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BC Bestechnic (Shanghai) Co.: 1 patents #25 of 33Top 80%
Overall (All Time): #4,136,627 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
10410654 Active noise control headphones Weifeng Tong, Mingliang Xu, Liang Zhang, Lei Yang 2019-09-10