Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938941 | Cation-exchange fluorinated membrane for electrolysis and process for producing the same | Toshinori Hirano, Hiroshi Nakayama | 2011-05-10 |
| 5264090 | Method for the electrolysis of an alkali metal chloride using a cation exchange membrane | Tatsuo Hiyoshi | 1993-11-23 |
| 5087345 | Cation exchange membrane having high stability | Tatsuo Hiyoshi | 1992-02-11 |
| 4426271 | Homogeneous cation exchange membrane having a multi-layer structure | Mitsuo Yoshida, Yoshinori Masuda | 1984-01-17 |
| 4323434 | Process for electrolysis of alkali chloride | Mitsuo Yoshida, Yoshinori Masuda | 1982-04-06 |