Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Perth, CA ranks #14,988 worldwide for total patents filed all time, with 106 patents from 27 inventors. Leading employers of inventors based in Perth, CA include Illuscio, Ciena, Edgetech I.G..

Showing 1–27 of 27 inventors

Rank Inventor Primary Company Patents
1 Joseph Bogacz Illuscio 34
2 Dominic Richens Ciena 14
3 Michael Glover Edgetech I.G. 13
#4 Robert Macdonald Entrust 7
#5 Andre Perras Guildline Instruments Limited 5
#6 Mario Caya Unknown 4
#6 Nestorius Wiegandt 4
#8 Ronald J. Batty 3
#9 Venanzio Di Tullio 2
#9 JESSICA KARA SMITH Canopy Growth 2
#9 Brian Majaury Albany International 2
#12 Joseph Bernard Pierre Pilon 1
#12 Jason Varcoe 1
#12 Carolyne Thompson 1
#12 Rheinhart Weber Inco Limited 1
#12 Steven Oszmian Lee Valley Tools 1
#12 Jorg W. Graf 1
#12 Sandra E. Overgaard University Of Waterloo 1
#12 Eric H. Sayant 1
#12 Bernard Charlebois 1
#12 Benjamin McDonnell 1
#12 Venanzio DiTullio Albany International 1
#12 Stephen J Staines 1
#12 Margaret Falconer Corrigall Illuscio 1
#12 Bryan Linington Bell Helicopter Textron 1
#12 Christopher A. Jechel Best Theratronics 1
#12 Peter S. Minnema 3M 1