Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9268066 | Complex prism sheet | Chang Won Park, Kyung Jong Kim, Tae Kyung Kim, Eui Young Shin, Hong Gu Hwang | 2016-02-23 |
| 9051443 | Optical sheet | Kyung Jong Kim, Sung Chul Jeong | 2015-06-09 |
| 8939596 | Condensing type optical sheet | Hyun Soo Lee, Chung Seock Kang | 2015-01-27 |