Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Thousand Oaks, CA ranks #277 worldwide for total patents filed all time, with 10,995 patents from 1,766 inventors. Leading employers of inventors based in Thousand Oaks, CA include The Boeing, Stats Chippac, Hughes Electronics Limited. That works out to 86.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 1,766 inventors

Rank Inventor Primary Company Patents
1 Jeffrey H. Hunt The Boeing 161
2 Henry Descalzo Bathan Stats Chippac 159
3 Donald C. D. Chang Hughes Electronics Limited 139
3 Sheldon B. Moberg Medtronic 139
#5 Wei Zhang Promerus 112
#6 Lanny S. Smoot Disney 106
#7 Tracy E. Grim Royce Medical 93
#8 David Tso-Chin Ko 92
#9 Michael Cheiky Cool Planet Energy System 91
#10 Tsai-Ching Lu Hrl Laboratories 84
#11 Christopher P. Henry Hrl Laboratories 82
#12 Gary Dawson Milestone Entertainment 81
#13 David L. Allen The Boeing 65
#13 Donald C. D. Chang Spatial Digital Systems 65
#15 Daniel J. Gregoire Hrl Laboratories 61
#16 Nickolai Alexandrov Ceres 60
#17 Bo Liu AbbVie 58
#18 Anthony D. Wondka Breathe Technologies 57
#19 Robert Lercari Radian Memory Systems, Illc 56
#19 Edward Mitchell Sonos 56
#21 Andras Kuthi Lam Research 54
#22 Donald G. Lombardi Drum Workshop 53
#22 Randall N. Allard Warsaw Orthopedic 53
#22 Longbin Liu Amgen 53
#25 Oleg M. Efimov Hrl Laboratories 52
#25 Xing Pei Pacesetter 52
#27 Mark H. Norman Amgen 51
#27 Michael J. Milella, Jr. Eca Medical Instruments 51
#29 Jeffrey F. DeNatale Teledyne Scientific & Imaging 50
#30 Phuong Nguyen Ball Horticultural 48
#30 Debabani Choudhury Intel 48
#32 Christopher Eugene Fisher Aerovironment 47
#32 Robert Kay K2R2 47
#34 Kurt Botsai Zebra Technologies 46
#35 Terry D. Beard Unknown 44
#36 Michael J. Daily Hrl Laboratories 43
#37 Han Suk Kim Cool Planet Energy System 42
#37 Brett Holmquist Quest Diagnostics Investments 42
#39 Shawn Shi Aptiv Technologies Ag 41
#39 Jan R. Stillerman Solo Cup 41
#41 James E. Williams Cuisinarts 40
#42 Keisuke Shinohara Hrl Laboratories 39
#43 Robert M. Rzasa Amgen 38
#44 Pochi A. Yeh 37
#45 Ryan White Amgen 36
#45 Liping H. Pettus Amgen 36
#45 Wenge Zhong Amgen 36
#48 Victor J. Cee Amgen 35
#48 Michael J. Frohn Amgen 35
#48 Andrea Pedretti Energy Vault 35

Part of California