Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Fillmore, CA ranks #21,512 worldwide for total patents filed in 2021, with 2 patents from 2 inventors. Leading employers of inventors based in Fillmore, CA include Semtech, Amgen. That works out to 0.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–2 of 2 inventors

Rank Inventor Primary Company Patents
1 Mark C. Costello Semtech 1
1 Robert W. Swift Amgen 1

Part of California