Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820775 | Alpha-olefin block copolymer particles and process for the production thereof | Akinobu Shiga, Masahiro Kakugo, Hajime Sadatoshi, Hiroyuki Kora, Toshio Sasaki +2 more | 1989-04-11 |
| 4761392 | Catalyst system for polymerization of olefins | Akinobu Shiga, Toshio Sasaki | 1988-08-02 |
| 4645808 | Process for producing olefin polymer | Akinobu Shiga, Toshio Sasaki | 1987-02-24 |
| 4554264 | Process for producing .alpha.-olefin polymers using novel catalyst system | Akinobu Shiga, Toshio Sasaki, Akira Nunose | 1985-11-19 |
| 4551501 | Crystalline propylene polymer composition | Akinobu Shiga, Masahiro Kakugo, Kizuku Wakatsuki | 1985-11-05 |
| 4533706 | Catalyst and process using same for producing olefin polymer | Akinobu Shiga, Toshio Sasaki | 1985-08-06 |
| 4514512 | Method for the production of solid titanium trichloride catalyst | Akinobu Shiga, Yukio Naito, Toshio Sasaki, Hiroshi Yoshioka, Akira Nunose | 1985-04-30 |
| 4504637 | Olefin polymerization catalysts and process for producing olefin polymers by using such catalysts | Akinobu Shiga, Toshio Sasaki | 1985-03-12 |
| 4412049 | Process for producing highly stereoregular .alpha.-olefin polymers | Akinobu Shiga, Yukio Naito, Toshio Sasaki, Hiroshi Yoshioka | 1983-10-25 |