Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4371487 | Process for the production of a hollow fiber semipermeable membrane | Zitumi Takata, Katuhisa Numata | 1983-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4371487 | Process for the production of a hollow fiber semipermeable membrane | Zitumi Takata, Katuhisa Numata | 1983-02-01 |