Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967065 | Separator of proton exchange fuel cell and its manufacturing method | Masahiro Saitou, Kazuhide Matsumoto, Masashi Takahashi, Masayuki Itoh, Kunihiko Wada +1 more | 2005-11-22 |
| 6939638 | Fuel cell separator, process for production thereof, and polymer electrolyte fuel cell | Atsushi Hagiwara, Atsushi Miyazawa | 2005-09-06 |
| 6884535 | Fuel cell separator | Atsushi Hagiwara, Seiji Yamamoto | 2005-04-26 |
| 6881512 | Separator for fuel cell, process for production thereof, and solid polymer type fuel cell using said separator | Atsushi Hagiwara | 2005-04-19 |