JO

Jeong Sik OH

EC Enf Technology Co.: 1 patents #1 of 20Top 5%
📍 Yongin-si, KR: #1,189 of 2,578 inventorsTop 50%
Overall (2025): #347,889 of 469,880Top 75%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 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