IC

Ivan D. Chapman

General Motors: 2 patents #438 of 2,119Top 25%
📍 Rochester, MI: #20 of 87 inventorsTop 25%
🗺 Michigan: #2,033 of 10,747 inventorsTop 20%
Overall (2019): #164,054 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10522847 Seal contact pressure uniformity by inserting connection at bead corners Liang Xi, Xi Yang, Siguang Xu 2019-12-31
10211473 Reduction of pressure variation with stamped embossment at bead neighbors Xi Yang, Siguang Xu, Liang Xi 2019-02-19