Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7449532 | Cycloolefin copolymer obtained by ring-opening polymerization, use thereof, and process for producing retardation plate comprising the copolymer | Motoki Okaniwa, Ichiro Kajiwara, Yoichiro Maruyama, Yuichi Hashiguchi | 2008-11-11 |