Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012646 | Polymer electrolyte fuel cell provided with a tightening pressure | Kazuhito Hatoh, Hiroki Kusakabe, Hideo Ohara, Susumu Kobayashi, Nobuhiro Hase +1 more | 2011-09-06 |
| 7943261 | Method of operating fuel cell system and fuel cell system | Yasuo Takebe, Kazuhito Hatoh, Hiroki Kusakabe, Makoto Uchida, Shinya Kosako +2 more | 2011-05-17 |
| 7722996 | Polymer electrolyte fuel cell system and operation method thereof | Susumu Kobayashi, Toshihiro Matsumoto, Takeshi Tomizawa, Katsuzou Kokawa | 2010-05-25 |
| 7572539 | Polymer electrolyte fuel cell | Susumu Kobayashi, Toshihiro Matsumoto, Takeshi Tomizawa, Katsuzou Kokawa | 2009-08-11 |
| 7452624 | Polymer electrolyte type fuel cell | Kazuhito Hatoh, Junji Niikura, Hideo Ohara, Hiroki Kusakabe, Nobuhiro Hase +3 more | 2008-11-18 |
| 7430545 | Power supply/demand control system | Hisaaki Gyoten, Hidekazu Tanigawa | 2008-09-30 |
| 7414004 | Gas diffusion layer, electrode and membrane electrode assembly for fuel cell, and production methods thereof | Akihiko Yoshida, Yoichiro Tsuji, Masaki Yamauchi, Yoshihiro Hori, Makoto Uchida +1 more | 2008-08-19 |
| 7318974 | Polymer electrolyte fuel cell | Hideo Ohara, Hiroki Kusakabe, Nobuhiro Hase, Shinsuke Takeguchi, Yoshiaki Yamamoto +7 more | 2008-01-15 |
| 7316860 | Polymer electrolyte fuel cell and production method of the same | Eiichi Yasumoto, Akihiko Yoshida, Makoto Uchida, Junji Morita, Yasushi Sugawara | 2008-01-08 |
| 7276310 | Electrolyte membrane for a fuel cell, electrolyte membrane electrode assembly for a fuel cell, and a fuel cell | Susumu Kobayashi, Toshihiro Matsumoto, Takeshi Tomizawa, Katsuzou Kokawa | 2007-10-02 |
| 7220514 | Polymer electrolyte fuel cell | Eiichi Yasumoto, Akihiko Yoshida, Makoto Uchida, Hisaaki Gyoten, Kazuhito Hatoh +5 more | 2007-05-22 |
| 7205061 | Polymer electrolyte fuel cell | Hideo Ohara, Toshihiro Matsumoto, Yasushi Sugawara, Junji Niikura, Kazuhito Hatoh +1 more | 2007-04-17 |
| 7144645 | Operation method for polymer electrolyte fuel cell | Kazuhito Hatoh, Osamu Sakai, Hideo Ohara, Junji Niikura, Hisaaki Gyoten +1 more | 2006-12-05 |
| 7097932 | Polymer electrolytic fuel cell and method for producing the same | Osamu Sakai, Hisaaki Gyoten, Hiroki Kusakabe, Eiichi Yasumoto, Yasushi Sugawara +3 more | 2006-08-29 |
| 7008714 | Polymer electrolyte fuel cell | Kazuhito Hatoh, Junji Niikura | 2006-03-07 |
| 6921598 | Polymer electrolyte fuel cell and method of manufacturing the same | Tatsuo Yamazaki, Junji Niikura, Nobuhiro Hase, Kazuhito Hatoh, Hisaaki Gyoten +2 more | 2005-07-26 |
| 6916575 | Polymer electrolyte type fuel cell | Yoshihiro Hori, Masato Hosaka, Junji Nikura, Kazuhito Hatoh, Takeshi Yonamine +1 more | 2005-07-12 |
| 6893765 | Polymer electrolyte fuel cell | Kazufumi Nishida, Junji Niikura, Hisaaki Gyoten, Kazuhito Hatoh, Hideo Ohara +1 more | 2005-05-17 |
| 6884536 | Polymer electrolyte fuel cell | Kazuhito Hatoh, Junji Niikura, Hideo Ohara | 2005-04-26 |
| 6881510 | Method for resorting characteristics of polymer electrolyte fuel cell | Hisaaki Gyoten, Makoto Uchida, Kazuhito Hatoh, Osamu Sakai | 2005-04-19 |
| 6869719 | Polymer electrolyte fuel cell stack | Kazuhito Hatoh, Eiichi Yasumoto, Kazufumi Nishida, Hisaaki Gyoten, Hideo Ohara +3 more | 2005-03-22 |
| 6855178 | Method for producing film electrode jointed product and method for producing solid polymer type fuel cell | Makoto Uchida, Junji Niikura, Hisaaki Gyoten, Yasuo Takebe, Kazuhito Hatoh +4 more | 2005-02-15 |
| 6830840 | Operation method for polymer electrolytic fuel cell | Kazuhito Hatoh, Osamu Sakai, Hideo Ohara, Junji Niikura, Hisaaki Gyoten +1 more | 2004-12-14 |
| 6818339 | Polymer electrolyte type fuel cell | Yasushi Sugawara, Hisaaki Gyoten, Makoto Uchida, Eiichi Yasumoto, Junji Morita +6 more | 2004-11-16 |
| 6746793 | Polymer electrolyte fuel cell | Hisaaki Gyoten, Eiichi Yasumoto, Kazuhito Hatoh, Makoto Uchida, Yasushi Sugawara +6 more | 2004-06-08 |