Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815112 | Fuel cell separator and polymer electrolyte fuel cell | Kazuo Saito, Atsushi Hagiwara, Koji Banno | 2004-11-09 |
| 6764624 | Method of producing fuel cell separator, fuel cell separator, and polymer electrolyte fuel cell | Kazuo Saito, Toshiharu Okamoto, Atsushi Hagiwara | 2004-07-20 |