JY

Jun Yong YUN

EC Ehwa Diamond Industrial Co.: 3 patents #10 of 49Top 25%
Overall (All Time): #1,439,953 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11136831 Mining bit and method of manufacturing the bit Ki-Ho Kim, Hee-Dong Park 2021-10-05
10871038 Drill bit for drilling and method for manufacturing same Ki-Ho Kim 2020-12-22
10605007 Drill bit for drilling and method for manufacturing same Ki-Ho Kim 2020-03-31