YC

Yidan Chang

HC Hitachi Construction Machinery Co.: 1 patents #56 of 127Top 45%
📍 Guelph, CA: #25 of 82 inventorsTop 35%
Overall (2020): #215,821 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10576981 Hand operated auxiliary drive and retard torque control — 2020-03-03