Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6680138 | Proton-conducting membrane, method for producing the same, and fuel cell using the same | Itaru Honma, Toshiya Sugimoto, Osamu Nishikawa | 2004-01-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6680138 | Proton-conducting membrane, method for producing the same, and fuel cell using the same | Itaru Honma, Toshiya Sugimoto, Osamu Nishikawa | 2004-01-20 |