Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Waterloo, CA ranks #164 worldwide for total patents filed all time, with 17,178 patents from 2,098 inventors. Leading employers of inventors based in Waterloo, CA include Blackberry Limited, Research In Motion Limited, Vuereal.

Showing 1–50 of 2,098 inventors

Rank Inventor Primary Company Patents
1 Neil Patrick Adams Blackberry Limited 455
2 Herbert A. Little Research In Motion Limited 394
3 Gholamreza Chaji Vuereal 346
#4 Atsushi Yamada Fujitsu Limited 306
#5 Mihal Lazaridis Research In Motion Limited 284
#6 John Jong-Suk Lee The Toronto-Dominion Bank 242
#7 Gerhard Dietrich Klassen Research In Motion Limited 194
#8 Steven Henry Fyke Blackberry Limited 189
#9 Dake He Blackberry Limited 187
#9 Vadim Fux Research In Motion Limited 187
#11 David Yach Research In Motion Limited 159
#12 Michael G. Kirkup Research In Motion Limited 158
#12 Perry Jarmuszewski Research In Motion Limited 158
#14 Norman M. Ladouceur Research In Motion Limited 129
#15 Cortez Corley Research In Motion Limited 116
#16 Donald Somerset McKenzie Research In Motion Limited 115
#17 Lizhong Zhu Research In Motion Limited 113
#18 Shalini Periyalwar Nortel Networks Limited 105
#19 Ying Tong Man Research In Motion Limited 104
#20 Hyun-Jung Lee Samsung 103
#21 Lowell L. Winger Lsi 86
#21 Raymond Vander Veen Research In Motion Limited 86
#23 En-hui Yang Research In Motion Limited 83
#23 Daniel Fischer Inventio Ag 83
#23 Otman A. Basir Intel 83
#26 Michael Thomas Hardy Research In Motion Limited 82
#26 Gary P. Mousseau Research In Motion Limited 82
#28 Robert C. Swanson Intel 81
#29 Michael Corrigan Research In Motion Limited 80
#30 Darrell Reginald May Research In Motion Limited 78
#31 George Mankaruse Research In Motion Limited 76
#32 David Ryan Walker Blackberry Limited 74
#32 Harry R. Major Research In Motion Limited 74
#34 Tajinder Manku Cognitive Systems 73
#35 Marc Drader Research In Motion Limited 72
#36 Florian Kerschbaum Sap Se 70
#37 Lyall Kenneth Winger General Motors 66
#38 Sergey V. Kolomiets Research In Motion Limited 65
#38 Robert Lowles Research In Motion Limited 65
#40 Richard John George Blackberry Limited 63
#40 Barry Gilhuly Dejero Labs 63
#40 Nazih Almalki Blackberry Limited 63
#40 Christian Lorenz Airbus Operations Limited 63
#40 Kailash C. Vasudeva Maxtech Manufacturing 63
#45 Andre Novomir Hladio Intel 62
#46 Ian Robertson Research In Motion Limited 61
#47 David Tapuska Research In Motion Limited 60
#48 Lawrence Edward Kuhl Research In Motion Limited 59
#48 David Sze Dejero Labs 59
#50 Chao Chen Research In Motion Limited 58