JH

Jinqun He

BC Beijing Sevenstar Electronics Co.: 1 patents #2 of 11Top 20%
Overall (2016): #356,250 of 481,213Top 75%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9275880 Liquid replenishing device Guochao Chu, Yingying Wang, Likun Pei 2016-03-01