Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203997 | Hydrophilic porous membrane, method of manufacturing the same and liquid filter using the same | Noriyuki Koyama, Yasushi Nemoto, Makoto Ohnishi | 1993-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203997 | Hydrophilic porous membrane, method of manufacturing the same and liquid filter using the same | Noriyuki Koyama, Yasushi Nemoto, Makoto Ohnishi | 1993-04-20 |