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Overall (All Time): #3,277,181 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7652865 Earthing device which needs not be buried under ground Jea Wook Woo, Jin Seok Huh, Seungjoon Ahn, Seong Joon AHN, Chul Geun Park +2 more 2010-01-26