Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Campbell, CA ranks #106 worldwide for total patents filed in 2021, with 1,229 patents from 478 inventors. Leading employers of inventors based in Campbell, CA include Apple, Magic Leap, 8X8. That works out to 28.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 478 inventors

Rank Inventor Primary Company Patents
1 David C. Graham Apple 31
2 Yong Liu Apple 27
3 Adrian Kaehler Magic Leap 23
#4 Zhishen Liu 8X8 21
#5 Ganesan Chandrashekhar Nicira 20
#5 Raghuveer S. Makala Sandisk Technologies 20
#7 Hou T. Ng HP 18
#7 Bryan R. Martin 8X8 18
#9 Xiaosong Zhou Apple 17
#10 Vivek Agarwal Nicira 15
#11 Thomas Scimone Slice 14
#12 Farouk Belghoul Apple 13
#12 Jonathan Scott Wood Traxxas 13
#12 Robin Atkins Dolby Laboratories Licensing 13
#15 Tsung-Han Lin Intel 11
#15 Matthew J. Sundstrom Apple 11
#17 David D. Smith Sunpower 10
#17 Jason Liang IBM 10
#17 Anush G. Nadathur Apple 10
#20 Conor Heneghan Resmed Sensor Technologies Limited 9
#20 Akhila Naveen Broadcom 9
#20 Benjamin A. Cousins Apple 9
#23 Joseph Yudovsky Applied Materials 8
#23 Xiang Lu Apple 8
#23 David R. Pope Apple 8
#23 Sanjeev Baluja Applied Materials 8
#23 Daamun Mohseni Apple 8
#23 Graham B. Myhre Apple 8
#29 Garth Judge 8X8 7
#29 Yusheng Xie Tencent America 7
#29 Choudhury A. Al Sayeed Ciena 7
#29 Lai ZHAO Applied Materials 7
#29 Bryan R. Hinch Apple 7
#29 Juraj G. Fandli Illumio 7
#29 Aaron Germain Relign 7
#29 Hyungjin Kim Samsung 7
#37 Punarjay Chakravarty Ford 6
#37 Barnaby John James X Development 6
#37 Conor O'Sullivan Pdf Solutions 6
#37 Ivan S. Maric Apple 6
#37 Thomas D. Griffin IBM 6
#37 Dennis Rasmussen Fontem Holdings 4 B.V. 6
#37 Ramyanshu Datta Amazon 6
#37 Manu Mukerji 8X8 6
#37 Jamil Kawa Synopsys 6
#46 Richard J. Contreras Enovix 5
#46 Michael D. Quinones Apple 5
#46 Ali P. Arsanjani 8X8 5
#46 Joshua P. de Cesare Apple 5
#46 Ronald A. Rojeski Cf Traverse 5

Part of California