Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Pasadena, CA ranks #160 worldwide for total patents filed all time, with 17,600 patents from 3,212 inventors. Leading employers of inventors based in Pasadena, CA include Gamblit Gaming, Caltech, Xencor. That works out to 126.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 3,212 inventors

Rank Inventor Primary Company Patents
1 Eric Meyerhofer Gamblit Gaming 301
2 Yu-Chong Tai Caltech 196
3 Frank Cire Gamblit Gaming 184
#4 John Desjarlais Xencor 176
#5 Mark E. Davis Caltech 148
#6 Ronald H. Cohen Nant Holdings Ip 135
#7 Wen-Yo Lu Amazon 109
#8 James June-Ming Wang Mediatek Singapore Pte. 107
#9 Henry C. Yuen Gemstar Development 104
#10 Huan Tan GE 99
#11 Changhuei Yang Caltech 98
#12 Gunter D. Niemeyer Intuitive Surgical 97
#13 Carver A. Mead Synaptics Incorporated 84
#13 Manfred Horstmann AMD 84
#15 Richard Holbrook Thermador 83
#16 Aaron John Zilkie Rockley Photonics Limited 79
#17 David Baltimore Caltech 76
#18 Amnon Yariv Caltech 73
#19 Frances H. Arnold Caltech 71
#20 Kerry Vahala Caltech 69
#21 Hiroshi Mizukami Exedy 68
#21 Jordan Matthew Neysmith Second Sight Medical Products 68
#23 Robert J. Calvet Digitaloptics Corporation Mems 67
#24 Carl L. Hansen Caltech 66
#25 William Hewlett Light And Sound Design 63
#25 Steven A. Sunshine Smiths Detection 63
#27 Michael Dooley Irobot 60
#28 James R. Heath Caltech 59
#28 Michael L. Roukes Caltech 59
#30 Lutfollah Maleki General Motors 58
#30 Michael Bailey Ecolink Intelligent Technology 58
#30 Tracey Ho Strong Force Iot Portfolio 2016 58
#33 Aditya Rajagopal Caltech 56
#34 Chaitan Khosla Kosan Biosciences Incorporated 50
#34 Luis Goncalves Evolution Robotics 50
#36 Andrey B. Matsko Oewaves 49
#36 Jehoshua Bruck Caltech 49
#38 Taison Tan 24M Technologies 48
#38 Anatoliy Savchenkov Oewaves 48
#38 William A. Goddard, III Caltech 48
#41 John G. Mark Litton Systems 47
#41 Lute Maleki Oewaves 47
#41 Kelley Ann Chao-Fei Ching Lee 47
#44 Amir Arbabi Caltech 46
#44 Julia A. Kornfield Caltech 46
#46 Joseph R. Adamski RTX (Raytheon) 45
#47 Brian K. Schmidt Silicon Image 44
#47 Gajendra D. Savant Physical Optics 44
#49 Todd A. Thorsen Caltech 43
#49 Chengkun Zhang Ubtech Robotics Corp 43

Part of California