Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660419 | Solid polymer electrolyte fuel cell | Kazufumi Nishida, Eiichi Yasumoto, Hisaaki Gyoten, Kazuhito Hatoh, Makoto Uchida +4 more | 2003-12-09 |
| 6638655 | Fuel cell system | Hisaaki Gyoten, Osamu Sakai, Kazuhito Hatoh, Makoto Uchida | 2003-10-28 |