HW

Haiquan Wu

SC Shenzhen Grandsun Electronic Co.: 5 patents #1 of 30Top 4%
Overall (2019): #18,774 of 560,194Top 4%
7
Patents 2019

Issued Patents 2019

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10511905 Method and system for dynamically enhancing low frequency based on equal-loudness contour Yuyun Liu, Xinlong Peng, Ruiwen Shi 2019-12-17
10499140 Speaker and headphone Weiyong Gong, Ruiwen Shi 2019-12-03
D859356 Headphone Sanfeng Hu, Kunyuan Gan, Xinlong Peng, Jiugao Peng, Ruiwen Shi 2019-09-10
10283104 Method and apparatus for controlling earphone noise reduction Yanan Song, Ruiwen Shi, Xinian Geng, Guozhong Du, Jiayun Xu 2019-05-07
10271126 Earphone noise reduction method and apparatus Yanan Song, Ruiwen Shi, Xinian Geng, Gouzhong Du, Jiayun Xu 2019-04-23
D840371 Wireless headset Fu Xiong, Shiwen Guo, Xin Yu, Ruiwen Shi, Jiugao Peng 2019-02-12
D839849 In ear wireless headset Ping Li, Xin Yu, Shiwen Guo, Ruiwen Shi 2019-02-05