YS

Yang Chang Sun

SC Skc Co.: 1 patents #137 of 322Top 45%
📍 Hongbuk-eup, KR: #24 of 55 inventorsTop 45%
Overall (All Time): #3,820,475 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5198087 Method of making magneto-optical recording medium Jo Yung-Kuk, Jo Yong In 1993-03-30