Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chatham, GB ranks #10,424 worldwide for total patents filed all time, with 189 patents from 43 inventors. Leading employers of inventors based in Chatham, GB include Sun Chemical, The University Of Greenwich, Pfizer.

Showing 1–43 of 43 inventors

Rank Inventor Primary Company Patents
1 Shaun Lawrence Herlihy Sun Chemical 31
2 Michael J. Leach The University Of Greenwich 19
3 Karl Franzmann The University Of Greenwich 18
#4 Nicholas Murray Thomson Pfizer 12
#5 Laurence Harbige The University Of Greenwich 11
#6 Peter Lenk Apple 9
#6 Douglas James Critcher Pfizer 9
#8 Manoussos Perros Pfizer 8
#9 James John Eshelby Pfizer 7
#9 Dieter Riddall The University Of Greenwich 7
#11 Sydney William Bennett International Flavors & Fragrances 5
#11 Iain Wellington Daqri 5
#13 Malcolm C. MacKenny Pfizer 4
#13 Adrian R. Tolliday Delphi Technologies Holding S.Arl 4
#13 Keith E. Wright Delphi International Operations Luxembourg S.A.R.L. 4
#16 Catherine Dunne Pfizer 3
#16 Rodney Dyason Delphi Technologies 3
#18 Shahid Jamil Delphi Technologies Holding S.Arl 2
#18 Leslie Edwin Chapman Delphi Technologies 2
#18 Julie Ann MacRae Pfizer 2
#18 Suresh Babubhai Chahwala Trigen Gmbh 2
#22 Perminder Tony Singh British Nuclear Fuels Plc 1
#22 Levett Charles Pfizer 1
#22 Harris Laurence James Pfizer 1
#22 Ference Mohacsi 1
#22 Jeremy A. Scarlett 1
#22 Cecilia Louise MacLeod The University Of Greenwich 1
#22 Abhishek Banik 1
#22 Graham Coast 1
#22 Michael George Dodd Pfizer 1
#22 Vladimir Gubala 1
#22 Martin Jesse Nagler The University Of Greenwich 1
#22 Miguel Angel Carrillo Rubio GE 1
#22 Keith Graham Walker Lucas Industries Limited 1
#22 PAUL FREDERICK CHEESMAN 1
#22 Adam Tully Delphi Technologies Ip Limited 1
#22 Anne Bruckner Pfizer 1
#22 Anthony Logan Chubb Pfizer 1
#22 Simon Arnold Howard-Field Pfizer 1
#22 Martyn Burslem Pfizer 1
#22 Mohamed Salim Valera Bae Systems Plc 1
#22 Geoffrey Lewis Florence 1
#22 Gregory Ashby Gkn Sankey Limited 1