Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9088009 | Resin composition, optical film and organic light emitting display device | Chang Hun Han | 2015-07-21 |
| 8911854 | Optical film and a production method therefor | Chang Hun Han, Chan-Hong Lee, Dae Woo Lee, Jae Bum SEO, Sang-Seop Kim | 2014-12-16 |