Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35289 | Process for production of styrene polymers | Nobuhide Ishihara, Masahiko Kuramoto | 1996-07-02 |
| 5502133 | Syndiotactic styrene polymers | Nobuhide Ishihara, Masahiko Kuramoto | 1996-03-26 |
| 5252693 | Syndiotactic styrene polymers | Nobuhide Ishihara, Masahiko Kuramoto | 1993-10-12 |
| 5202402 | Styrene copolymer and process for producing said copolymer | Keisuke Funaki, Masakazu Abe | 1993-04-13 |
| 5189125 | Process for producing syndiotactic styrene copolymer | Nobuhide Ishihara, Masahiko Kuramoto | 1993-02-23 |
| 4990580 | Process for production of styrene polymers | Nobuhide Ishihara, Masahiko Kuramoto | 1991-02-05 |
| 4843135 | Process for production of ethylene copolymers | Masato Tanaka, Syuji Machida | 1989-06-27 |
| 4833224 | Ethylene copolymers and process for production | Masato Tanaka, Syuji Machida | 1989-05-23 |
| 4680353 | Process for production of styrene polymers | Nobuhide Ishihara, Masahiko Kuramoto | 1987-07-14 |
| 4564647 | Process for the production of polyethylene compositions | Hiroshi Hayashi, Koichi Matono, Satoshi Asahi | 1986-01-14 |