DC

Dong Sook Chang

SH Sk Hynix: 4 patents #1,631 of 4,849Top 35%
📍 Icheon-si, KR: #358 of 680 inventorsTop 55%
Overall (All Time): #1,219,193 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8716779 Flash memory device and mask for fabricating the same Mi Hye Kim 2014-05-06
8236697 Method for manufacturing semiconductor device Hyoung Soon Yune 2012-08-07
8045139 Exposure apparatus capable of asymmetrically adjusting light intensity Byeong Ho Cho 2011-10-25
8029949 Photomask for forming contact hole in semiconductor device Hyun Jo Yang 2011-10-04