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WC Woongjin Chemical Co.: 1 patents #11 of 25Top 45%
Overall (All Time): #3,044,244 of 4,157,543Top 75%
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Patent #TitleCo-InventorsDate
8986832 Optical-modulation object Yeon-Soo Kim, Deog Jae Jo, Jin-Soo Kim, Do Hyun Kim 2015-03-24