Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Perth, CA ranks #9,162 worldwide for total patents filed in 2021, with 9 patents from 3 inventors. Leading employers of inventors based in Perth, CA include Illuscio, Ciena.

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Joseph Bogacz Illuscio 7
2 Nestorius Wiegandt 1
2 Dominic Richens Ciena 1