QZ

Qinhua ZHANG

UN Unknown: 1 patents #306 of 3,153Top 10%
Overall (2022): #295,923 of 548,613Top 55%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11452337 Walking-assisted air-jet insole Jinzhou Wang 2022-09-27