Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660419 | Solid polymer electrolyte fuel cell | Kazufumi Nishida, Eiichi Yasumoto, Hisaaki Gyoten, Makoto Uchida, Hideo Ohara +4 more | 2003-12-09 |
| 6660424 | Fuel cell and method of manufacture thereof | Hisaaki Gyoten, Eiichi Yasumoto, Makoto Uchida, Yasushi Sugawara, Kazufumi Nishida +6 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 |