Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678581 | Polymethyl methacrylate hollow fiber type ultrafiltration membrane and process for preparation of the same | Tatsuo Nogi, Kazumi Tanaka | 1987-07-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678581 | Polymethyl methacrylate hollow fiber type ultrafiltration membrane and process for preparation of the same | Tatsuo Nogi, Kazumi Tanaka | 1987-07-07 |