Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6855446 | Fuel cell, separator for fuel cell, and manufacturing method of separator | Keiji Hashimoto, Masanao Shiomi, Kousuke Kawajiri, Seiken Hashimoto, Hiroyuki Morita | 2005-02-15 |