Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808313 | Liquid separation membrane for pervaporation | Akira Michizuki, Yoshio Sato, Syuzo Yamashita | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808313 | Liquid separation membrane for pervaporation | Akira Michizuki, Yoshio Sato, Syuzo Yamashita | 1989-02-28 |