Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7510626 | Carbon fiber paper and porous carbon electrode substrate for fuel cell therefrom | Mitsuo Hamada, Hidehiko Ohashi, Kazushige Mihara, Makoto Nakamura | 2009-03-31 |
| 6392867 | Electric double layer capacitor and method for preparing the same | Teruyuki Yamada, Yoshihiko Hosako, Mitsuo Hamada | 2002-05-21 |