Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667268 | Polymer electrolyte fuel cell having a porous catalyst layer and a method for manufacturing the same | Hisaaki Gyoten, Makoto Uchida, Eiichi Yasumoto, Teruhisa Kanbara, Junji Morita | 2003-12-23 |
| 6660419 | Solid polymer electrolyte fuel cell | Kazufumi Nishida, Eiichi Yasumoto, Hisaaki Gyoten, Kazuhito Hatoh, Makoto Uchida +4 more | 2003-12-09 |
| 6660424 | Fuel cell and method of manufacture thereof | Hisaaki Gyoten, Eiichi Yasumoto, Makoto Uchida, Kazufumi Nishida, Kazuhito Hatoh +6 more | 2003-12-09 |
| 6579639 | Polymer electrolyte fuel cell | Hisaaki Gyoten, Makoto Uchida, Eiichi Yasumoto, Hiroki Kusakabe, Yoshihiro Hori | 2003-06-17 |
| 6531236 | Polymer electrolyte fuel cell stack | Kazuhito Hatoh, Eiichi Yasumoto, Kazufumi Nishida, Hisaaki Gyoten, Teruhisa Kanbara +3 more | 2003-03-11 |