Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Topanga, CA ranks #4,988 worldwide for total patents filed all time, with 536 patents from 111 inventors. Leading employers of inventors based in Topanga, CA include Topanga Technologies, Hughes Aircraft, Divergent Technologies. That works out to 62.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 111 inventors

Rank Inventor Primary Company Patents
1 Frederick M. Espiau Topanga Technologies 56
2 Herbert J. Tanzer Hughes Aircraft 34
3 Eahab Nagi El Naga Divergent Technologies 27
#4 Richard N. Leyden 3D Systems 24
#5 Andre Robert Daniel Michelin Verdant Robotics 18
#6 Rashmi Sundareswara The Boeing 17
#7 John R. Feth Honeywell 15
#8 Orang Dialameh Nant Holdings Ip 14
#9 Samuel Peterson Vital Images 12
#9 John Couch Disney 12
#11 Nicholas A. Ketz Hrl Laboratories 11
#11 Martin Dalgaard Unknown 11
#13 George J. Rebane Bizrate.Com 10
#13 Jonathan Scheiner Gateway 2000 10
#15 Robert B. Goldberg University of California 9
#15 William F. Breslo Diamond Game Enterprises 9
#15 Christopher H. Morris Artemis Innovations 9
#18 Mark W. Henley The Boeing 8
#19 David Forrest The Singer Company Limited 7
#19 Christopher John Hardouin Mattel 7
#19 Frederick C. Williams Hughes Aircraft 7
#19 Kenneth C. Widen The Boeing 7
#23 Azur Dzindo Pentair Water Pool And Spa 6
#23 Celeste V. Bonham Unknown 6
#23 Christopher Sanborn University of California 6
#23 Brian Mueller Holt University Of Utah 6
#23 Alexander D. Jacobson Hughes Aircraft 6
#28 James Fitzgerald Ventracor Limited 5
#28 Kenneth R. Sacks 5
#28 Edward G. Rourke Pacesetter 5
#28 Carl Strom 5
#28 Andrew R. Rollinger RTX (Raytheon) 5
#33 Reginald A. Allen Trw Limited 4
#33 Richard Heinz Miltner 4
#33 Steve Lackenby Aircam 4
#33 Howard Soroka Comcast 4
#33 Kurt Salloux Zaf Energy Systems, Incorporated 4
#33 Haden Smith The Boeing 4
#39 Nicki Huggins 3
#39 James Gentry University Of Louisiana At Lafayette 3
#39 Ina-Beate Wanner University of California 3
#39 Teri A. Lawton 3
#39 Noah Brickman Systems & Technology 3
#39 David Blattel 3
#39 Walt Klappert United Video Properties 3
#39 Bert J. Achez 3
#39 Daniel Frysinger Belkin International 3
#39 Ronald K. Masson Payview Limited 3
#39 Robert D. Etchells Hughes Aircraft 3
#39 Witold Siekaj 3

Part of California