EY

Eiichi Yasumoto

Sumitomo Electric Industries: 34 patents #370 of 21,551Top 2%
PA Panasonic: 18 patents #1,184 of 21,108Top 6%
Overall (All Time): #51,192 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 26–50 of 52 patents

Patent #TitleCo-InventorsDate
7150934 Electrolyte film electrode union, fuel cell containing the same and process for producing them Akihiko Yoshida, Yoshihiro Hori, Makoto Uchida, Yasuo Takebe, Osamu Sakai +5 more 2006-12-19
7097932 Polymer electrolytic fuel cell and method for producing the same Osamu Sakai, Hisaaki Gyoten, Hiroki Kusakabe, Yasushi Sugawara, Teruhisa Kanbara +3 more 2006-08-29
6991870 Gas diffusion electrode and fuel cell using this Akihiko Yoshida, Makoto Uchida, Junji Morita, Yasushi Sugawara, Hisaaki Gyoten +3 more 2006-01-31
6869719 Polymer electrolyte fuel cell stack Kazuhito Hatoh, Kazufumi Nishida, Hisaaki Gyoten, Teruhisa Kanbara, Hideo Ohara +3 more 2005-03-22
6818339 Polymer electrolyte type fuel cell Yasushi Sugawara, Hisaaki Gyoten, Makoto Uchida, Teruhisa Kanbara, Junji Morita +6 more 2004-11-16
6746793 Polymer electrolyte fuel cell Hisaaki Gyoten, Kazuhito Hatoh, Makoto Uchida, Yasushi Sugawara, Teruhisa Kanbara +6 more 2004-06-08
6667268 Polymer electrolyte fuel cell having a porous catalyst layer and a method for manufacturing the same Yasushi Sugawara, Hisaaki Gyoten, Makoto Uchida, Teruhisa Kanbara, Junji Morita 2003-12-23
6660419 Solid polymer electrolyte fuel cell Kazufumi Nishida, Hisaaki Gyoten, Kazuhito Hatoh, Makoto Uchida, Hideo Ohara +4 more 2003-12-09
6660424 Fuel cell and method of manufacture thereof Hisaaki Gyoten, Makoto Uchida, Yasushi Sugawara, Kazufumi Nishida, Kazuhito Hatoh +6 more 2003-12-09
6579639 Polymer electrolyte fuel cell Hisaaki Gyoten, Makoto Uchida, Hiroki Kusakabe, Yasushi Sugawara, Yoshihiro Hori 2003-06-17
6541144 Fuel cell system Hisaaki Gyoten, Hiroki Kusakabe, Osamu Sakai 2003-04-01
6531236 Polymer electrolyte fuel cell stack Kazuhito Hatoh, Kazufumi Nishida, Hisaaki Gyoten, Teruhisa Kanbara, Hideo Ohara +3 more 2003-03-11
6455109 Electrode for fuel cell and method of producing the same Hisaaki Gyoten, Makoto Uchida, Yasushi Sugawara, Yasutomo Funakoshi, Kouji Nakagawa +1 more 2002-09-24
6372373 Solid polymer electrolyte fuel cell and method for producing the same Hisaaki Gyoten, Kazuhito Hatoh, Kazufumi Nishida, Hideo Ohara, Teruhisa Kanbara +4 more 2002-04-16
6329093 Polymer electrolyte fuel cell stack Hideo Ohara, Hisaaki Gyoten, Kazuhito Hatoh, Kazufumi Nishida, Makoto Uchida +3 more 2001-12-11
6210823 Polymer electrolyte fuel cell Kazuhito Hatoh, Kazufumi Nishida, Hisaaki Gyoten, Hideo Ohara, Makoto Uchida +4 more 2001-04-03
6187464 Method for activating fuel cell Hisaaki Gyoten, Kazuhito Hatoh, Kazufumi Nishida, Teruhisa Kanbara 2001-02-13
6117579 Polymer electrolyte fuel cell Hisaaki Gyoten, Takaharu Gamou, Kazuhito Hatoh 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
5860359 Gas-permselective gas pump and warmer for using same Noboru Taniguchi, Takaharu Gamou, Yasuhito Takahashi, Kunihito Mori 1999-01-19
5702838 Fuel cell device equipped with catalyst material for removing carbon monoxide and method for removing carbon monoxide Kazuhito Hatoh, Takaharu Gamou 1997-12-30
5589287 Molten carbonate fuel cell Kazuhito Hatoh, Junji Niikura, Takaharu Gamou 1996-12-31
5571251 Vehicle using hydrogen absorbing alloys Takaharu Gamou, Noboru Taniguchi, Junji Niikura, Kazuhito Hatoh, Kinichi Adachi 1996-11-05
5469913 Vehicle using hydrogen absorbing alloys Takaharu Gamou, Noboru Taniguchi, Junji Niikura, Kazuhito Hatoh, Kinichi Adachi 1995-11-28
5470670 Fuel cell Junji Niikura, Kazuhito Hatoh, Takaharu Gamo 1995-11-28