CK

Choul Joo Ko

DC Dongbu Electronics, Co.: 3 patents #1 of 17Top 6%
DC Dongbu Hitek Co.: 1 patents #52 of 158Top 35%
Overall (2011): #29,561 of 364,097Top 9%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8063446 LDMOS device and method for manufacturing the same 2011-11-22
7944002 Semiconductor device and method for fabricating the same 2011-05-17
7923777 Power semiconductor device and method for manufacturing the same Nam Joo Kim 2011-04-12
7910466 Method of manufacturing high-voltage semiconductor device and low-voltage semiconductor device 2011-03-22