Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812290 | Polyarylene copolymers and proton-conductive membrane | Kohei Goto, Yoshitaka Yamakawa, Mayumi Kakuta | 2004-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812290 | Polyarylene copolymers and proton-conductive membrane | Kohei Goto, Yoshitaka Yamakawa, Mayumi Kakuta | 2004-11-02 |