Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Brookfield, WI ranks #802 worldwide for total patents filed all time, with 4,215 patents from 745 inventors. Leading employers of inventors based in Brookfield, WI include GE, Johnson Controls Technology, Milwaukee Electric Tool. That works out to 101.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 745 inventors

Rank Inventor Primary Company Patents
1 Jiang Hsieh GE 289
2 Youngchoon Park Johnson Controls Technology 157
3 John S. Scott Milwaukee Electric Tool 77
#4 Christopher J. Wieloch Rockwell Automation 72
#5 Alex Huber Milwaukee Electric Tool 58
#6 Vaidhyanathan Venkiteswaran Johnson Controls Technology 54
#7 Vijaya S. Chennupati Johnson Controls Technology 51
#8 Timothy Campbell Google 49
#9 John I. Jackson Acuson 48
#10 Dean B. Krotts Bajer Design & Marketing 47
#11 Michael J. Washburn GE 46
#12 Padma Prabodh Varanasi S. C. Johnson & Son 45
#13 Yutao Wang Brother Kogyo 39
#14 James J. Dehn Champion Power Equipment 38
#15 Douglas A. Dorn Raffel Systems 35
#16 Habib Vafi GE 34
#16 Adam M. Moller Kohler 34
#18 Sayan Chakraborty Workday 30
#18 Ching-San Lai Medinox,Inc. 30
#20 Ryan B. Jipp Milwaukee Electric Tool 27
#21 Vineet Binodshanker Sinha Tyco Fire & Security Gmbh 26
#21 Joseph J. Galati, Jr. Continuum Footspas 26
#21 Pete Kajuch Kohler 26
#24 Kem M. Obasih Johnson Controls Technology 25
#25 Syed S. Ali AT&T 24
#25 Alex L. Nicoll Rockwell Automation 24
#25 Henry Goldstein Miller Brewing 24
#28 Kyle C. Fassbender Milwaukee Electric Tool 23
#28 Anthony M. Davis Milwaukee Electric Tool 23
#28 Clay G. Nesler Johnson Controls Technology 23
#28 William E. Davis Evoqua Water Technologies 23
#32 Charles B. Kendall GE 22
#32 Mark Willer Milwaukee Electric Tool 22
#34 Patrick L. Ting Miller Brewing 21
#34 Stanley A. Johnson The Vollrath Company 21
#36 Harper F. Zarker, Jr. American Shower & Bath 20
#36 Haochuan Jiang GE 20
#36 Alexander Bozmoski Harley-Davidson Motor Company 20
#36 Edward Emaci GE 20
#36 Graeme S. Bayley Bradley Fixtures 20
#36 Bradley Gabrielse GE 20
#42 Jason Knuth 19
#42 Herve X. Bronnert 19
#44 Donald Langler GE 18
#44 Sie Teong Lim Briggs & Stratton 18
#44 Daniel A. Matre Briggs & Stratton 18
#47 Christopher R. Irgens Outboard Marine 17
#47 Ryan D. Janscha Briggs & Stratton 17
#47 Arun K. Guru Rockwell Automation 17
#50 John A. Olson Badger Meter 16

Part of Wisconsin