Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4432920 | Process for the preparation of porous membrane | Norio Ishikawa, Morio Murayama | 1984-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4432920 | Process for the preparation of porous membrane | Norio Ishikawa, Morio Murayama | 1984-02-21 |