Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Altadena, CA ranks #1,600 worldwide for total patents filed in 2023, with 81 patents from 49 inventors. Leading employers of inventors based in Altadena, CA include The University Of Chicago, City Of Hope, Repligen. That works out to 1.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–49 of 49 inventors

Rank Inventor Primary Company Patents
1 Rustem F. Ismagilov The University Of Chicago 8
2 David Horne City Of Hope 6
3 Michael Bransby Repligen 4
#4 Nandi H. Sankofa-Ra 3
#4 Philip J. Wahl Trans Astronautica 3
#4 Morteza Gharib Caltech 3
#4 Larry P. Brown Arelli Alloy Wheels 3
#4 Daniel Held Inscripta 3
#9 Daniela Castanotto City Of Hope 2
#9 Jeff Sredni Cisco 2
#9 Thomas William Briana 2
#9 Paul H. Patterson Caltech 2
#9 Grant Follis 2
#9 Pamela J. Bjorkman Caltech 2
#9 Thomas F. Carruth Weeks Wholesale Rose Grower 2
#16 Dennis E. Williams Geoscience Support Services 1
#16 Saswati Chatterjee City Of Hope 1
#16 Parker Watson Honeywell 1
#16 Kathleen Danenberg Response Genetics 1
#16 Wally Ewald Rippel Aerovironment 1
#16 Michael J. Sweredoski Caltech 1
#16 Wally E. Rippel Caltech 1
#16 Richard Vasquez NASA 1
#16 Debbie Mitra University of California 1
#16 Thomas Riis Jakobsen Vestas Wind Systems A/S 1
#16 Pietro Perona Caltech 1
#16 Brian Wilson Jeyes Group Limited 1
#16 Bill Hughes 1
#16 Jacob Aptekar Drisk 1
#16 Marcel Mitran IBM 1
#16 Barry Nakazono Caltech 1
#16 Phillip R. Jahelka Caltech 1
#16 David Smith Herzog Railroad Services 1
#16 Mateo Abascal 1
#16 Nenad Jelisavcic Convergent Dental 1
#16 Brandon Law 1
#16 Augustine Smith Bioness 1
#16 Kamehameha Wong City Of Hope 1
#16 Bruce L. Drolen The Boeing 1
#16 David Foor Applied Minds 1
#16 Douglas T. Crane Bsst 1
#16 Daniel Van Blerkom Forza Silicon 1
#16 Amandine Consorti Mga Entertainment 1
#16 Thomas A. Tombrello Applied Invention 1
#16 Alejandro Backer Ab Inventio 1
#16 John Termini City Of Hope 1
#16 Marius Tomas Petrulis Biosense Webster (Israel) 1
#16 Todd J. Jones Caltech 1
#16 Lon E. Bell Bsst 1

Part of California