Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805989 | Separator for solid polymer electrolyte fuel cell and process for producing the same | Tatsuya Tonogi, Tsutomu Yamanaka | 2004-10-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805989 | Separator for solid polymer electrolyte fuel cell and process for producing the same | Tatsuya Tonogi, Tsutomu Yamanaka | 2004-10-19 |