Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722627 | Electromagnetic valve device and manufacturing method thereof | Futoshi Kawamura, Hiroshi Sumiya, Sanemasa Kawabata | 2004-04-20 |
| 6688334 | Solenoid valve with improved magnetic attractive force | Futoshi Kawamura, Masahiko Ochiai | 2004-02-10 |