Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830840 | Operation method for polymer electrolytic fuel cell | Kazuhito Hatoh, Hideo Ohara, Junji Niikura, Hisaaki Gyoten, Toshihiro Matsumoto +1 more | 2004-12-14 |
| 6818339 | Polymer electrolyte type fuel cell | Yasushi Sugawara, Hisaaki Gyoten, Makoto Uchida, Eiichi Yasumoto, Teruhisa Kanbara +6 more | 2004-11-16 |
| 6779482 | Plasma deposition device for forming thin film | Satoshi Okamoto, Toshio Akai | 2004-08-24 |
| 6746793 | Polymer electrolyte fuel cell | Hisaaki Gyoten, Eiichi Yasumoto, Kazuhito Hatoh, Makoto Uchida, Yasushi Sugawara +6 more | 2004-06-08 |
| 6696194 | Polymer electrolytic fuel cell | Yoshihiro Hori, Takeshi Yonamine, Masato Hosaka | 2004-02-24 |