Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Madison, WI ranks #120 worldwide for total patents filed in 2018, with 941 patents from 579 inventors. Leading employers of inventors based in Madison, WI include Applied Materials, Spectrum Brands, Virent. That works out to 3.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 579 inventors

Rank Inventor Primary Company Patents
1 Zhijun Chen Applied Materials 28
2 Francisco Javier Barquin Spectrum Brands 11
3 Randy D. Cortright Virent 10
3 Yuanyuan Zhang Mediatek Singapore Pte. 10
#5 Graham P. Lidgard Exact Sciences 8
#5 Thomas Machleidt Promega 8
#7 Daniel A. DeChant Illinois Tool Works 7
#7 Christopher E. Holm Cummins Filtration Ip 7
#7 Daniel Teteak Spectrum Brands 7
#10 Jaron M. Acker Mallinckrodt Hospital Products Ip Unlimited 6
#10 Gary Nelson Garcia Molina WARF 6
#10 Robert M. Engelke Ultratec 6
#10 Mark C. Shults Dexcom 6
#10 Jun Xiao Lsi 6
#10 Jean Mauricio Uruena Montoya Fiskars Oyj Abp 6
#10 Liu Yang Intel 6
#17 Li Tan Dana-Farber Cancer Institute 5
#17 Andrew Mark Cigan Pioneer (Corteva) 5
#17 Gary LaVerne Henshue Brandbumps 5
#17 Daniel W. van der Weide Neuwave Medical 5
#17 Ning Jin General Motors 5
#17 David L. Lewis Arrowhead Pharmaceuticals 5
#23 Keqiang He IBM 4
#23 Laura L. Kiessling WARF 4
#23 Song Jin University Of Wyoming Research 4
#23 Lauren J. Almeida Arrowhead Pharmaceuticals 4
#23 Ive Hermans WARF 4
#23 Christopher A. Harris Energizer Brands 4
#23 Fred T. Lee, Jr. Neuwave Medical 4
#23 Ashia M. Pollen 4
#23 Nathaniel J. Page Monsanto Technology 4
#23 Padma Gopalan WARF 4
#23 Alexander I. Rosandick Spectrum Brands 4
#23 Evan A. Sparks S. C. Johnson & Son 4
#35 William R. Dorr Compaq Computer 3
#35 Baoyun Ge C-Motive Technologies 3
#35 Matthew Robers Promega 3
#35 Mark E. Cook WARF 3
#35 Robert J. Hamers WARF 3
#35 Michael Charles Milner Cockrem Lanzatech New Zealand Limited 3
#35 Graeme C. McAlister Thermo Finnigan 3
#35 Timothy Williams Cypress Semiconductor 3
#35 Karl Antonin Bzdusek Koniniklijke Philips N.V. 3
#35 Michael Marty Google 3
#35 Shannon S. Stahl WARF 3
#35 Guang-Hong Chen WARF 3
#35 Kris Zimmerman Promega 3
#35 Justin D. Dorman Milwaukee Electric Tool 3
#35 Joseph Thomas Grant WARF 3
#35 Marie Schwinn Promega 3

Part of Wisconsin