JH

Jinqun He

BC Beijing Sevenstar Electronics Co.: 2 patents #3 of 27Top 15%
Overall (All Time): #2,001,079 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9275880 Liquid replenishing device Guochao Chu, Yingying Wang, Likun Pei 2016-03-01
8794257 Liquid storage device Likun Pei, Yi Wu, Wei Zan 2014-08-05