GD

Gouzhong Du

SC Shenzhen Grandsun Electronic Co.: 1 patents #42 of 75Top 60%
Overall (All Time): #2,854,010 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10271126 Earphone noise reduction method and apparatus Yanan Song, Haiquan Wu, Ruiwen Shi, Xinian Geng, Jiayun Xu 2019-04-23