Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7441560 | Solenoid valve for fuel cell | Kouji Sonoda, Kouetsu Hikichi, Hideki Sasaki, Yoshio Saito, Koji Katano +4 more | 2008-10-28 |
| 7401762 | Solenoid-operated valve for use with fuel cells | Hiroto Ohmori, Kouetsu Hikichi, Takahide Kato, Narihiro Takagi, Ryoichi Yoshitomi +1 more | 2008-07-22 |
| 7302969 | Valve device for use with fuel cells | Tatsuji Hasegawa, Junichi Sugamori, Yoshio Kusano, Toshikatsu Katagiri | 2007-12-04 |
| 7275732 | Solenoid-operated valve for fuel cells | Takahide Kato, Kouetsu Hikichi, Hiroto Ohmori, Kuri Kasuya, Hiroyasu Ozaki | 2007-10-02 |
| 7157821 | Electromagnetic actuator | Hirozumi Kon | 2007-01-02 |
| 7040596 | Solenoid valve for fuel cell | Kouji Sonoda, Kouetsu Hikichi, Hideki Sasaki, Yoshio Saito, Koji Katano +4 more | 2006-05-09 |
| 6972500 | Electromagnetic actuator | Hirozumi Kon | 2005-12-06 |
| 6336373 | Rotary electromagnetic actuator | Shigeto Ryuen | 2002-01-08 |
| 5828144 | Electromagnetic actuator | — | 1998-10-27 |
| 5739599 | Electromagnetic actuator | — | 1998-04-14 |