Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4181694 | Method for producing hollow fibers of acrylonitrile polymers for ultrafilter | Yasuo Hashino, Masatsugu Yoshino, Hitoshi Sawabu | 1980-01-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4181694 | Method for producing hollow fibers of acrylonitrile polymers for ultrafilter | Yasuo Hashino, Masatsugu Yoshino, Hitoshi Sawabu | 1980-01-01 |