Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667268 | Polymer electrolyte fuel cell having a porous catalyst layer and a method for manufacturing the same | Yasushi Sugawara, Hisaaki Gyoten, Makoto Uchida, Eiichi Yasumoto, Teruhisa Kanbara | 2003-12-23 |
| 6660424 | Fuel cell and method of manufacture thereof | Hisaaki Gyoten, Eiichi Yasumoto, Makoto Uchida, Yasushi Sugawara, Kazufumi Nishida +6 more | 2003-12-09 |