Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Oak Park, CA ranks #1,891 worldwide for total patents filed all time, with 1,727 patents from 192 inventors. Leading employers of inventors based in Oak Park, CA include Hrl Laboratories, Irobot, Shenzhen Green Giant Energy Technology Development Co.. That works out to 124.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 192 inventors

Rank Inventor Primary Company Patents
1 Tobias A. Schaedler Hrl Laboratories 80
2 Peter Petre Hrl Laboratories 75
3 Nikolai Romanov Irobot 65
#4 Xiaoming Yang Shenzhen Green Giant Energy Technology Development Co. 64
#5 Katsuyuki Saito Olympus Optical Co. 60
#5 Hyok Jae Song General Motors 60
#7 Lewis Robert Varney Level 3 Communications 56
#8 Anthony Baratta Baron Investments 51
#9 Qin Jiang Hrl Laboratories 47
#10 Rajesh D. Rajavel Hrl Laboratories 45
#11 Jose Cruz-Albrecht Hrl Laboratories 44
#12 Rafael Bikovsky Medtronic 41
#13 Hankyu Moon Videomining 39
#13 Walter C. Gish Dolby Laboratories Licensing 39
#15 Jonathan Agre Fujitsu Limited 38
#16 Jack Okamuro Ceres 34
#17 Arthur Geringer Security Door Controls 32
#18 John von Buelow Interbath 30
#19 Roberto H. Jacob Da Silva 28
#19 Vu Van Ma Amgen 28
#21 Kristopher Raney Keysight Technologies 26
#21 John S. Frost Siemens Solar Industries 26
#23 Rahul Ganguli Teledyne Scientific & Imaging 25
#24 Xiaodong Zhong Siemens Healthcare Limited 23
#25 David Edward Mordetzky Resilience Magnum Ip 21
#26 Kenneth B. Karasiuk Envy Medical 20
#26 David Van-Dinh Dang Ceres 20
#28 Thomas Robert Szarek Aerovironment 18
#29 Gavin D. Holland Hrl Laboratories 17
#29 Laurence Rose Alcatel Lucent 17
#29 Kevin R. Martin Hrl Laboratories 17
#32 Brahmanand Reddy Shivampet The Nielsen Company (Us) 16
#33 Haluki Sadahiro Panavision International 15
#33 Jian-Feng Lu Askgene Pharma 15
#35 Mark O'Masta The Boeing 14
#36 Thao V. Doan Hoist Fitness Systems 13
#36 James Anderson Invia Robotics 13
#38 Zhang Liu Meta 10
#38 Joonsuh Kim Nokia 10
#38 Darren L. Bates Amgen 10
#38 Morteza Ghodrat Ciena 10
#38 Yu-Hua Lin Teledyne Scientific & Imaging 10
#38 Sean Olive Harman International Industries, Incorporated 10
#44 Wendee Lee Ossur Hf 9
#44 Gabi Abraham Strix Systems 9
#46 Changjun Huang Semtech 8
#46 Deying Zhang Hrl Laboratories 8
#46 Dominick Aiello Panavision International 8
#46 Mark A. Stalzer Caltech 8
#50 Lane Stith Helen Of Troy Limited 7

Part of California