Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686083 | Carbonaceous composite material, process for production thereof, fuel cell separator, and polymer electrolyte fuel cell | Kazuo Saito, Atsushi Hagiwara, Atsushi Miyazawa | 2004-02-03 |