Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751265 | Production of propylene block copolymer | Tadashi Asanuma, Ichiro Fujio, Nobutaka Uchikawa | 1988-06-14 |
| 4581426 | Process for polymerization of .alpha.-olefins and catalysts therefor | Tadashi Asanuma | 1986-04-08 |
| 4468257 | Washing and removal method of high molecular substances | Masahiro Kaneko, Tadashi Asanuma, Nobutaka Uchikawa, Ichiro Fujio | 1984-08-28 |
| 4409378 | Process for polymerization of .alpha.-olefins and catalysts therefor | Tadashi Asanuma, Nobutaka Uchikawa | 1983-10-11 |
| 4220745 | Process for polymerization of .alpha.-olefins | Takao Tanaka, Tadashi Asanuma, Akira Ito | 1980-09-02 |
| 4184036 | Method for recovering atactic polypropylene | Tatuo Ooka, Takashi Kobayashi, Kazuo Hagiwara, Hideo Sadotomo | 1980-01-15 |