Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7464544 | Pressure device | Kazutoshi Kono | 2008-12-16 |
| 4903939 | Pneumatically-operated valve | Masakuni Kainuma, Toshikazu Aoki, Shoji Suda, Mitsunori Hoshi, Takashi Ejiri | 1990-02-27 |
| 4875500 | Diaphragm type of pilot operated directional control valve | Masakuni Kainuma, Shoji Suda, Toshikazu Aoki, Takashi Ejiri, Masao Kojima +1 more | 1989-10-24 |
| 4840347 | Pneumatically-operated valve | Masakuni Kainuma, Toshikazu Aoki, Shoji Suda, Mitsunori Hoshi, Takashi Ejiri | 1989-06-20 |
| 4823834 | Diaphragm type of pilot operated directional control valve | Masakuni Kainuma, Shoji Suda, Toshikazu Aoki, Takashi Ejiri, Masao Kojima +1 more | 1989-04-25 |
| 4765370 | Directional control valve | Masakuni Kainuma, Sohji Suda, Toshikazu Aoki, Masao Kojima, Takashi Ejiri | 1988-08-23 |
| 4744388 | Diaphragm type of pilot operated directional control valve | Masakuni Kainuma, Shoji Suda, Toshikazu Aoki, Takashi Ejiri, Masao Kojima +1 more | 1988-05-17 |
| 4712576 | Pneumatically operated valve | Takashi Ejiri | 1987-12-15 |