Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CM

Christopher C. Murphy

PSPsemi: 6 patents #10 of 86Top 15%
Lake Zurich, IL: #4 of 58 inventorsTop 7%
Illinois: #331 of 9,120 inventorsTop 4%
Overall (2019): #26,497 of 560,194Top 5%
6 Patents 2019

Issued Patents 2019

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10483929 Power amplifier self-heating compensation circuit Tero Tapio Ranta, Keith Bargroff, Robert Mark Englekirk 2019-11-19
10439562 Current mirror bias compensation circuit Ikumi TOKUDA, Tero Tapio Ranta, Keith Bargroff, Robert Mark Englekirk 2019-10-08
10439563 Positive temperature coefficient bias compensation circuit Tsuyoshi Takagi, Tero Tapio Ranta, Keith Bargroff, Robert Mark Englekirk 2019-10-08
10305433 Power amplifier self-heating compensation circuit Tero Tapio Ranta, Keith Bargroff, Robert Mark Englekirk 2019-05-28
10276371 Managed substrate effects for stabilized SOI FETs Robert Mark Englekirk, Keith Bargroff, Tero Tapio Ranta, Simon Edward Willard 2019-04-30
10250199 Cascode amplifier bias circuits Jonathan James Klaren, Poojan Wagh, David Kovac, Eric S. Shapiro, Neil Calanca +5 more 2019-04-02