Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9133048 | Seawater desalination method | Satoru Ishihara, Yuuji Yamashiro | 2015-09-15 |
| 4687522 | Method for washing inner surface of tubular permeable membrane | Masahiko Hayashi | 1987-08-18 |
| 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 |