SF

Siqin Feng

J( Jrd Communication (Shenzhen): 1 patents #6 of 44Top 15%
Overall (2020): #270,967 of 565,922Top 50%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10674249 External speaker assembly and audio apparatus Zhihua Wu, Xiulu Jin, Linfang Li, Wenfei Wu 2020-06-02