Issued Patents All Time
Showing 51–75 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Masato Hosaka +4 more | 2005-02-15 |
| 6840969 | High polymer electrolyte fuel cell and electrolyte film-gasket assembly for the fuel cell | Susumu Kobayashi, Masato Hosaka, Hikaru Murakami, Mikio Takezawa, Takayuki Onishi | 2005-01-11 |
| 6830840 | Operation method for polymer electrolytic fuel cell | Osamu Sakai, Hideo Ohara, Junji Niikura, Hisaaki Gyoten, Toshihiro Matsumoto +1 more | 2004-12-14 |
| 6790552 | Polymer electrolyte fuel cell | Susumu Kobayashi, Masato Hosaka, Hikaru Murakami, Mikio Takezawa, Takayuki Onishi | 2004-09-14 |
| 6770396 | Polymer electrolyte fuel cell | Hiroki Kusakabe, Hideo Ohara, Susumu Kobayashi, Tatsuto Yamazaki, Nobuhiro Hase +1 more | 2004-08-03 |
| 6746793 | Polymer electrolyte fuel cell | Hisaaki Gyoten, Eiichi Yasumoto, Makoto Uchida, Yasushi Sugawara, Teruhisa Kanbara +6 more | 2004-06-08 |
| 6689504 | Fuel cell stack with separator of a laminate structure | Toshihiro Matsumoto, Hisaaki Gyoten, Hideo Ohara, Kazufumi Nishida, Teruhisa Kanbara | 2004-02-10 |
| 6660424 | Fuel cell and method of manufacture thereof | Hisaaki Gyoten, Eiichi Yasumoto, Makoto Uchida, Yasushi Sugawara, Kazufumi Nishida +6 more | 2003-12-09 |
| 6660419 | Solid polymer electrolyte fuel cell | Kazufumi Nishida, Eiichi Yasumoto, Hisaaki Gyoten, Makoto Uchida, Hideo Ohara +4 more | 2003-12-09 |
| 6638655 | Fuel cell system | Hisaaki Gyoten, Osamu Sakai, Junji Niikura, Makoto Uchida | 2003-10-28 |
| 6531236 | Polymer electrolyte fuel cell stack | Eiichi Yasumoto, Kazufumi Nishida, Hisaaki Gyoten, Teruhisa Kanbara, Hideo Ohara +3 more | 2003-03-11 |
| 6372373 | Solid polymer electrolyte fuel cell and method for producing the same | Hisaaki Gyoten, Kazufumi Nishida, Hideo Ohara, Eiichi Yasumoto, Teruhisa Kanbara +4 more | 2002-04-16 |
| 6329093 | Polymer electrolyte fuel cell stack | Hideo Ohara, Hisaaki Gyoten, Kazufumi Nishida, Makoto Uchida, Eiichi Yasumoto +3 more | 2001-12-11 |
| 6210823 | Polymer electrolyte fuel cell | Eiichi Yasumoto, Kazufumi Nishida, Hisaaki Gyoten, Hideo Ohara, Makoto Uchida +4 more | 2001-04-03 |
| 6187464 | Method for activating fuel cell | Eiichi Yasumoto, Hisaaki Gyoten, Kazufumi Nishida, Teruhisa Kanbara | 2001-02-13 |
| 6117579 | Polymer electrolyte fuel cell | Hisaaki Gyoten, Takaharu Gamou, Eiichi Yasumoto | 2000-09-12 |
| 5976725 | Fuel cell system, fuel feed system for fuel cell and portable electric appliance | Takaharu Gamo, So Kuranaka, Yoshio Morita, Jo Suzuki, Mamoru Hamanishi +2 more | 1999-11-02 |
| 5962155 | Fuel cell system | Sou Kuranaka, Takaharu Gamou, Yoshio Morita | 1999-10-05 |
| 5702838 | Fuel cell device equipped with catalyst material for removing carbon monoxide and method for removing carbon monoxide | Eiichi Yasumoto, Takaharu Gamou | 1997-12-30 |
| 5589287 | Molten carbonate fuel cell | Junji Niikura, Eiichi Yasumoto, Takaharu Gamou | 1996-12-31 |
| 5571251 | Vehicle using hydrogen absorbing alloys | Takaharu Gamou, Noboru Taniguchi, Junji Niikura, Eiichi Yasumoto, Kinichi Adachi | 1996-11-05 |
| 5469913 | Vehicle using hydrogen absorbing alloys | Takaharu Gamou, Noboru Taniguchi, Junji Niikura, Eiichi Yasumoto, Kinichi Adachi | 1995-11-28 |
| 5470670 | Fuel cell | Eiichi Yasumoto, Junji Niikura, Takaharu Gamo | 1995-11-28 |
| 5441715 | Method for the separation of hydrogen isotopes using a hydrogen absorbing alloy | Takaharu Gamo, Noboru Taniguchi, Junji Niikura | 1995-08-15 |
| 5387330 | Mixed ionic conductors | Noboru Taniguchi, Junji Niikura, Takaharu Gamo | 1995-02-07 |