Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6542059 | Solenoid for electromagnetic valve | Yoshio Aso, Shinichi Yoshimura, Takumi Matsumoto | 2003-04-01 |
| 6302149 | Solenoid-valve manifold with feeding mechanism | Takumi Matsumoto | 2001-10-16 |
| 6213445 | Solenoid valve with magnetic fluid damper | Masayuki Hangai | 2001-04-10 |
| D437030 | Electromagnetic valve | Takumi Matsumoto | 2001-01-30 |
| 6141618 | Traction control system for vehicles | Tetsuhiro Yamashita, Kazuaki Nada, Koji Hirai | 2000-10-31 |
| D428112 | Electromagnetic valve | Takumi Matsumoto | 2000-07-11 |
| D427284 | Port block for valve piping | Takumi Matsumoto | 2000-06-27 |
| D426615 | Supply and exhaust block for manifold solenoid valve | Takumi Matsumoto | 2000-06-13 |
| D420100 | Manifold for solenoid-operated directional control valve | Takumi Matsumoto | 2000-02-01 |
| D419216 | Supply and exhaust block for a manifold valve | Takumi Matsumoto | 2000-01-18 |
| 5996610 | Solenoid-operated valve assembly | Ryushiro Kaneko, Shinji Miyazoe | 1999-12-07 |
| 5996629 | Pilot solenoid valve | Shinji Miyazoe, Takumi Matsumoto, Makoto Ishikawa | 1999-12-07 |
| D417485 | Solenoid-operated pilot valve | Takumi Matsumoto | 1999-12-07 |
| D416980 | Supply and exhaust block for manifold solenoid valve | Takumi Matsumoto | 1999-11-23 |
| 5983921 | Directional-control-valve-connected body | Shinji Miyazoe, Ryushiro Kaneko | 1999-11-16 |
| D415824 | Electromagnetic valve | Takumi Matsumoto | 1999-10-26 |
| D415559 | Solenoid operated pilot valve | Takumi Matsumoto | 1999-10-19 |
| D415558 | Electromagnetic valve | Takumi Matsumoto | 1999-10-19 |
| D413650 | Solenoid-operated pilot valve | Takumi Matsumoto | 1999-09-07 |
| 5718263 | Pilot operated change-over valve | — | 1998-02-17 |
| 5664604 | Power feeding system for solenoid valve assembly | Makoto Ishikawa | 1997-09-09 |
| 5620027 | Poppet type directional control valve | — | 1997-04-15 |
| 5615710 | Pilot-type change-over valve | — | 1997-04-01 |
| 5597015 | Electromagnetic pilot type selector valve | Yoshio Asou, Bunya Hayashi, Takumi Matsumoto | 1997-01-28 |
| 5447176 | Spool type change-over valve | Yoshio Asou, Bunya Hayashi | 1995-09-05 |