YC

Yidan Chang

HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
📍 Guelph, CA: #360 of 736 inventorsTop 50%
Overall (All Time): #2,777,925 of 4,157,543Top 70%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

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