XG

Xinian Geng

SC Shenzhen Grandsun Electronic Co.: 2 patents #6 of 30Top 20%
Overall (2019): #106,475 of 560,194Top 20%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 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