Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358378 | Selective permeable membranes and process for preparing the same | Akio Iwama, Yoshitaka Kazuse | 1982-11-09 |
| 4326960 | Tubular permselective membrane module and method | Shigetoshi Matsumoto | 1982-04-27 |