Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7018060 | Light unit for display device | Chan Kim, Yong Joo JO | 2006-03-28 |
| 6549339 | Projection system | Dong Ha Kim | 2003-04-15 |
| 6478428 | Apparatus for projection display using reflection type LCD | Jong Su Yi, Dong Ha Kim, Yong Sik MOON, Kwang Joe Jeon, Jong Myung Park | 2002-11-12 |