Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047234 | Valve apparatus | Yoshihiko Ito | 2011-11-01 |
| 7690622 | Diaphragm-type electromagnetic valve with closing-force strengthening mechanism | Yoshihiko Ito | 2010-04-06 |
| D581946 | Valve manifold | Yoshihiko Ito | 2008-12-02 |
| D581947 | Valve manifold | Yoshihiko Ito | 2008-12-02 |
| D581948 | Valve manifold | Yoshihiko Ito | 2008-12-02 |
| 7073825 | One-operation piping-installation fluid pressure apparatus | Bunya Hayashi, Yukihiro Matarai | 2006-07-11 |
| 7048002 | Board-mounted manifold valve | Bunya Hayashi, Yukihiro Matarai | 2006-05-23 |
| 6766828 | Interlock valve | Bunya Hayashi, Yukihiro Matarai | 2004-07-27 |
| D442259 | Pilot valve for solenoid valve | Masanori Kaizuka, Hideaki Tanaka | 2001-05-15 |
| D438596 | Pilot valve for solenoid valve | Masanori Kaizuka, Hideaki Tanaka | 2001-03-06 |