Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Monrovia, CA ranks #1,793 worldwide for total patents filed all time, with 1,847 patents from 335 inventors. Leading employers of inventors based in Monrovia, CA include Xencor, Koncept Technologies, Hughes Aircraft. That works out to 48.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 335 inventors

Rank Inventor Primary Company Patents
1 Matthew Bernett Xencor 102
2 Kenneth Ng Koncept Technologies 68
3 Edmund Ng Koncept Technologies 66
#4 John E. Wreede Hughes Aircraft 56
#5 Jiaju Ma Gigajot Technology 48
#6 Mark S. Trimmer Maxdem Incorporated 40
#7 Darin James Douma Finisar 39
#7 Omid Vafa Xencor 39
#9 Joel Wacknov Capstone Turbine 34
#10 Kai-Wei Nieh Front Edge Technology 29
#10 John R. Rowlette, Sr. Amp 29
#12 Chris Heatherly Disney 26
#12 Umesh Muchhal Xencor 26
#14 Radwanul Hasan Siddique Samsung 24
#14 Jirina V. Pospisil 3M 24
#16 David Arnett Nellcor Puritan Bennett 22
#16 Rajat Varma Xencor 22
#16 John A. Carlson Teleflex Incorporated 22
#19 Saleh Masoodian Gigajot Technology 20
#19 Marcin Tomasz Kortylewski City Of Hope 20
#21 William H. Farr Caltech 19
#21 Alex Nisthal Xencor 19
#23 Pieter Emmelius VAN NIEKERK Biosense Webster (Israel) 17
#23 Christopher W. Heatherly Disney 17
#25 Jacob Berlin City Of Hope 16
#25 Wei Liang Oewaves 16
#25 Mahin Rameshni Worleyparsons Group 16
#28 Yuzhe Ding Cytochip 15
#28 Gregg Luconi Energie-Innovation Ag 15
#30 David G. Powell Diamond Machining Technology 14
#30 Anton Filikov Arqule 14
#32 Lance Fors Third Wave Technologies 12
#32 Gary L. Johnson The Heil 12
#32 Jiehua Zhou City Of Hope 12
#32 Erik Brown Lawrence Livermore National Security 12
#32 Paul Z. Kalotay Micro Motion 12
#37 Jacques L. Favreau Medtronic 11
#37 Shmuel Cabilly Ethrog Biotechnology 11
#37 Colin A. Cook Caltech 11
#37 Ravi Verma Spectral Platforms 11
#41 Lawrence P. Donovan, III Crown City Plating 10
#41 Fabrizio Pinto 10
#41 Blake Dickinson Aerovironment 10
#41 David F. Carmichael Amgen 10
#41 Igor Vostiar Xencor 10
#41 Brian L. Tiep City Of Hope National Medical Center 10
#47 Scott Eaker Prolacta Bioscience 9
#47 Peter Gabrielsson Webasto Charging Systems 9
#47 Timothy J. Cuthbertson Oyster Point Pharma 9
#47 Brendan M. O'Boyle Merck 9

Part of California