EY

Eiichi Yasumoto

Sumitomo Electric Industries: 6 patents #85 of 3,885Top 3%
Overall (2003): #6,630 of 273,478Top 3%
6
Patents 2003

Issued Patents 2003

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
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