Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Bracknell, GB ranks #2,174 worldwide for total patents filed all time, with 1,463 patents from 338 inventors. Leading employers of inventors based in Bracknell, GB include ICI, Zeneca Limited, Syngenta Participations Ag.

Showing 1–50 of 338 inventors

Rank Inventor Primary Company Patents
1 John M. Clough ICI 86
2 Roger Salmon Zeneca Limited 41
3 Glynn Mitchell Zeneca Limited 33
#4 Alan Joseph Hennessy Syngenta Participations Ag 27
#5 James Nicholas Scutt Syngenta Limited 24
#5 Neil George Syngenta Limited 24
#5 Timothy Robert Hawkes Syngenta Limited 24
#8 Ian Malcolm Shirley ICI 23
#9 Russell Colin Viner Syngenta Limited 22
#10 Sally Elizabeth Russell Syngenta Crop Protection Ag 19
#11 Jeffrey Steven Wailes Syngenta Participations Ag 17
#11 Stephen Edward Shanahan Biota Scientific Management Pty 17
#11 Gordon Alastair Bell Syngenta Limited 17
#14 William Guy Whittingham Syngenta Limited 16
#14 Tim Bales Micron 16
#16 Matthew Brian Hotson Syngenta Limited 15
#16 Paul Rennie Kidde Technologies 15
#18 Colin William Smith Eli Lilly 14
#18 Nigel James Willetts Syngenta Limited 14
#18 Neil Brian Carter Syngenta Participations Ag 14
#18 Ian Kevin Jones Syngenta Participations Ag 14
#22 Elizabeth Pearl Jones Syngenta Crop Protection Ag 13
#23 Alistair John Gratrex Socionext 12
#23 Suzanna Jane DALE Syngenta Crop Protection Ag 12
#25 Julia Lynne Ramsay Syngenta Limited 11
#25 Yunas Bhonoah Syngenta Crop Protection Ag 11
#25 Matthew Robert Cordingley Syngenta Limited 11
#25 Shuji Hachisu Syngenta Participations Ag 11
#29 Kenneth Ling Syngenta Participations Ag 10
#29 Donn Warwick Moseley Syngenta Participations Ag 10
#29 Stephen Christopher Smith Syngenta Limited 10
#29 Sean NG Syngenta Crop Protection Ag 10
#29 Timothy Robert Desson Syngenta Limited 10
#29 David J. Tapolczay ICI 10
#29 John Hone Syngenta Participations Ag 10
#29 Adrian Longstaff Syngenta Limited 10
#37 Ian K. Pasco Combined Optical Industries Limited 9
#37 Terence W. Gander Mars Gb Limited 9
#37 Julia COMAS-BARCELO Syngenta Crop Protection Ag 9
#37 John Benjamin Taylor Syngenta Limited 9
#37 John A. Ray Zeneca Limited 9
#37 Michael Phillip Langford Syngenta Participations Ag 9
#37 Jebu Jacob Rajan Canon 9
#37 Jutta Elisabeth Boehmer Syngenta Limited 9
#37 Alexander William GREGORY Syngenta Crop Protection Ag 9
#37 Adam Titley Intel 9
#37 Ian Thomas Tinmouth HOULSBY Syngenta Crop Protection Ag 9
#48 David John Hughes Syngenta Limited 8
#48 Steven Fitzjohn ICI 8
#48 Susan Patricia Barnett Syngenta Limited 8