Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Perth, CA ranks #8,188 worldwide for total patents filed in 2023, with 10 patents from 4 inventors. Leading employers of inventors based in Perth, CA include Illuscio, Entrust, Ciena.

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Joseph Bogacz Illuscio 5
2 Nestorius Wiegandt 3
3 Robert Macdonald Entrust 1
3 Dominic Richens Ciena 1