Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Darrell Ehrlich — 2 Patents in 2024

Lam Research: 2 patents #62 of 408Top 20%
San Jose, CA: #1,645 of 6,779 inventorsTop 25%
California: #13,937 of 67,048 inventorsTop 25%
Overall (2024): #174,591 of 561,600Top 35%
2 Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12131890 Chuck for plasma processing chamber Ann Erickson 2024-10-29
11967517 Electrostatic chuck with ceramic monolithic body Feng Wang, Keith Gaff, Christopher Kimball 2024-04-23