YZ

Yongzhi Zhang

📍 Tianjin, MA: #4 of 9 inventorsTop 45%
Overall (2018): #180,138 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10066418 Changeable combined mechanical key Naizhong Chen, Yuan Du, Xixiang Ding 2018-09-04