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Defeng Bi

SC Shanghai Tianma Am-Oled Co.: 1 patents #57 of 111Top 55%
Overall (2020): #493,642 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10759802 Compound, preparation method thereof and organic light emitting display device Zhengchuan Zhang, Hao Dai 2020-09-01