Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Carleton Place, CA ranks #7,420 worldwide for total patents filed all time, with 309 patents from 72 inventors. Leading employers of inventors based in Carleton Place, CA include Ciena, Nortel Networks Limited, Environmental Management Confederation.

Showing 1–50 of 72 inventors

Rank Inventor Primary Company Patents
1 Simon J. E. Shearman Ciena 30
2 Helmut H. Lukas Nortel Networks Limited 19
3 George R. Summers Environmental Management Confederation 17
#4 Michael E. Moy Storage Technology 15
#5 Richard Pitt Astenjohnson 12
#6 Benjamin H. Kaeppner Environmental Management Confederation 10
#6 Brian S. Kawasaki Canadian Patents And Development Limited 10
#8 Ivan Straznicky Dy4 Systems 9
#8 Thomas S. Barnett IBM 9
#10 George Chamberlain Semiconductor Insights 8
#10 Peter Conlon Mv Research Limited 8
#10 Omayma Moharram Nortel Networks Limited 8
#13 William Kemp Sequence Controls 7
#13 Robert Alexander Sawatsky Research In Motion Limited 7
#13 Mark William Janoska Alcatel Canada 7
#13 Hasler Hayes Nortel Networks Limited 7
#17 David Cruikshank Canadian Bank Note Company, Limited 6
#17 Guy J. Chaput Nortel Networks Limited 6
#17 Anton Pelteshki Stmicroelectronics (Canada) 6
#20 James McCormick Alcatel Lucent 5
#20 Murray Reid IBM 5
#20 Natalie Ann Gagnon Avaya Canada 5
#23 Geoff Barnes Intel 4
#23 Joe Cote Alcatel Lucent 4
#23 D. Gordon Knight Nortel Networks Limited 4
#23 Ron Veeneman Alcatel Canada 4
#23 Stephen Houle 4
#28 Paul Muysson 3
#28 David Patrick Overy Croda International Plc 3
#28 Jeffrey Pleau Oracle 3
#28 Richard Kubin Nortel Networks Limited 3
#28 Perry Prozeniuk Nortel Networks Limited 3
#28 Fred Stacey Ciena 3
#28 Claude Champagne Nortel Networks Limited 3
#35 Peter Joseph Adamovits Nortel Networks Limited 2
#35 Ryan Paul Amenta Ciena 2
#35 Simon Moore-Crispin Lumentum Operations 2
#35 Kevin Armstrong 2
#35 Omayma Elsayed Moharram 2
#35 Joseph Roy Cote Alcatel Lucent 2
#35 Colin David Goodall 2
#35 Robin Hudson Nortel Networks Limited 2
#35 Warren Lloyd Tomlin Canada Post 2
#35 Mike McGinnis Rohm And Haas 2
#35 Edward C. Carew Nortel Networks Limited 2
#35 Craig Stephen L. Hall 2
#35 Brian Joseph Maclsaac Mitel 2
#35 Hassler Hayes Constellation Technologies 2
#49 Kirk Devenny 1
#49 Jonathan Stephen Curtis Bce 1