroshi Sakuyama, Nobuo Baba, Kiyoji Nakajima +2 more | 1990-05-22 |
| 4905961 | Electromagnetic actuator | Jun Tani, Katsuhiko Tsukazaki, Hiroshi Sakuyama, Nobuo Baba, Kiyoji Nakajima +2 more | 1990-03-06 |
| 4875501 | Electromagnetic proportional control valve apparatus | Jun-ichi Yasuma | 1989-10-24 |
| 4860792 | Electromagnetic control valve | Akira Inaba | 1989-08-29 |
| 4844122 | Electromagnetic valve with two opposed valve seats | — | 1989-07-04 |
| 4809749 | Solenoid valve | — | 1989-03-07 |
| 4744389 | Pressure control device | — | 1988-05-17 |