Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–37 of 37 inventors

Rank Inventor Primary Company Patents
1 John Maddison Hamamatsu Photonics K.K. 17
2 Riad M. A. Kocache Sybron 8
2 Iain Gregory Dodsworth Twitter 8
#4 Danny F. Holman Servomex Group Limited 7
#5 Douglas R. Gillard-Hickman Rapiscan Security Products 6
#6 Stuart Cardwell Infineon Technologies Ag 5
#7 Geoffrey Spence Qinetiq Limited 4
#7 Martin James Wadsworth Eja Engineering Limited 4
#7 John Quick Smithkline Beeacham P.L.C. 4
#7 Richard Miles 4
#11 Roger Grist Oxoid Limited 3
#11 Robert J. H. Hiscock Burroughs Wellcome 3
#11 Anthony Mark Ellis Mattel 3
#14 Colin G. Stocks Servomex Group Limited 2
#14 Ian Huggett Qinetiq Limited 2
#14 David Horne U.S. Philips 2
#14 Peter James Bucklitsch 2
#14 Thomas Strand Feedback 2
#19 Leonard J. Amos The Secretary Of State For Defence In Her Britanic Majesty'S Government Of The United Kingdom Of Great Britain And Northern Ireland 1
#19 Shane Armstrong 1
#19 Ronald H. Sunderland Sybron 1
#19 Stephen Neil Brockett Standex International 1
#19 Dany F. Holman 1
#19 Robert Don Aldo Spearman Smiths Industries Plc 1
#19 Derek H. Craston University Of Texas System 1
#19 Michael J. W. Dunkley Burroughs Wellcome 1
#19 Frederick H. Bowler ICI 1
#19 Graham R. Terry Servomex Group Limited 1
#19 John P. Weight National Research Development 1
#19 Sidney D. Akehurst 1
#19 Michael Anthony Ratcliffe Servomex Group Limited 1
#19 Nicky Jay Batson Servomex Group Limited 1
#19 Craig Goodfellow Ricardo Uk Limited 1
#19 Douglas Butchers International Rectifier 1
#19 Don Spearman 1
#19 Michael William Hopps 1
#19 Vasili Kasiutsich Servomex Group Limited 1