Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11220129 | Decoration sheet having discontinuous lenticular lens | Hee-Young Lim, Sang Hyun Park, Chang Ho Kang, Seong Do Kim, Hyun Kyung Kwon | 2022-01-11 |
| 9157599 | Light emitting diode lighting system having haze-changeable film | Hyun Seok Cho, Hyo Gil Cha, Chang Ho Kang, Hyun Cheol Nam | 2015-10-13 |