Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663013 | Cation exchange membrane | Makoto Kataoka, Yuji Kinoshita | 1987-05-05 |
| 4417970 | Electrolytic cell for ion exchange membrane method | Kenzo Yamaguchi, Teruo Ichisaka, Tadao Ikegami | 1983-11-29 |