Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508603 | Fluorinated cation exchange membrane and use thereof in electrolysis of an alkali metal halide | Tatsuro Asawa, Masaaki Yamabe, Haruhisa Miyake | 1985-04-02 |
| 4277586 | Process for preparing a propylene-tetrafluoroethylene copolymer | Masaaki Yamabe, Hiroaki Kojima | 1981-07-07 |
| 4255523 | Cation exchange membrane of fluorinated polymer for electrolysis and preparation thereof | Tatsuro Asawa, Tomoki Gunjima | 1981-03-10 |
| 4218542 | Cation exchange membrane of fluorinated polymer containing polytetrafluoroethylene fibrils for electrolysis and preparation thereof | Tatsuro Asawa, Tomoki Gunjima | 1980-08-19 |
| 4209635 | Process for producing perfluorinated vinyl ether having ester group | Seiji Munekata, Masaaki Yamabe, Isamu Kaneko | 1980-06-24 |