Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Haoquan Yan

Lam Research: 1 patents #103 of 349Top 30%
Fremont, CA: #762 of 1,880 inventorsTop 45%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #438,135 of 548,734Top 80%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11031215 Vacuum pump protection against deposition byproduct buildup John Drewery, Tom A. Kamp, John Daugherty, Ali Sucipto Tan, Ming-Kuei Tseng +1 more 2021-06-08