Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433107 | Polyisoprene rubber compositions | Mitsuhiko Sakakibara, Nobuo Tagata, Masaki Ogawa, Yasushi Hirata, Shigeru Tomihira | 1984-02-21 |
| 4397994 | High vinyl polybutadiene or styrene-butadiene copolymer | Yoshito Yoshimura, Noboru Ohshima, Mitsuhiko Sakakibara, Akira Tsuji | 1983-08-09 |
| 4367325 | Styrene-butadiene random copolymer and process for the production thereof | Noboru Ohshima, Mitsuhiko Sakakibara, Funio Tsutsumi | 1983-01-04 |
| 4340685 | Process for preparing polybutadiene having a 1,2-configuration content of 5-40% and a cis-1,4-configuration content of 60% or more | Yutaka Obata, Noboru Ohshima, Tooru Shibata, Kaoru Nakako | 1982-07-20 |
| 4255543 | Process for the preparation of 1,2-polybutadiene | Kenya Makino, Toshio Miyabayashi, Noboru Ohshima | 1981-03-10 |
| 4182813 | Process for the preparation of 1,2-polybutadiene | Kenya Makino, Koei Komatsu, Masayuki Endo | 1980-01-08 |