Issued Patents All Time
Showing 25 most recent of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9196910 | Fuel cell | Masaki Yamauchi, Yasushi Sugawara, Shinsuke Takeguchi, Yoichiro Tsuji, Takashi Morimoto | 2015-11-24 |
| 8728682 | Fuel cell having a fastening structure including a specified configuration of elastic members | Toshihiro Matsumoto, Norihiko Kawabata, Yoshiki Nagao | 2014-05-20 |
| 8703360 | Method for producing an electrode-membrane-frame assembly | Yoichiro Tsuji, Toshihiro Matsumoto, Takashi Morimoto | 2014-04-22 |
| 8697312 | Cell stack of fuel cell and method of fastening cell stack of fuel cell | Soichi Shibata, 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 | Soichi Shibata | 2013-08-20 |
| 8435692 | Fuel cell | Soichi Shibata, Susumu Hatano, Eiichi Yasumoto, Toshihiro Matsumoto | 2013-05-07 |
| 8404401 | Fuel cell having improved contact between separators and gas diffusion layers | Soichi Shibata, Kazuhito Hatoh | 2013-03-26 |
| 8343688 | Polymer electrolyte fuel cell having a fastening structure including elastic members | Toshihiro Matsumoto, Mitsuo Yoshimura, Yoko Yamaguchi, Yoshiki Nagao | 2013-01-01 |
| 8329322 | Electrode-membrane-frame assembly for polyelectrolyte fuel cell, manufacturing method therefor, and polyelectrolyte fuel cell | Takashi Morimoto, Toshihiro Matsumoto, Norihiko Kawabata, Mitsuo Yoshimura | 2012-12-11 |
| 8278008 | Serpentine fuel cell separator with protrusions and fuel cell including the same | Toshihiro Matsumoto, Norihiko Kawabata, Yoshiki Nagao, Shinsuke Takeguchi, Yasuo Takebe +1 more | 2012-10-02 |
| 8268512 | Polymer electrolyte fuel cell and manufacturing method for electrode-membrane-frame assembly | Takashi Morimoto, Toshihiro Matsumoto, Norihiko Kawabata, Mitsuo Yoshimura | 2012-09-18 |
| 8137863 | Fuel cell | Shinsuke Takeguchi, Kazuhito Hatoh, Toshihiro Matsumoto | 2012-03-20 |
| 8084165 | MEA, MEA manufacturing method, and polymer electrolyte fuel cell | Kazuhito Hatoh, Toshihiro Matsumoto, Norihiko Kawabata, Hiroaki Matsuoka, Tomohiro Kijima | 2011-12-27 |
| 8076017 | Fuel cell stack | Toshihiro Matsumoto, Yoshiki Nagao, Norihiko Kawabata, Kenji Arai | 2011-12-13 |
| 8021772 | Preservation assembly of polymer electrolyte fuel cell stack | Yoichiro Tsuji, Eiichi Yasumoto, Kazuhito Hatoh, Shinsuke Takeguchi, Shigeyuki Unoki +1 more | 2011-09-20 |
| 8012646 | Polymer electrolyte fuel cell provided with a tightening pressure | Kazuhito Hatoh, Hideo Ohara, Susumu Kobayashi, Nobuhiro Hase, Shinsuke Takeguchi +1 more | 2011-09-06 |
| 8003239 | Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack | Yoichiro Tsuji, Eiichi Yasumoto, Kazuhito Hatoh, Shinsuke Takeguchi, Shigeyuki Unoki +1 more | 2011-08-23 |
| 7977014 | Polymer electrolyte fuel cell and manufacturing method for electrode-membrane-frame assembly | Takashi Morimoto, Toshihiro Matsumoto, Norihiko Kawabata, Mitsuo Yoshimura | 2011-07-12 |
| 7943261 | Method of operating fuel cell system and fuel cell system | Yasuo Takebe, Kazuhito Hatoh, Teruhisa Kanbara, Makoto Uchida, Shinya Kosako +2 more | 2011-05-17 |
| 7931999 | Polymer electrolyte fuel cell and manufacturing method for electrode-membrane-frame assembly | Takashi Morimoto, Toshihiro Matsumoto, Norihiko Kawabata, Mitsuo Yoshimura | 2011-04-26 |
| 7833673 | Solid polymer electrolytic fuel cell | Takashi Morimoto, Toshihiro Matsumoto, Norihiko Kawabata | 2010-11-16 |
| 7794864 | Fuel cell module, fuel cell, and method of manufacturing fuel cell module | Takashi Morimoto, Toshihiro Matsumoto, Norihiko Kawabata, Mitsuo Yoshimura | 2010-09-14 |
| 7794892 | Polymer electrolyte fuel cell and manufacturing method for electrode-membrane-frame assembly | Takashi Morimoto, Toshihiro Matsumoto, Norihiko Kawabata, Atsushi Murata | 2010-09-14 |
| 7790329 | Polymer electrolyte fuel cell and manufacturing method for electrode-membrane-frame assembly | Takashi Morimoto, Toshihiro Matsumoto, Norihiko Kawabata, Atsushi Murata | 2010-09-07 |
| D623135 | Fuel cell | Eiichi Yasumoto, Hideo Ohara | 2010-09-07 |