Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8771892 | Fuel cell power generation system and operation stop method of the same | Yasushi Sugawara, Takahiro Umeda | 2014-07-08 |
| 8728674 | Fuel cell system with controlled stop process for a shut-down operation | Junji Morita, Yasushi Sugawara, Takahiro Umeda | 2014-05-20 |
| 8435692 | Fuel cell | Soichi Shibata, Susumu Hatano, Hiroki Kusakabe, Toshihiro Matsumoto | 2013-05-07 |
| 8435657 | Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack | Shinichi Arisaka, Yoichiro Tsuji, Hatoh Kazuhito, Shinsuke Takeguchi | 2013-05-07 |
| 8137829 | Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack | Shinichi Arisaka, Yoichiro Tsuji, Kazuhito Hatoh, Shinsuke Takeguchi | 2012-03-20 |
| 8021772 | Preservation assembly of polymer electrolyte fuel cell stack | Yoichiro Tsuji, Kazuhito Hatoh, Shinsuke Takeguchi, Hiroki Kusakabe, Shigeyuki Unoki +1 more | 2011-09-20 |
| 8003239 | Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack | Yoichiro Tsuji, Kazuhito Hatoh, Shinsuke Takeguchi, Hiroki Kusakabe, Shigeyuki Unoki +1 more | 2011-08-23 |
| 7976972 | Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack | Shinichi Arisaka, Yoichiro Tsuji, Kazuhito Hatoh, Shinsuke Takeguchi | 2011-07-12 |
| D623135 | Fuel cell | Hiroki Kusakabe, Hideo Ohara | 2010-09-07 |
| 7790324 | Separator plate and fuel cell | Soichi Shibata, Hiroki Kusakabe | 2010-09-07 |
| D612805 | Separator for fuel cell | Hiroki Kusakabe, Hideo Ohara | 2010-03-30 |
| D612806 | Separator for fuel cell | Hiroki Kusakabe, Hideo Ohara | 2010-03-30 |
| D596565 | Separator for fuel cell | Hiroki Kusakabe, Hideo Ohara | 2009-07-21 |
| 7494737 | Fuel cell having manifold apertures and cover plates | Shinichi Arisaka, Yasuo Takebe, Hideo Ohara, Kazuhito Hatoh | 2009-02-24 |
| D586746 | Separator for fuel cell | Hiroki Kusakabe, Hideo Ohara | 2009-02-17 |
| 7491459 | Polymer electrolyte fuel cell | Hiroki Kusakabe, Kazuhito Hatoh, Hideo Ohara, Shinsuke Takeguchi, Soichi Shibata +2 more | 2009-02-17 |
| 7470483 | Electrolyte membrane-electrode assembly for fuel cell and operation method of fuel cell using the same | Akihiko Yoshida, Yoshihiro Hori, Osamu Sakai, Makoto Uchida, Shinya Kosako | 2008-12-30 |
| 7455703 | Method for manufacturing polymer electrolyte fuel cell | Makoto Uchida, Yasushi Sugawara, Akihiko Yoshida, Junji Morita, Masao Yamamoto +3 more | 2008-11-25 |
| 7422811 | Fuel cell life predicting device and fuel cell system | Shinichi Arisaka, Osamu Sakai, Hideo Kasahara, Shigeyuki Unoki | 2008-09-09 |
| 7405019 | Polymer electrolyte fuel cell | Hideo Ohara, Hiroki Kusakabe, Kazuhito Hatoh, Nobuhiro Hase, Shinsuke Takeguchi +5 more | 2008-07-29 |
| D567763 | Fuel cell | Hiroki Kusakabe, Hideo Ohara | 2008-04-29 |
| 7316860 | Polymer electrolyte fuel cell and production method of the same | Akihiko Yoshida, Makoto Uchida, Junji Morita, Yasushi Sugawara, Teruhisa Kanbara | 2008-01-08 |
| 7285354 | Polymer electrolyte fuel cell, fuel cell electrode, method for producing electrode catalyst layer, and method for producing polymer electrolyte fuel cell | Yasuhiro Ueyama, Masaru Watanabe, Nobuyuki Kamikihara | 2007-10-23 |
| 7220514 | Polymer electrolyte fuel cell | Akihiko Yoshida, Makoto Uchida, Hisaaki Gyoten, Kazuhito Hatoh, Yasushi Sugawara +5 more | 2007-05-22 |
| 7201993 | Polymer electrolyte fuel cell | Makoto Uchida, Yasushi Sugawara, Akihiko Yoshida, Junji Morita, Masao Yamamoto +3 more | 2007-04-10 |