Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9373854 | Solid polymer fuel cell | Norihiko Kawabata, Takashi Morimoto | 2016-06-21 |
| 8808939 | Fuel cell stack and fuel cell cogeneration system including the same | Yasushi Sugawara, Takahiro Umeda | 2014-08-19 |
| 8765314 | Fuel cell system and method for stopping operation of fuel cell system | Yasushi Sugawara, Junji Morita, Makoto Uchida, Takayuki Urata, Shinya Kosako +5 more | 2014-07-01 |
| 8697312 | Cell stack of fuel cell and method of fastening cell stack of fuel cell | Hiroki Kusakabe, Shigeyuki Unoki, Yoshiki Nagao, Norihiko Kawabata, Yusuke Ikeshima | 2014-04-15 |
| 8512903 | Polymer electrolyte fuel cell and method for measuring voltages of cells in polymer electrolyte fuel cell | Hiroki Kusakabe | 2013-08-20 |
| 8435692 | Fuel cell | Susumu Hatano, Hiroki Kusakabe, Eiichi Yasumoto, Toshihiro Matsumoto | 2013-05-07 |
| 8404401 | Fuel cell having improved contact between separators and gas diffusion layers | Hiroki Kusakabe, Kazuhito Hatoh | 2013-03-26 |
| 8278002 | Fuel-cell and fuel cell system including the same | Yasushi Sugawara, Takayuki Urata, Junji Morita, Takahiro Umeda | 2012-10-02 |
| 8268494 | Fuel cell system | Hideo Kasahara, Hideo Ohara, Yoshikazu Tanaka | 2012-09-18 |
| 8071243 | Fuel cell system | Yasushi Sugawara, Takayuki Urata, Takahiro Umeda, Akihiko Yoshida, Junji Morita | 2011-12-06 |
| 8039154 | Fuel cell system, method of starting fuel cell system | Junji Morita, Makoto Uchida, Yasushi Sugawara, Takayuki Urata, Shinya Kosako +5 more | 2011-10-18 |
| 8003273 | Polymer electrolyte fuel cell and fuel cell sealing member for the same | Yasushi Sugawara, Takayuki Urata, Junji Morita, Takahiro Umeda | 2011-08-23 |
| 7790324 | Separator plate and fuel cell | Hiroki Kusakabe, Eiichi Yasumoto | 2010-09-07 |
| 7691510 | Fuel cell system with differential pressure control | Takayuki Urata, Yasushi Sugawara, Takahiro Umeda, Junji Morita, Kazuhito Hatoh +1 more | 2010-04-06 |
| 7678490 | Polymer electrolyte fuel cell | Shinsuke Takeguchi, Kazuhito Hatoh, Hiroki Kusakabe, Hideo Ohara, Takeshi Tomizawa | 2010-03-16 |
| 7491459 | Polymer electrolyte fuel cell | Hiroki Kusakabe, Kazuhito Hatoh, Hideo Ohara, Shinsuke Takeguchi, Takeshi Tomizawa +2 more | 2009-02-17 |
| 7416807 | Polymer electrolyte fuel cell | Hideo Ohara, Toshihiro Matsumoto, Yasushi Sugawara | 2008-08-26 |
| 7405019 | Polymer electrolyte fuel cell | Hideo Ohara, Hiroki Kusakabe, Kazuhito Hatoh, Nobuhiro Hase, Shinsuke Takeguchi +5 more | 2008-07-29 |
| 7294423 | Polymer electrolyte fuel cell having improved current collector plates and method of forming the same | Nobuhiro Hase, Kazuhito Hatoh, Hiroki Kusakabe, Hideo Ohara, Susumu Kobayashi +1 more | 2007-11-13 |
| 7220512 | Separator plate for polymer electrolyte fuel cell and polymer electrolyte fuel cell using the same | Hideo Ohara, Kazuhito Hatoh, Nobuhiro Hase, Hiroki Kusakabe, Katsuzou Kokawa +3 more | 2007-05-22 |
| 6960407 | Fuel cell | Hiroki Kusakabe, Kazuhito Hatoh, Nobuhiro Hase, Shinsuke Takeguchi, Hideo Ohara +3 more | 2005-11-01 |