Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5873987 | Reactivation of active cathode | Shinji Katayama | 1999-02-23 |
| 4622113 | Process for producing caustic alkalis | Takao Satoh, Masaki Murakami, Nobuhiro Kawasaki, Shinji Katayama | 1986-11-11 |
| 4417970 | Electrolytic cell for ion exchange membrane method | Kenzo Yamaguchi, Tadao Ikegami, Isao Kumagai | 1983-11-29 |
| 4409084 | Electrolytic cell for ion exchange membrane method | Kenzo Yamaguchi, Tadao Ikegami | 1983-10-11 |
| 4317709 | Apparatus for electrolyzing an aqueous solution | Yoshitugu Shinomiya | 1982-03-02 |
| 4295953 | Filter press type ion exchange membrane-method electrolysis cell | Shigeaki Fuseya | 1981-10-20 |
| 4194670 | Method of making a bipolar electrode | Tadao Ikegami | 1980-03-25 |