Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4654435 | Process for addition reaction of unsaturated organic compounds | Shizuo Kitahara, Yoshitsugu Hirokawa, Toshihiro Fujii, Nagatoshi Sugi, Hiroaki Hasegawa +1 more | 1987-03-31 |
| 4647625 | Process for modifying conjugated diene polymers | Mitsuyoshi Aonuma, Hiroyuki Watanabe, Kohkichi Noguchi, Akio Ueda, Shuichi Akita +2 more | 1987-03-03 |
| 4412031 | Modified rubber composition employing a compound containing a carboxyl and an aldehyde group | Shizuo Kitahara, Yoshitsugu Hirokawa, Toshihiro Fujii, Nagatoshi Sugi, Hiroaki Hasegawa +1 more | 1983-10-25 |
| 4412041 | Process for modifying rubbers employing a compound containing a carboxyl and an aldehyde group | Shizuo Kitahara, Yoshitsugu Hirokawa, Toshihiro Fujii, Nagatoshi Sugi, Hiroaki Hasegawa +1 more | 1983-10-25 |