Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Calgary, CA ranks #109 worldwide for total patents filed in 2018, with 1,038 patents from 618 inventors. Leading employers of inventors based in Calgary, CA include Evolution Engineering, Interdigital Patent Holdings, Easytrim Reveals.

Showing 1–50 of 618 inventors

Rank Inventor Primary Company Patents
1 Aaron W. Logan Evolution Engineering 29
2 Justin C. Logan Evolution Engineering 19
3 Benoit Pelletier Interdigital Patent Holdings 18
#4 Joshua George Singh Easytrim Reveals 17
#5 Patrick R. Derkacz Evolution Engineering 15
#6 XiaoChuan Wang Nova Chemicals (International) S.A. 11
#7 Daniel Jon Themig Packers Plus Energy Service 10
#8 Geoff Gosling Dirtt Environmental Solutions 9
#9 Hamidreza Khakdaman Nova Chemicals (International) S.A. 8
#9 Tieqi Li Nova Chemicals (International) S.A. 8
#9 Jacques Georgy Invensense 8
#9 Peter S. Warrick Guest Tek Interactive Entertainment 8
#9 Fazle Sibtain Nova Chemicals (International) S.A. 8
#9 Christopher John Brooke Dobbin Nova Chemicals (International) S.A. 8
#15 Majid Pahlevaninezhad Sparq Systems 7
#15 Jili Liu Evolution Engineering 7
#15 Don Getzlaf Ncs Multistage 7
#18 Mojtaba Kazemi Miraki Phoenix Technology Services 6
#18 Jili Liu 6
#20 Thomas W. Wilson, Jr. Apple 5
#20 Ronald G. Murias Interdigital Patent Holdings 5
#20 Suzan Eren Sparq Systems 5
#20 David T. Ong Guest Tek Interactive Entertainment 5
#20 Pierre Lemire Calgary Scientific 5
#20 Kewei Zhang Trican Well Service 5
#20 Brendan G. Cassidy Guest Tek Interactive Entertainment 5
#27 Stephen John Brown Nova Chemicals (International) S.A. 4
#27 Ian S. McBeth Guest Tek Interactive Entertainment 4
#27 Edward Christopher Foy Nova Chemicals (International) S.A. 4
#27 Henry Leung Empire Technology Development 4
#27 Qinyan Wang Nova Chemicals (International) S.A. 4
#27 Jignesh M. Patel Ncr 4
#27 Mohit Jain IBM 4
#27 Shawn Van Der Merwe Fort Hills Energy 4
#27 Jesse White Canadian National Railway 4
#27 Andrew T. MacMillan Guest Tek Interactive Entertainment 4
#27 Daniel W. Ahmoye Evolution Engineering 4
#38 Kevin D. Loewen Abl Ip Holding 3
#38 Jim Kearns Meg Energy 3
#38 TOM CORSCADDEN Meg Energy 3
#38 Florin Mugur Anghelescu Landmark Graphics 3
#38 Per Angman Tescom 3
#38 Michael Kurtz Under The Roof Decorating 3
#38 Edgar Fernando Yajure Tescom 3
#38 Homa Javahery IBM 3
#38 DARIUS REMESAT Meg Energy 3
#38 Matthew William Lowe Zerokey 3
#38 Garrett Douglas Abl Ip Holding 3
#38 Christopher A. Hemstock Specialized Desanders 3
#38 Derek Vincent Exner Analytics For Life 3