Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Altadena, CA ranks #1,555 worldwide for total patents filed in 2021, with 88 patents from 43 inventors. Leading employers of inventors based in Altadena, CA include Rockley Photonics Limited, Caltech, Weeks Wholesale Rose Grower. That works out to 2.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–43 of 43 inventors

Rank Inventor Primary Company Patents
1 Amit Singh Nagra Rockley Photonics Limited 8
2 Morteza Gharib Caltech 7
3 Paul H. Patterson Caltech 4
3 Pamela J. Bjorkman Caltech 4
3 Thomas F. Carruth Weeks Wholesale Rose Grower 4
3 Marcel Mitran IBM 4
3 Daniel Held Inscripta 4
#8 Asher Zelig Sefami Pacific Light & Hologram 3
#8 Joshua D. Wiensch Pacific Light & Hologram 3
#8 Rustem F. Ismagilov The University Of Chicago 3
#8 Larry P. Brown Arelli Alloy Wheels 3
#8 Gary W. Schnuckle Disney 3
#13 Mark Pickett Minka Lighting 2
#13 David Foor Applied Minds 2
#13 Michael Bransby Repligen 2
#13 William F. Hug Photon Systems 2
#13 Richard E. Wirz University of California 2
#13 David Horne City Of Hope 2
#13 Isabelle M. Darolles Caltech 2
#20 Kelly Ann Chapman Ams Research 1
#20 Ronald C. Gamble Topometrix 1
#20 David Horne National And Kapodistrian University Of Athens 1
#20 Paul M. Gammell US Air Force 1
#20 Marius Tomas Petrulis Biosense Webster (Israel) 1
#20 Alnasir Ladha Teradata Us 1
#20 Grant Follis 1
#20 Jean-Paul Labrosse Steelcase 1
#20 Tracy Keim 23Andme 1
#20 John Termini City Of Hope 1
#20 Bruce L. Drolen The Boeing 1
#20 Flavio Noca Caltech 1
#20 Kathleen Danenberg Response Genetics 1
#20 Wally Ewald Rippel Aerovironment 1
#20 Jeff Zavala Amazon 1
#20 Peter Stepniewicz Disney 1
#20 Jess Firey Adkins Caltech 1
#20 Kyle C. Costa Caltech 1
#20 Pietro Perona Caltech 1
#20 Steve P. Monacos NASA 1
#20 Nenad Jelisavcic Convergent Dental 1
#20 Jared Leadbetter Caltech 1
#20 Adam J. Stiles Nortonlifelock 1
#20 Brian Wilson Jeyes Group Limited 1

Part of California