Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kitchener, CA ranks #332 worldwide for total patents filed in 2016, with 363 patents from 184 inventors. Leading employers of inventors based in Kitchener, CA include Research In Motion Limited, Blackberry Limited, Rockwell Automation.

Showing 1–50 of 184 inventors

Rank Inventor Primary Company Patents
1 Jason T. Griffin Research In Motion Limited 29
2 Michael S. Brown Research In Motion Limited 20
3 Christopher Lyle Bender Blackberry Limited 15
#4 Jens Kristian Poulsen Blackberry Limited 7
#5 Zhongyuan Cheng Rockwell Automation 6
#5 Christopher R. Wormald Blackberry Limited 6
#7 Jeremy Jason Auger D2L 5
#7 Navid R. Zargari Rockwell Automation 5
#7 Joseph Michael Hofer Research In Motion Limited 5
#7 Margaret Elizabeth Kuo Blackberry Limited 5
#7 Brian John Cepuran D2L 5
#7 Peter Sweeney Primal Fusion 5
#13 Stephen Arnold Devison Cognitive Systems 4
#13 Amir Keyvan Khandani Unknown 4
#13 Ryan James Fioravanti Google 4
#13 David P. Smith Caterpillar 4
#13 Ryan Alexander Geris Blackberry Limited 4
#18 Norman Weatherhead Rockwell Automation 3
#18 Chris Forrester Blackberry Limited 3
#18 Da-Rong Huang Himax Technologies Limited 3
#18 Ryan James Harrison Google 3
#18 Vahid Moosavi Blackberry Limited 3
#18 Nicholas Harold Ford Pebble Technology 3
#18 Michael Perkins Christie Digital Systems Usa 3
#18 Yuan Xiao Rockwell Automation 3
#18 Adam Louis Parco Blackberry Limited 3
#18 Samer Fahmy Blackberry Limited 3
#18 Idris S. Aleem Google 3
#18 Simon Guthrie Christie Digital Systems Usa 3
#18 Abbas Hormati Ignis Innovation 3
#18 John Domm Christie Digital Systems Usa 3
#18 Daniel Adema Google 3
#33 Bergen Albert Fletcher Blackberry Limited 2
#33 David Lockhart D2L 2
#33 Sidi El Becaye MAIGA Blackberry Limited 2
#33 Robert Joseph Lombardi Blackberry Limited 2
#33 Jonathan Gordon Sharkey Google 2
#33 Adrian Cooke Research In Motion Limited 2
#33 Dariusz Grabka D2L 2
#33 Jason Christopher Beckett Blackberry Limited 2
#33 Steven Wayne Campbell Blackberry Limited 2
#33 Roger Paul Bowman Blackberry Limited 2
#33 Aaron David Kemp Google 2
#33 Nevine Maurice Nassif Ebeid Blackberry Limited 2
#33 Glenn Daniel Wurster Blackberry Limited 2
#33 Kurt D. Rueb Virtek Vision International 2
#33 Ryan Cameron DENOMME Nicoya Lifesciences 2
#33 Theodore Andrew Witzel Onward Multi-Corp. 2
#33 Aaron Grant Thalmic Labs 2
#33 Fady Samuel Google 2