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USPTO Patent Rankings Data through Dec 31, 2025
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Christopher C. Murphy — 4 Patents in 2024

PSPsemi: 4 patents #10 of 80Top 15%
Lake Zurich, IL: #3 of 51 inventorsTop 6%
Illinois: #541 of 8,447 inventorsTop 7%
Overall (2024): #55,135 of 561,600Top 10%
4 Patents 2024

Issued Patents 2024

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12007803 Controllable temperature coefficient bias circuit Robert Mark Englekirk, Keith Bargroff, Tero Tapio Ranta 2024-06-11
11955932 Cascode amplifier bias circuits Jonathan James Klaren, David Kovac, Eric S. Shapiro, Robert Mark Englekirk, Keith Bargroff +1 more 2024-04-09
11948897 Transient stabilized SOI FETs Robert Mark Englekirk, Keith Bargroff, Tero Tapio Ranta, Simon Edward Willard 2024-04-02
11870398 Constant VDS1 bias control for stacked transistor configuration Tero Tapio Ranta, Jeffrey A. Dykstra 2024-01-09