Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Phoenix, AZ ranks #78 worldwide for total patents filed in 2020, with 1,654 patents from 815 inventors. Leading employers of inventors based in Phoenix, AZ include Karsten Manufacturing, Petsmart Home Office, Atomera Incorporated. That works out to 1.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 815 inventors

Rank Inventor Primary Company Patents
1 Martin R. Jertson Karsten Manufacturing 26
2 Jeffrey Stocker Watson Petsmart Home Office 20
3 Xiaojian Chen Karsten Manufacturing 18
#4 Richard Burton Atomera Incorporated 16
#4 Reyna Jew Petsmart Home Office 16
#4 Jacob T. Clarke Karsten Manufacturing 16
#7 Siamak Delshadpour Nxp B.V. 15
#8 Ajay Kumar Applied Materials 14
#9 Erik M. Henrikson Karsten Manufacturing 13
#9 Matthew Wade Puckett Honeywell 13
#9 Kai Liu Realtek Semiconductor 13
#9 Joshua J. Nelson Zip Top 13
#13 Drew Hartman Goodrich 12
#13 Robert L. Sankman Intel 12
#13 Evan K. Fram D.R. Systems 12
#16 Matthew W. Simone Karsten Manufacturing 11
#16 Shankar Swaminathan Lam Research 11
#16 Alexander Wayne Hietala Qorvo Us 11
#16 Tarek El Dokor Edge 3 Technologies 11
#16 Eric James Shero Asm Ip Holding B.V. 11
#16 Jack M. King, Jr. Skitter & Squirt Adventures 11
#16 Michael H. Slayton Guided Therapy Systems 11
#23 Lakshminarayan Viswanathan Nxp Usa 10
#23 Ronald Patrick Huemoeller Amkor Technology 10
#23 Eric V. Cole 10
#23 Henning Braunisch Intel 10
#27 Shuo-Hsiu Hsu 9
#28 Jeremy Myers State Farm 8
#28 Nick Nolcheff Honeywell 8
#28 Anthony D. Serrano Karsten Manufacturing 8
#28 Mark A. Schmisseur Intel 8
#28 Daniel Bahena Goodrich 8
#28 Peter G. Barthe Guided Therapy Systems 8
#28 Yusheng LIN onsemi 8
#28 John A. Solheim Karsten Manufacturing 8
#36 Thomas D. Judd Honeywell 7
#36 Byron K. Grice The Hillman Group 7
#36 Jason Smoke Honeywell 7
#36 Timothy R Littlefield Cranial Technologies 7
#36 Jeremy S. Pope Karsten Manufacturing 7
#36 Jerold N. Luisi Cranial Technologies 7
#36 Alister Hosseini Energous 7
#36 Shawn Alstad Honeywell 7
#36 Bernhard Grote Nxp Usa 7
#45 Don Karner Northstar Battery Company 6
#45 Paul D. Wood Karsten Manufacturing 6
#45 Kyle Fondurulia Asm Ip Holding B.V. 6
#45 An Ho State Farm 6
#49 John Kevin Shugrue Asm Ip Holding B.V. 5
#49 Kevin M. Lynk Nikola 5

Part of Arizona