KR

Kwan Young Ryu

WC Woongjin Chemical Co.: 2 patents #4 of 25Top 20%
📍 Seoul, KR: #18,030 of 39,741 inventorsTop 50%
Overall (All Time): #2,104,760 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7913857 Selective membrane having a high fouling resistance Ja-Young Koo, Sung-pyo HONG, Jong-Hwa Lee 2011-03-29
7537697 Selective membrane having a high fouling resistance Ja-Young Koo, Sung-pyo HONG, Jong-Hwa Lee 2009-05-26