YC

Yong Cheol Chu

DC Duksan Hi-Metal Co.: 2 patents #4 of 11Top 40%
📍 Ulsan, KR: #286 of 1,040 inventorsTop 30%
Overall (All Time): #1,908,384 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10661394 Metal core solder ball and heat dissipation structure for semiconductor device using the same Hyun Kyu Lee, Jung Ug Kwak, Seung Jin Lee, Sang-Ho Jeon, Yong Sik CHOI 2020-05-26
8221560 Lead free solder alloy Kang-Hee Kim, Myoung Ho Chun, Sang-Ho Jeon, Hyun Kyu Lee 2012-07-17