Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230757 | Lenticular sheet and transmission type screen using the same | Jong-Hun Kim, Sang Choll Han | 2007-06-12 |
| 6937393 | Projection television screen | Jeong-Su Yu, Young Ki Park | 2005-08-30 |