Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833426 | Halogenated aromatic compound, (co)polymer thereof, and proton-conductive membrane comprising same | Masayuki Takahashi, Kohei Goto | 2004-12-21 |
| 6825310 | Halogenated aromatic compound, polymer thereof, and proton-conductive membrane comprising same | Kohei Goto, Masayuki Takahashi, Makoto Higami | 2004-11-30 |
| 6812290 | Polyarylene copolymers and proton-conductive membrane | Kohei Goto, Mayumi Kakuta, Igor Rozhanskii | 2004-11-02 |
| 6794480 | Monomer containing electron-withdrawing group and electron-donative group, and copolymer and proton-conductive membrane comprising same | Kohei Goto, Masayuki Takahashi, Makoto Higami | 2004-09-21 |