Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Warwick, GB ranks #3,568 worldwide for total patents filed all time, with 827 patents from 265 inventors. Leading employers of inventors based in Warwick, GB include Hitachi Data Systems Engineering Uk Limited, Eli Lilly, Esmertec Ag.

Showing 1–50 of 265 inventors

Rank Inventor Primary Company Patents
1 Christopher J. Aston Hitachi Data Systems Engineering Uk Limited 25
2 John Walter Liebeschuetz Eli Lilly 22
3 William Thomas Charnell Esmertec Ag 21
#4 Daphne Grace Hine The Procter & Gamble 18
#5 Godfrey Newbold Hounsfield Emi 17
#6 Frederick W. Jowitt Crown Cork & Seal Technologies 13
#6 Wayne Plummer Esmertec Ag 13
#6 Leonard J. Feathers Barrow Hepburn Sala 13
#9 Adam Billyard Canon 12
#9 Jerome F. McAleer Diabetes Diagnostics 12
#9 Martin Kavanagh Digital Projection Limited 12
#9 Philippa Joy Guthrie Esmertec Ag 12
#13 Philip Stankus Parker Pen Products 11
#14 Geoffrey H. Baker Beecham Group Plc 10
#14 Christopher Edlin Aventis Pharmaceuticals 10
#14 Samuel Blackburn Pearce Cosco Management 10
#14 Ryan P. Springell Techtronic Floor Care Technology Limited 10
#14 Charles G. Purnell Brico Engineering Limited 10
#19 James W. Nicholas Carnaudmetalbox Plc 8
#19 Kenneth A. Evans Alcan International Limited 8
#19 Simon Frederick Mills Virgin Atlantic Airways Limited 8
#19 Graham Lunn Pfizer 8
#19 Adrian Simmonds Amersham Pharmacia Biotech Uk Limited 8
#19 Andrew Leslie Lawler Virgin Atlantic Airways Limited 8
#19 Vladimir Stoiljkovic Centurion Wireless Technologies 8
#26 Roderick M. De'Ath Cmb Foodcan Plc 7
#26 Mark Smallwood Alcatel Lucent 7
#26 Robert K. P. Galpin Plessey Overseas Limited 7
#26 Godfrey A. Wood Molins Plc 7
#26 Roy Norman Gladwin Xerox 7
#26 John Michael Hudson Raychem Limited 7
#26 David Edward Starkey Virgin Atlantic Airways Limited 7
#26 Martin R. Ackland Metal Box P.L.C. 7
#26 Keith Rautenback Esmertec Ag 7
#35 John Denyer Medic-Aid Limited 6
#35 Trevor Rodney Jarman Talres Development (N.A.) N.V. 6
#35 Kevin Andrew Gudgion Mcafee 6
#35 Melanie Jane Windridge Koniniklijke Philips N.V. 6
#35 William Henry Ollis 6
#35 Michael Alexander Cochran Carnaudmetalbox Plc 6
#35 Arne Benjamin Colman The Procter & Gamble 6
#42 Peter Shotton Cementation Skanska Limited 5
#42 Alan S. Kaye United Kingdom Atomic Energy Authority 5
#42 Alec R. Carruthers Alh Systems Limited 5
#42 Keith Rautenbach Esmertec Ag 5
#42 Anne Mary Freeman T Cell Sciences 5
#42 Peter H. Burgess U.S. Philips 5
#42 Gary Wordsworth Interlemo Holding S.A. 5
#42 Bruce Culbert Lightship Medical Limited 5
#42 George Margetts Sterling Drug 5