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USPTO Patent Rankings Data through Dec 31, 2025
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Keith Bargroff — 6 Patents in 2025

PSPsemi: 5 patents #5 of 65Top 8%
MCMurata Manufacturing Co.: 1 patents #354 of 930Top 40%
San Diego, CA: #316 of 3,991 inventorsTop 8%
California: #2,840 of 55,090 inventorsTop 6%
Overall (2025): #18,720 of 469,880Top 4%
6 Patents 2025

Issued Patents 2025

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12322713 Transient stabilized SOI FETs Robert Mark Englekirk, Christopher C. Murphy, Tero Tapio Ranta, Simon Edward Willard 2025-06-03
12298798 Controllable temperature coefficient bias circuit Robert Mark Englekirk, Christopher C. Murphy, Tero Tapio Ranta 2025-05-13
12253426 Parasitic insensitive sampling in sensors Vishnu Srinivasan, Ion Opris 2025-03-18
12255587 Gate drivers for stacked transistor amplifiers Poojan Wagh, Kashish Pal, Robert Mark Englekirk, Tero Tapio Ranta, Simon Edward Willard 2025-03-18
12255588 Cascode amplifier bias circuits Jonathan James Klaren, David Kovac, Eric S. Shapiro, Christopher C. Murphy, Robert Mark Englekirk +1 more 2025-03-18
12191833 Power amplifier self-heating compensation circuit Tero Tapio Ranta, Christopher C. Murphy, Robert Mark Englekirk 2025-01-07

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