Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938449 | Hydraulic forming process, hydraulic forming device and metal separator for a fuel cell formed by hydraulic forming process | Kenichi Kusunoki, Naoki Yoshioka | 2005-09-06 |
| 6855446 | Fuel cell, separator for fuel cell, and manufacturing method of separator | Keiji Hashimoto, Hirotaka Fukatsu, Kousuke Kawajiri, Seiken Hashimoto, Hiroyuki Morita | 2005-02-15 |