Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981760 | Ethylene-alpha-olefin copolymer and films obtained therefrom | Kohzoh Miyazaki, Yuji Gotoh, Masashi Hamba, Akio Imai, Kiyoyuki Sugimori | 1991-01-01 |
| RE32542 | Molded products of polypropylene | Akinobu Shiga, Kiyoshi Matsuyama, Masahiro Kakugo, Seiichiro Ima | 1987-11-10 |
| 4514512 | Method for the production of solid titanium trichloride catalyst | Akinobu Shiga, Toshio Sasaki, Junpei Kojima, Hiroshi Yoshioka, Akira Nunose | 1985-04-30 |
| 4461881 | Process for the production of purified propylene homopolymers or copolymers | Akinobu Shiga, Kiyoshi Matsuyama, Masahiro Kakugo, Takatoshi Suzuki | 1984-07-24 |
| 4414373 | Propylene-ethylene copolymer having improved stretchability | Akinobu Shiga, Kiyoshi Matsuyama, Masahiro Kakugo, Seiichiro Ima, Katsuyoshi Yamashita | 1983-11-08 |
| 4412049 | Process for producing highly stereoregular .alpha.-olefin polymers | Akinobu Shiga, Toshio Sasaki, Junpei Kojima, Hiroshi Yoshioka | 1983-10-25 |
| 4367322 | Process for producing propylene copolymer | Akinobu Shiga, Kiyoshi Matsuyama, Masahiro Kakugo, Akira Nunose, Masaharu Nishioka | 1983-01-04 |
| 4355144 | Process for producing a propylene-ethylene copolymer having improved stretchability | Akinobu Shiga, Kiyoshi Matsuyama, Masahiro Kakugo, Seiichiro Ima, Katsuyoshi Yamashita | 1982-10-19 |
| 4283463 | Molded products of polypropylene | Akinobu Shiga, Kiyoshi Matsuyama, Masahiro Kakugo, Seiichiro Ima | 1981-08-11 |