Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Belfast, GB ranks #2,923 worldwide for total patents filed all time, with 1,046 patents from 381 inventors. Leading employers of inventors based in Belfast, GB include Arc Devices Limited, Allstate Insurance, Icemos Technology Limited.

Showing 1–50 of 381 inventors

Rank Inventor Primary Company Patents
1 Martin Crawley Arc Devices Limited 40
2 James Gillespie Allstate Insurance 29
3 Hugh J. Griffin Icemos Technology Limited 28
#4 Laurent Wojcieszak Qualcomm 23
#4 Cormac MacNamara Icemos Technology Limited 23
#6 Conor Brogan Icemos Technology Limited 22
#7 Ralph McTeggart Rapid7 17
#8 Martyn Earle Queens University Of Belfast 15
#8 Frederick Michael McBride Johnson Controls Tyco Ip Holdings Llp 15
#10 Christopher Hardacre Queens University Of Belfast 13
#10 Brian Meehan Merial 13
#12 Peter Goodrich Queens University Of Belfast 12
#12 Gordon Allan Merial Sas 12
#14 Kevin M. Hamilton IBM 11
#15 Niall Haslam Axial Medical Printing Limited 10
#15 Benoit Hudzia Strato Scale 10
#17 Frederick G. Wilson 9
#18 Gareth Albert McCarter Chicago Mercantile Exchange 8
#18 Paul Fee Sensormatic Electronics 8
#18 Sarah Addis Rapid7 8
#18 Gill Stephens Mitsubishi Chemical Uk Limited 8
#18 Hugh Morgan Cellcentric 8
#23 Christopher Scott Fusion Antibodies Limited 7
#23 Lorenzo Trojan Axial Medical Printing Limited 7
#23 Niall Cochrane Rapid7 7
#23 David John Geddes Chicago Mercantile Exchange 7
#23 Suhas Katdare Queens University Of Belfast 7
#23 Fergal Coleman Petroliam Nasional Berhad (Petronas) 7
#23 Stephen Robert Newell Allstate Insurance 7
#23 Michael A. McKervey Warner Chilcott Company 7
#31 Nicholas Wood NVIDIA 6
#31 Harambage Quintus Nimal Gunaratne The Procter & Gamble 6
#31 Richard Buick Fusion Antibodies Limited 6
#31 Peter Nockemann Queens University Of Belfast 6
#31 Helen McCarthy Queens University Of Belfast 6
#31 Jun Qian Rapid7 6
#31 Daniel Skelton Rapid7 6
#31 Declan Harrison Openwave Mobility 6
#31 George Vernon Cordner Peacocke Full Circle Biochar 6
#31 Mark John Harrison European Components Co. Limited 6
#41 Eoghain O'Hara Queens University Of Belfast 5
#41 Lars-Kristian Svenoy Rapid7 5
#41 Paul Thomas McEntee Kingspan Holdings (Irl) Limited 5
#41 Michael John Hatrick Short Brothers Plc 5
#41 Markus Fanselow Petroliam Nasional Berhad (Petronas) 5
#41 Fumiako Sato Pulsic Limited 5
#41 Gordon P. Blair Queens University Of Belfast 5
#41 Murdo Jamie Scott McLeod Sensormatic Electronics 5
#41 Nicolas Goffard Almac Diagnostics Limited 5
#41 Paul Marquess Openwave Mobility 5