Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hillsborough, CA ranks #872 worldwide for total patents filed all time, with 3,818 patents from 358 inventors. Leading employers of inventors based in Hillsborough, CA include Tencent America, Wells Fargo Bank, N.A., Human Genome Sciences. That works out to 335.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 358 inventors

Rank Inventor Primary Company Patents
1 Stephan Wenger Tencent America 276
2 Ashish B. Kurani Wells Fargo Bank, N.A. 204
3 Guo-Liang Yu Human Genome Sciences 142
#4 Leonid Sheynblat Qualcomm 124
#5 Stanley Kin Sui Cheng Meyer Intellectual Properties 103
#6 Kent Wakeford Kabam, 98
#7 Donald Payan Rigel Pharmaceuticals 88
#8 Nikolai Aljuri Procept Biorobotics 83
#9 Martin Lim Invensense 71
#10 Alexander I. Kalina Kalex 70
#11 Mark A. Maguire Covidien Lp 61
#12 Bruce Keyt Igm Biosciences 55
#13 Daniel J. Capon Genentech 53
#14 Hans O. Ribi Segan Industries 51
#15 Derrick C. Lin Intel 50
#16 David Labuda Matrixx Software 48
#16 Bo Xiao Htc 48
#18 Michael J. Simons Eastman Kodak 47
#19 Jun Amano Konica Minolta Laboratory U.S.A. 46
#20 Timothy Charles Hoey Oncomed Pharmaceuticals 45
#21 Anthony Sean Jules X Development 43
#22 Howard S. Bergh Kinestral Technologies 39
#22 Richard Vandlen Genentech 39
#24 Peter Lim Siebel Systems 37
#25 Ingrid A. Cotoros Gopro 36
#25 Steven H. Bass Maxygen 36
#27 Nathan K. Gupta Apple 34
#27 Pasit Phiasivongsa Onyx Therapeutics 34
#27 Edward P. Hammond, IV Applied Materials 34
#30 Varouj Chitilian Google 32
#30 Steven Shak Genomic Health 32
#32 Guy L. Tribble Apple 30
#33 Nathaniel T. Becker Genencor International 29
#34 Bruce V. Schwartz Openwave Systems 27
#34 Kenneth Albert Brameld Principia Biopharma 27
#36 John Bridgham Applied Biosystems 24
#36 Xi Yang General Motors 24
#38 John J. Rajasekaran Vibrant Holdings 23
#38 Brian Smith Microsoft 23
#38 Blake Gary Krikorian Sling Media L.L.C. 23
#41 Warner C. Greene J. David Gladstone Institutes 21
#41 Norbert W. Bischofberger Gilead Sciences 21
#41 Tom F. Lue University of California 21
#41 Xiaowu Chen Gilead Sciences 21
#45 Alok Pareek Oracle 20
#46 Edward Katzin Visa 19
#47 Nelson N. H. Teng Adeza Biomedical 18
#48 James Leong Netapp 17
#49 William H. Wynn Endress+Hauser Conducta 16
#49 Peter Mattson Calos Fund Limited Liability 16

Part of California