Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Rossmoor, CA ranks #9,911 worldwide for total patents filed in 2021, with 8 patents from 4 inventors. Leading employers of inventors based in Rossmoor, CA include Entigenlogic, Diamond Mattress Company, Rehrig Pacific. That works out to 0.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Frank John Williams Entigenlogic 5
2 Shaun Pennington Diamond Mattress Company 1
2 Kyle L. Baltz Rehrig Pacific 1
2 David Hassan Amirehteshami The Boeing 1

Part of California