JN

Jia Na

BC Beijing Chj Automotive Technology Co.: 4 patents #2 of 5Top 40%
Overall (All Time): #1,175,879 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D841574 Battery Donghui Ma, Xiangqi Wang 2019-02-26
D834999 Motor vehicle Donghui Ma 2018-12-04
D830939 Wheel hub Donghui Ma 2018-10-16
D830270 Wheel hub Donghui Ma 2018-10-09