SC

Sang Um Choi

LG: 3 patents #10,792 of 26,165Top 45%
Overall (All Time): #1,605,545 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6771320 Contrast enhancement apparatus of video signal — 2004-08-03
6658165 Contrast enhancing apparatus for video signal — 2003-12-02
5999226 Dual-screen apparatus capable of preventing jitter and screen cutoff — 1999-12-07