Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12164123 | Optical sheet and display device comprising same | Yong Jae Choe, Tae Hoon Kim, Kyoo Choong Cho | 2024-12-10 |
| 9157599 | Light emitting diode lighting system having haze-changeable film | Hyun Seok Cho, Hyung Joon Paik, Chang Ho Kang, Hyun Cheol Nam | 2015-10-13 |