Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773843 | Portable fuel cell stack | Koji Kitagawa, Eiji Kato, Takashi Inaba, Yasuo Ido | 2004-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773843 | Portable fuel cell stack | Koji Kitagawa, Eiji Kato, Takashi Inaba, Yasuo Ido | 2004-08-10 |