YS

Yoon Ki SA

SC Semes Co.: 2 patents #274 of 991Top 30%
Overall (All Time): #1,860,620 of 4,157,543Top 45%
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Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11495467 Method and apparatus for etching thin layer Jung Suk GOH, Jae Seong LEE, Do Youn LIM, Kuk Saeng KIM, Young Dae CHUNG +12 more 2022-11-08
10777458 Method of filling a via hole and apparatus for performing the same Mong Ryong Lee 2020-09-15