Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Castaic, CA ranks #3,445 worldwide for total patents filed in 2021, with 34 patents from 18 inventors. Leading employers of inventors based in Castaic, CA include Pacesetter, Karl Storz Imaging, Valencia Technologies. That works out to 1.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–18 of 18 inventors

Rank Inventor Primary Company Patents
1 Stuart Rosenberg Pacesetter 7
2 George E. Duckett, III Karl Storz Imaging 4
3 Chuladatta Thenuwara Valencia Technologies 3
3 Zdzislaw B. Malinowski Boston Scientific 3
#5 Mikhail Aksenfeld Rovi Guides 2
#5 Quan Gan Green Solution Technology Co. 2
#5 William N Alexander Fna Ip Holdings 2
#8 Attila Antalfy Alfred E. Mann Foundation For Scientific Research 1
#8 Jason Beard Fox Broadcasting Company 1
#8 Scott A. Crawford Advanced Bionics Ag 1
#8 Kenneth Craig Kemmsies 1
#8 Richard B. Hurter Kupa 1
#8 Edward Stapleford Nielsen Amgen 1
#8 David M. Dorman Boston Scientific 1
#8 Anthony Christopher Anderson Comcast 1
#8 Jeff Ellery Engels Cosmetic Group Usa 1
#8 David Maga 1
#8 Federico Mauro Castro, Jr. Performance Fabrics 1

Part of California