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Kay Yk Yin

PB Philips Lighting Holding B.V.: 1 patents #438 of 962Top 50%
Overall (All Time): #2,897,807 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
D822257 Spot LED lamp Bao Wang, Huan-Chang Huang, Li Cheng 2018-07-03