Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9081132 | Adhesive film for a reflection sheet and reflection sheet using the same | Sang Hoon Lee, Chang Ik Hwang, Sang Pil Kim | 2015-07-14 |
| 7507470 | Diffusion sheet for TFT-LCD | Sang Pil Kim | 2009-03-24 |
| 7379246 | Light-diffusing film | Sang Pil Kim, In Sik Jung, Jun-Sang Park | 2008-05-27 |