Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833213 | Separator for a fuel cell | Mikio Wada, Toshiyuki Inagaki, Tsuyoshi Takahashi | 2004-12-21 |
| 6794079 | Fuel cell | Toshiyuki Inagaki, Mikio Wada, Tsuyoshi Takahashi | 2004-09-21 |
| 6708543 | Sheet-metal formed with spaced projections and manufacturing method of the same | Naoki Yoshioka, Tsuyoshi Takahashi | 2004-03-23 |