Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337326 | Process for producing propylene-ethylene block copolymers | Masahiro Kakugo, Hajime Sadatoshi, Kazuki Wakamatsu, Hiroshi Yoshioka | 1982-06-29 |
| 4304892 | Olefin polymerization catalyst | Yoshiharu Fukui, Kazuhiro Matsumura, Toshio Sasaki, Masahisa Okawa | 1981-12-08 |
| 4283463 | Molded products of polypropylene | Kiyoshi Matsuyama, Masahiro Kakugo, Yukio Naito, Seiichiro Ima | 1981-08-11 |
| 4279776 | Catalyst system | Yoshiharu Fukui, Katsumi Hanji, Toshio Sasaki, Masahisa Okawa, Hideaki Matsuura +1 more | 1981-07-21 |
| 4273905 | Process for producing propylene polymer or copolymer | Mamoru Asada, Kiyoshi Matsuyama, Masahiro Kakugo | 1981-06-16 |
| 4259461 | Process for producing propylene-ethylene block copolymers | Masahiro Kakugo, Yoshiharu Fukui, Koji Yamada, Hajime Sadatoshi, Kazuki Wakamatsu +1 more | 1981-03-31 |
| 4254237 | Process for producing propylene-ethylene block copolymers | Masahiro Kakugo, Hajime Sadatoshi, Kazuki Wakamatsu, Hiroshi Yoshioka | 1981-03-03 |
| 4246135 | Olefin polymerization catalyst | Yoshiharu Fukui, Kazuhiro Matsumura, Toshio Sasaki, Masahisa Okawa | 1981-01-20 |
| 4243786 | Catalysts for the polymerization of olefins | Yoshiharu Fukui, Kazuhiro Matsumura, Toshio Sasaki, Masahisa Okawa | 1981-01-06 |
| 4235984 | Process for producing highly stereoregular .alpha.-olefin polymers | Yoshiharu Fukui, Katsumi Hanji, Toshio Sasaki, Masahisa Okawa, Hideaki Matsuura +1 more | 1980-11-25 |
| 4217432 | Process for the polymerization of olefins | Yoshiharu Fukui, Kazuhiro Matsumura, Toshio Sasaki, Masahisa Ohkawa | 1980-08-12 |
| 4195145 | Process for the purification of highly crystalline polyolefins | Kiyoshi Matsuyama, Masahiro Kakugo, Takatoshi Suzuki | 1980-03-25 |
| 4183824 | Catalysts for the polymerization of olefins | Yoshiharu Fukui, Kazuhiro Matsumura, Toshio Sasaki, Masahisa Okawa | 1980-01-15 |
| 4182852 | Process for refining a homopolymer of copolymer of propylene | Kiyoshi Matsuyama, Masahiro Kakugo, Takatoshi Suzuki | 1980-01-08 |