Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985147 | Liquid separation membrane for pervaporation | Akira Mochizuki, Yoshio Sato, Syuzo Yamashita | 1991-01-15 |
| 4944881 | Liquid separation membrane for pervaporation | Akira Michizuki, Yoshio Sato, Syuzo Yamashita | 1990-07-31 |
| 4808313 | Liquid separation membrane for pervaporation | Akira Michizuki, Yoshio Sato, Syuzo Yamashita | 1989-02-28 |
| 4385656 | Method of manufacturing foundry sand molds | Hideo Takahashi, Keishiro Igi, Haruo Nakayasu | 1983-05-31 |
| 4330459 | Method of manufacturing foundry sand molds | Hideo Takahashi, Keishiro Igi, Haruo Nakayasu | 1982-05-18 |