Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hamilton, CA ranks #1,116 worldwide for total patents filed in 2020, with 137 patents from 106 inventors. Leading employers of inventors based in Hamilton, CA include Toyota, Emc Ip Holding Company, Natrix Separations.

Showing 1–50 of 106 inventors

Rank Inventor Primary Company Patents
1 Hao Yang Toyota 4
2 Michael G. Roche Emc Ip Holding Company 3
2 Raja Ghosh Natrix Separations 3
2 Zhenchun Shi Op-Hygiene Ip Gmbh 3
2 Brian Reeves Z124 3
2 Rachel Prestayko Xerox 3
#7 Seokwon Lee Samsung 2
#7 Liberatore A. Trombetta 2266170 Ontario 2
#7 Oliver M. Veit National Steel Car Limited 2
#7 Jeffrey Thomas Whitely Rapid Aid 2
#7 Pedram Madadkar Mcmaster University 2
#7 Valery Ten Mold-Masters (2007) Limited 2
#7 John I. W. Clark Avigilon Fortress 2
#7 Annyt Bhattacharyya Apotex 2
#7 Uwe Schaible Titan Medical 2
#7 Thomas Arthur Walli Geotab 2
#7 Drazena Brocilo Titan Medical 2
#7 Tomasz Bis National Steel Car Limited 2
#7 Michael Newhouse Nostrum Technology 2
#7 Cuong Vong Xerox 2
#7 Melanie Lynn Davis Xerox 2
#7 Rajmy Sayavong Tyco Safety Products Canada 2
#7 Gamini Weeratunga Apotex Pharmachem 2
#7 Kenneth Wayne Black National Steel Car Limited 2
#25 Anthony Rullo Mcmaster University 1
#25 Qiuping Peng South China University Of Technology 1
#25 Larry Boyle 1
#25 Hamed Herati Imax Theatres International Limited 1
#25 Haoding Li Enedym 1
#25 Eric William Jones Ipex Technologies 1
#25 Mark A. Gesing 1
#25 Andrey Feldman Blackberry Limited 1
#25 Mike St. Pierre Dana Canada 1
#25 Roghayeh Rafipour 1
#25 Eric J. Schouten Dana Canada 1
#25 Betty Rule Sonova Ag 1
#25 Richard MCCRAE Institut National De Recherche Pour L'Agriculture, L'Alimentation L'Environnement 1
#25 Robin Muscat-Tyler Lincoln Global 1
#25 Brian Hunt Fannie Mae 1
#25 Charles-Francois de Lannoy Palo Alto Research Center Incorporated 1
#25 Muhammad Alrabeiah Arizona Board Of Regents For And On Behalf Of Arizona State University 1
#25 Colin A. Shore Dana Canada 1
#25 John Hausman Arris Enterprises 1
#25 Sayedmohammadreza Soroushmehr University of Michigan 1
#25 Raymond MacDonald 1
#25 Scott Morgan 1
#25 Nik Vucenic Dana Canada 1
#25 John Unsworth Titan Medical 1
#25 Grant Ross Elliott Blackberry Limited 1
#25 Sarah Ann Smith Physio-Control 1