YZ

Yongfeng Zhang

BO BOE: 1 patents #1,240 of 2,789Top 45%
📍 Hunan, CA: #12 of 14 inventorsTop 90%
Overall (2019): #208,019 of 560,194Top 40%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10316402 Crucible and vacuum evaporation device — 2019-06-11