AC

A Youn Cho

OC Oci Company: 1 patents #33 of 112Top 30%
Overall (All Time): #4,148,595 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10475646 Process for producing of polycrystalline silicon Chang Ryol Kim, Ja Cheol Koo, Yong Chul Shin 2019-11-12