Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179156 | Rubber composition | Hiroyuki Harada, Kiyoyuki Sugimori, Nobuyuki Yoshida, Masahiro Fukuyama, Hideaki Yamada +1 more | 1993-01-12 |
| 5118773 | Rubber composition | Hiroyuki Harada, Kiyoyuki Sugimori, Nobuyuki Yoshida, Masahiro Fukuyama, Hideaki Yamada +1 more | 1992-06-02 |
| 5037891 | Modified ethylene-.alpha.-olefin copolymer rubber and a process for producing the same | Akio Imai, Mitsuji Tsuji | 1991-08-06 |
| 5015692 | Process for preparing modified diene polymer rubbers | Akio Imai, Tomoaki Seki, Mitsuji Tsuji | 1991-05-14 |
| 4987199 | Ethylene-acrylic acid ester copolymer and process for producing the same | Nobuyuki Yoshida, Kiyosi Ikeda, Masahiro Fukuyama | 1991-01-22 |
| 4957976 | Process for preparing diene polymer rubbers | Akio Imai, Tomoski Seki, Mitsuji Tsuji | 1990-09-18 |
| 4942223 | Process for separating a polymer from a solution containing the same | Yoshio Inoue, Hirotami Yamazaki | 1990-07-17 |
| 4918142 | Rubber composition of tire tread containing block copolymer coupled with dicarboxylic acid ester | Yuichi Saito, Takuzoh Yabuta, Akio Imai, Mitsuji Tsuji | 1990-04-17 |
| 4889881 | Ethylene-.alpha.-olefin vulcanized rubber composition | Yoshio Tanimoto, Kiyosi Ikeda | 1989-12-26 |
| 4885338 | Modified diene polymer rubbers | Akio Imai, Tomoaki Seki | 1989-12-05 |
| 4820774 | Elastomer composition | Yoshio Tanimoto, Kiyosi Ikeda, Masahiro Fukuyama | 1989-04-11 |
| 4812527 | Rubber composition for tire treads containing dicarboxylic acid diester coupled block polymers | Nabuyuki Yoshida, Akio Imai, Mitsuji Tsuji, Yuichi Saito | 1989-03-14 |
| 4647614 | Diene elastomer compositions | Nobuyuki Yoshida, Akio Imai | 1987-03-03 |
| 4537936 | Diene rubber composition, method of preparing the same and tire employing said composition | Keisaku Yamamoto, Akio Imai, Nobuyuki Yoshida, Hiroshi Furukawa, Yuichi Saito +1 more | 1985-08-27 |
| 4436873 | Conjugated diene block polymer and process for preparing the same | Hiroshi Furukawa, Yuichi Saito, Akio Imai, Keisaku Yamamoto, Nobuyuki Yoshida | 1984-03-13 |
| 4407989 | Process for the separation treatment of polymer from polymer solution | Yoshio Inoue | 1983-10-04 |