Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Perth, AU ranks #1,305 worldwide for total patents filed all time, with 2,577 patents from 976 inventors. Leading employers of inventors based in Perth, AU include IBM, University Of Western Australia, Technological Resources Pty Limited.

Showing 1–50 of 976 inventors

Rank Inventor Primary Company Patents
1 Bret W. Dixon IBM 61
2 Stephen Donald Wilton University Of Western Australia 46
3 Rodney James Dry Technological Resources Pty Limited 45
#4 Michael Lawrence-Brown Cook Medical Technologies 39
#5 Mark A. Shewell IBM 37
#6 Roger Aston Pitney Pharmaceuticals Pty Limited 35
#7 Scot W. Dixon IBM 31
#8 Peter Howe Shiang Goh 29
#9 Kevin Ross Inkster Arbortech Industries Limited 28
#10 Benjamin T. Horwood IBM 26
#10 Graham Barrett Alcon Laboratories 26
#12 Victor Rosenberg Clearvue Technologies 24
#13 Allan T. Chandler IBM 22
#13 Andrew Carnegie Schlumberger Technology 22
#15 Robin John Batterham Technological Resources Pty Limited 21
#16 Felix Meiser Iceutica Pty 19
#16 Andrew Beach Reflex Instruments Asia Pacific Pty 19
#18 Gordon Stewart Globaltech Corporation Pty 17
#18 John Winterflood Technological Resources Pty Limited 17
#20 Joseph Purcell Mincon International Limited 16
#20 David Richard Worth Orbital Engine Company (Australia) Pty Limited 16
#20 Jacques Pilote Tata Steel Limited 16
#20 Kenneth John Bates Hammersmith Nominees Pty 16
#24 Peter Bourke Outotec (Finland) Oy 15
#24 King-Yan Kwan IBM 15
#26 Paul Michael Watt Phylogica Limited 14
#26 Mark Nidorf Murray And Poole Enterprises 14
#26 Paul Phillip Van Saarloos The Lions Eye Institute Of Western Australia 14
#26 Bruce Nathaniel Gray Sirtex Medical 14
#30 Warren Strange Strada Design Limited 12
#30 Simon Cope Spookfish Innovations Pty 12
#32 Philip Harman Dynamic Digital Depth Research Pty 11
#32 Thomas M. Schilperoort Sea To Summit Pty 11
#34 Sam R. Leighton Orbital Engine Company (Australia) Pty Limited 10
#34 Luke Rowan McKenna IBM 10
#34 Lyndon Brian Greeshaw Austin Engineering Limited 10
#34 Hui Tong Chua National University Of Singapore 10
#34 David James Caley Orbital Australia Pty 10
#34 Andrew Samuel Long Pgs Geophysical As 10
#40 Alan Parker Dowell Schlumberger Incorporated 9
#40 Graham John Hamilton Melrose Chemeq 9
#40 Keith Melbourne Orbital Engine Company (Australia) Pty Limited 9
#40 Graeme A. Chandler Airboss Limited 9
#40 Robert Jeffries Chatfield Atlassian Pty 9
#40 Brett James Wilkinson Globaltech Corporation Pty 9
#40 Michael Edmund Tobar University Of Western Australia 9
#40 Zigmantas L. Budrikis American Telephone And Telegraph Company, At&T Bell Laboratories 9
#48 Roland Tyson Sea To Summit Pty 8
#48 Taras Rudakov Qrsciences Pty. 8
#48 Steven R. Ahern Orbital Engine Company (Australia) Pty Limited 8