XG

Xinian Geng

SC Shenzhen Grandsun Electronic Co.: 3 patents #18 of 75Top 25%
Overall (All Time): #1,466,765 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10283104 Method and apparatus for controlling earphone noise reduction Yanan Song, Haiquan Wu, Ruiwen Shi, Guozhong Du, Jiayun Xu 2019-05-07
10271126 Earphone noise reduction method and apparatus Yanan Song, Haiquan Wu, Ruiwen Shi, Gouzhong Du, Jiayun Xu 2019-04-23
9728204 Method and device for drawing a noise map Yanan Song, Haiquan Wu, Ruiwen Shi, Guozhong Du, Jiayun Xu 2017-08-08