DC

Doo Yun Chung

SC Semcns Co.: 1 patents #4 of 14Top 30%
UN Unitest: 1 patents #13 of 30Top 45%
Overall (All Time): #1,967,106 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10119994 Probe card having lead part for removing excessive solder Yong-Seok Choi, Dae Hyeong Lee 2018-11-06
7285967 Probe card having deeply recessed trench and method for manufacturing the same Bong-Hwan Kim, Kukjin Chun, Chi Hwan Jeong 2007-10-23