JO

Jeong Sik OH

EC Enf Technology Co.: 3 patents #5 of 54Top 10%
📍 Yongin-si, KR: #4,099 of 9,683 inventorsTop 45%
Overall (All Time): #1,095,003 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12415955 Etchant composition for silicon layer and etching method using the same Hak Soo Kim, Gi-Young Kim, Myung Ho Lee, Myung Geun Song 2025-09-16
12173216 Etchant composition for semiconductor substrates Hak Soo Kim, Myung Ho Lee 2024-12-24
12134723 Etching composition Tae Ho Kim, Gi-Young Kim, Myung Ho Lee, Myung Geun Song 2024-11-05
12134724 Etching composition Tae Ho Kim, Gi-Young Kim, Myung Ho Lee, Myung Geun Song 2024-11-05