YZ

YUN-ZHI ZHANG

Foxconn: 1 patents #3,106 of 5,504Top 60%
HC Hongfujin Precision Electronics (Zhengzhou) Co.: 1 patents #60 of 159Top 40%
Overall (All Time): #2,870,366 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9859072 Waterproof button and electronic device using same Yu Rong, Xi Luo 2018-01-02