Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Altadena, CA ranks #1,137 worldwide for total patents filed all time, with 2,946 patents from 429 inventors. Leading employers of inventors based in Altadena, CA include Caltech, Minka Lighting, Weeks Wholesale Rose Grower. That works out to 68.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 429 inventors

Rank Inventor Primary Company Patents
1 Morteza Gharib Caltech 150
2 Mark Pickett Minka Lighting 143
3 Thomas F. Carruth Weeks Wholesale Rose Grower 110
#4 Marcel Mitran IBM 88
#5 Lon E. Bell Bsst 76
#6 Rustem F. Ismagilov The University Of Chicago 68
#7 David Horne City Of Hope 57
#8 Michael Kahn Molecumetics 49
#9 Wally E. Rippel Caltech 46
#10 Sekharipuram R. Narayanan Caltech 45
#11 Gary W. Schnuckle Disney 44
#12 Wilton W. Webster, Jr. Cordis Webster 40
#13 William F. Hug Photon Systems 37
#14 Jan A. Orlowski Scientific Pharmaceuticals 36
#15 Charles M. Hains Xerox 35
#15 Larry P. Brown Arelli Alloy Wheels 35
#17 Jean-Paul Labrosse Steelcase 34
#18 Pamela J. Bjorkman Caltech 32
#18 Paul Bridger International Rectifier 32
#18 Brian Wilson Jeyes Group Limited 32
#18 Pietro Perona Caltech 32
#22 Ronald C. Gamble Topometrix 30
#23 Kathleen Danenberg Response Genetics 29
#23 Paul H. Patterson Caltech 29
#25 Jean-Pierre Fleurial Caltech 27
#26 Joshua D. Wiensch Pacific Light & Hologram 26
#26 Amit Singh Nagra Rockley Photonics Limited 26
#28 Saswati Chatterjee City Of Hope 24
#28 Daniel Van Blerkom Forza Silicon 24
#30 Asher Zelig Sefami Pacific Light & Hologram 23
#30 Martin A. Stuart 23
#32 Kelly Ann Chapman Ams Research 21
#32 Douglas T. Crane Bsst 21
#32 Alan Rembaum Caltech 21
#35 Charles DeBoer Doheny Eye Institute 20
#35 Kamehameha Wong City Of Hope 20
#37 Daniel Held Inscripta 18
#37 John S. Winslow Discovision Associates 18
#39 Jesus Manuel Caridad Ramirez Pacific Light & Hologram 17
#39 Thomas A. Tombrello Caltech 17
#41 Guido Hunziker Xponent Photonics 16
#42 Bruce L. Drolen The Boeing 15
#42 Shiao-Ping S. Yen Caltech 15
#42 Roy K. Fujitaki Unknown 15
#42 Bruce R. Hancock Caltech 15
#42 Leroy R. Perry, Jr. Unknown 15
#42 Stephen L. Cunningham National University Of Ireland, Galway 15
#42 Rodney M. Goodman Caltech 15
#49 Peter Stepniewicz Disney 14
#49 Susan Spence HP 14

Part of California