Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4693796 | Method for manufacturing cation exchange membrane | Toru Seita, Takao Satoh | 1987-09-15 |
| 4431504 | Cation-exchange membrane for electrolyzing alkali metal halide | Toru Seita, Takao Satoh | 1984-02-14 |
| 4316781 | Method for electrolyzing alkali metal halide | Toru Seita, Takao Satoh | 1982-02-23 |
| 4248848 | Dihydrate of calcium hypochlorite and method for manufacture thereof | Tsugio Murakami, Kazushige Igawa | 1981-02-03 |
| 4208389 | Purification of phosphoric acid | Yoichi Hiraga | 1980-06-17 |