Issued Patents All Time
Showing 126–134 of 134 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5779224 | Poppet valve | Tetsuro Maruyama, Tadashi Uchino, Masaaki Ono, Yuzuru Okita | 1998-07-14 |
| 5771918 | Device for connecting output pipe to valve | Yoshitada Doi | 1998-06-30 |
| 5586570 | Directional control valve | Yoshitada Doi | 1996-12-24 |
| 5584466 | Self-holding type solenoid valves | Shinichi Azuma, Atsushi Nishibe | 1996-12-17 |
| 5555911 | Directional control valve and a valve assembly using directional control valves | Shoichi Makado, Takeshi Arakawa | 1996-09-17 |
| 5462087 | Directional control valve and a valve assembly using directional control valves | Shoichi Makado, Takeshi Arakawa | 1995-10-31 |
| 5459953 | Manifold valve | Yoshitada Doi, Toshiyuki Mori | 1995-10-24 |
| 5333647 | Manifold valve | Shoichi Makado, Yoshitada Doi | 1994-08-02 |
| 4182375 | Spool-sleeve type change-over valve | Naotake Oneyama | 1980-01-08 |