Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8950870 | Projection display device for projecting an input unit image | Ho Joong Kang, Seung Gyu Lee, Oh Jin Kweon | 2015-02-10 |
| 8633892 | Projection display device having a light combining unit | Ho Joong Kang, Seung Gyu Lee, Oh Jin Kweon | 2014-01-21 |
| 7154561 | Sharpness improvement apparatus for video signals | — | 2006-12-26 |