Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7531257 | Fuel cell system programmed to control reactant gas flow in a gas circulation path | Tatsuya Sugawara, Hiroshi Shimanuki | 2009-05-12 |
| 7481412 | Solenoid-operated cutoff valve for use with fuel cells | Kazuki Ishikawa, Yoshio Saito, Toshiaki Kamo, Katsumi Sahoda, Osamu Ichikawa +1 more | 2009-01-27 |
| 7441560 | Solenoid valve for fuel cell | Kouji Sonoda, Masakazu Murai, Kouetsu Hikichi, Hideki Sasaki, Yoshio Saito +4 more | 2008-10-28 |
| 7279242 | Fuel cell system | Tatsuya Sugawara, Kuri Kasuya | 2007-10-09 |
| 7192665 | Regulator for fuel cell | Yoji Nakajima, Kazuki Ishikawa, Takashi Yoshida, Katsumi Sahoda | 2007-03-20 |
| 7157168 | Regulator | Yoji Nakajima, Kazuki Ishikawa, Takashi Yoshida, Katsumi Sahoda | 2007-01-02 |
| 7144650 | Check valve and fuel cell system using the same | Kazunori Fukuma, Katsumi Sahoda | 2006-12-05 |
| 7040596 | Solenoid valve for fuel cell | Kouji Sonoda, Masakazu Murai, Kouetsu Hikichi, Hideki Sasaki, Yoshio Saito +4 more | 2006-05-09 |
| 7037609 | Fuel circuit of the fuel cell system | Tatsuya Sugawara | 2006-05-02 |
| 6627342 | Evaporator liquid fuel injection apparatus and fuel cell system | Masahito Nakamura, Takahiro Tachihara | 2003-09-30 |
| 6617067 | Fuel evaporator | Takahiro Tachihara, Naoyuki Abe, Yuuji Asano, Kiyoshi Kasahara, Shiyuuichi Togasawa +1 more | 2003-09-09 |
| 6520769 | Warm-up apparatus for fuel evaporator | Takahiro Tachihara, Naoyuki Abe | 2003-02-18 |