Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245007 | Method for purifying ethylene-.alpha.-olefin copolymer | Keisaku Yamamoto, Kizuku Wakatsuki, Hayato Saba, Katsunari Inagaki | 1993-09-14 |
| 5191041 | Catalyst for olefinic hydrocarbon polymerization and process and producing olefinic hydrocarbon polymer | Hayato Saba, Keisaku Yamamoto, Akio Imai, Kizuku Wakatsuki | 1993-03-02 |
| 5179156 | Rubber composition | Hiroyoshi Takao, Hiroyuki Harada, Nobuyuki Yoshida, Masahiro Fukuyama, Hideaki Yamada +1 more | 1993-01-12 |
| 5122493 | Catalyst for olefinic hydrocarbon polymerization and process for producing olefinic hydrocarbon polymer | Hayato Saba, Keisaku Yamamoto, Akio Imai, Kizuku Wakatsuki | 1992-06-16 |
| 5118773 | Rubber composition | Hiroyoshi Takao, Hiroyuki Harada, Nobuyuki Yoshida, Masahiro Fukuyama, Hideaki Yamada +1 more | 1992-06-02 |
| 5082908 | Ethylene-.alpha.-olefin copolymer and process for producing the same | Akio Imai, Keisaku Yamamoto, Minoru Takane | 1992-01-21 |
| 4981760 | Ethylene-alpha-olefin copolymer and films obtained therefrom | Yukio Naito, Kohzoh Miyazaki, Yuji Gotoh, Masashi Hamba, Akio Imai | 1991-01-01 |