Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5115721 | Change-over valve | Kyoji Tanaka | 1992-05-26 |
| 5115722 | Solenoid-operated selector valve | Kyoji Tanaka | 1992-05-26 |
| 5062454 | Spool control valve | Jun-ichi Yasuma | 1991-11-05 |
| 4763872 | Operating oil introduction type electromagnetic valve | Toshihiro Murayama | 1988-08-16 |
| 4746888 | Solenoid for electromagnetic valve | Kyoji Tanaka, Wataru Takahashi | 1988-05-24 |
| 4694270 | Electromagnetic proportional actuator | — | 1987-09-15 |