Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777088 | Heat-resistant SAN resin, method of producing the same and heat-resistant SAN resin composition comprising the same | Eun Jung Choi, Da-Eun Sung, Chang Hun Han | 2017-10-03 |
| 9690027 | Optical film and method of preparing same | Chang Hun Han, Jung-A Yoo, Song Taek Oh | 2017-06-27 |
| 9670352 | Retardation film and a liquid-crystal display device comprising the same | Byoung-Kue Chun, Chang Hun Han, Su-Kyung Kim, Da-Eun Sung | 2017-06-06 |