Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8836896 | Optical sheet for controlling the direction of a light ray | Jun-Sang Park, Jeong-Tae Seo, Sang Hoon Lee, Tae Yong Ryu | 2014-09-16 |
| 8616755 | Light guide plate for surface light source device and backlight unit using the same | Sang Pil Kim, Chang Ik Hwang, Sang Hoon Lee, Jun-Sang Park, Kwang Soo Kim | 2013-12-31 |
| 8510951 | Method for producing a lens pattern on roll | Sang Hoon Lee, Jun-Sang Park, Tae Yong Ryu | 2013-08-20 |
| 7622524 | Preparation of acrylic polymer sol for coating | Dae Jin Kim, Guo-Jun Wang, Chung Seock Kang, Young-Bum Kim | 2009-11-24 |