JK

Jung Chan Ko

Overall (All Time): #2,139,825 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7605186 Non-acidic, non-basic colloid solution containing dispersed titanium dioxide method of manufacturing the same, and coating material comprising the colloid solution Hoon Chung, Tae Man Son, Kyoung Chul Lee 2009-10-20
7177509 Large-scale image display apparatus using optical fiber 2007-02-13