Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7482412 | Process for manufacturing cycloolefin addition polymer | Nobuyuki Sakabe | 2009-01-27 |
| 7056999 | Cycloolefin copolymer formed by ring-opening polymerization, process for producing the same, and optical material | Takashi Imamura, Noboru Oshima | 2006-06-06 |
| 7015293 | Cycloolefin addition copolymer and optical transparent material | Noboru Oshima, Tatsuya Sakai, Takashi Tsubouchi | 2006-03-21 |
| 6992154 | Cyclic olefin addition copolymer and process for producing same, crosslinking composition, crosslinked product and process for producing same, and optically transparent material and application thereof | Noboru Oshima, Yooichiroh Maruyama, Michitaka Kaizu, Katsutoshi Sawada, Toshihiro Hayashi | 2006-01-31 |
| 6911507 | Processes for producing cycloolefin addition polymer | Noboru Oshima, Takashi Imamura, Takashi Tsubouchi | 2005-06-28 |
| 6844403 | CYCLIC OLEFIN ADDITION COPOLYMER AND PROCESS FOR PRODUCING SAME, CROSSLINKING COMPOSITION, CROSSLINKED PRODUCT AND PROCESS FOR PRODUCING SAME, AND OPTICALLY TRANSPARENT MATERIAL AND APPLICATION THEREOF | Noboru Oshima, Yooichiroh Maruyama, Michitaka Kaizu, Katsutoshi Sawada, Toshihiro Hayashi | 2005-01-18 |
| 6639021 | Composition of cyclic olefin addition copolymer and cross-linked material | Noboru Oshima, Yooichiroh Maruyama, Nobuyuki Sakabe, Katsutoshi Sawada, Yuuichi Hashiguchi +2 more | 2003-10-28 |