Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847412 | Illumination system in liquid crystal projector | Ho Joong Kang | 2005-01-25 |
| 6747709 | Optical system of liquid crystal projector using liquid crystal displays | Soon Hyung Kwon | 2004-06-08 |
| 6637891 | Optical system of liquid crystal projector | — | 2003-10-28 |
| 6439725 | Optical system of a liquid crystal projector for reducing total length of the system | — | 2002-08-27 |
| 5772299 | Optical apparatus for liquid crystal display projector | Hee Sool Koo | 1998-06-30 |