CH

Chang Woo Ha

DC Dongbu Hitek Co.: 1 patents #52 of 158Top 35%
Samsung: 1 patents #3,826 of 8,673Top 45%
📍 Seoul, KR: #791 of 3,741 inventorsTop 25%
Overall (2011): #108,370 of 364,097Top 30%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8054123 Fast differential level shifter and boot strap driver including the same Seung Hun Hong 2011-11-08
8018177 Dimming buck type LED driving apparatus Bon Ahm Goo, Byoung Own Min, Young Jin Lee, Jeong In Cheon 2011-09-13