Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818339 | Polymer electrolyte type fuel cell | Hisaaki Gyoten, Makoto Uchida, Eiichi Yasumoto, Teruhisa Kanbara, Junji Morita +6 more | 2004-11-16 |
| 6746793 | Polymer electrolyte fuel cell | Hisaaki Gyoten, Eiichi Yasumoto, Kazuhito Hatoh, Makoto Uchida, Teruhisa Kanbara +6 more | 2004-06-08 |