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SONGHUI CHEN

SB Signify Holding B.V.: 1 patents #720 of 1,458Top 50%
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Patent #TitleCo-InventorsDate
11982411 Filament based solid state lighting device Xiaogai Tian, XIURU WANG, Tungching Wu, Yanmeng Sun, Jiahua Yan 2024-05-14