Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6354563 | Electromagnetic drive valve and method for controlling same | Yoshihiro Iwashita, Isao Matsumoto | 2002-03-12 |
| 6354253 | Solenoid valve device | Shouji Katsumata, Yoshihiro Iwashita, Isao Matsumoto, Masaaki Tanaka, Hideyuki Nishida | 2002-03-12 |
| 6276317 | Control apparatus and method for electromagnetically driven valves | Isao Matsumoto, Shouji Katsumata, Masaaki Tanaka | 2001-08-21 |