YC

Yifan Chen

Ford: 1 patents #113 of 650Top 20%
📍 Xi'an, MI: #2 of 2 inventorsTop 100%
Overall (1997): #56,900 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5627646 Method for locating flaws in a smooth surface of an object Paul Stewart 1997-05-06