Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4762897 | Process for recovering a mixture of unreacted ethylene and propylene | Tadashi Asanuma, Tatuo Ohoka | 1988-08-09 |
| 4742131 | Method of controlling polymerization temperature | Tadashi Asanuma, Mitsuru Ito, Kaneo Ito, Akihiko Nakajima | 1988-05-03 |
| 4729772 | Separation method of polymer powder and carrier gas | Tadashi Asanuma, Kaneo Ito, Akihiko Nakajima | 1988-03-08 |
| 4659755 | Method of continuously operating a counter-flow washing column | Tadashi Asanuma, Tatuo Ohoka | 1987-04-21 |