Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6013182 | Selectively permeable hollow fiber membrane and process for producing same | Shingo Emi, Shoji Mizutani | 2000-01-11 |
| 4913864 | Process for preparation of porous hollow filament | Nobuo Taneda | 1990-04-03 |