Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
EC

Errong CHEN

Haiyan, CN: #2 of 7 inventorsTop 30%
Overall (All Time): #2,834,305 of 4,157,543Top 70%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10875113 Pot broaching tools and methods for remanufacture-forming pot broaching tools Ziyan Chen, Mingfeng PAN 2020-12-29