Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ottawa, CA ranks #60 worldwide for total patents filed in 2016, with 1,497 patents from 810 inventors. Leading employers of inventors based in Ottawa, CA include Apple, IBM, Huawei.

Showing 1–50 of 810 inventors

Rank Inventor Primary Company Patents
1 Ming Jia Apple 32
2 Sophie Vrzic Apple 16
3 Michael H. Dawson IBM 15
#4 Zhuhong Zhang Huawei 14
#5 Jin-Ki Kim Mosaid Technologies Incorporated 13
#5 Aaron Callard Huawei 13
#7 Sivakumar Nagarajan Blackberry Limited 12
#7 Nimal Gamini Senarath Huawei 12
#7 Mohammadhadi Baligh Huawei 12
#7 Chuandong Li Huawei 12
#11 Dominic John Goodwill Huawei 10
#12 David Steer Nortel Networks Limited 9
#12 Graeme Johnson IBM 9
#12 Han Henry Sun Infinera 9
#12 Muhammad Khaledul Islam Blackberry Limited 9
#16 Alireza Pourshahid IBM 8
#16 Richard S. Sidle IBM 8
#16 Jason Hiltz-Laforge IBM 8
#16 Kuang-Tsan Wu Infinera 8
#16 Graham A. Watts IBM 8
#16 Gerard L. Swinkels Ciena 8
#22 Petar Djukic Huawei 7
#22 Graham A. Chapman IBM 7
#22 Daniel Alecu RTX (Raytheon) 7
#22 Dongsheng Yu Blackberry Limited 7
#22 Kelvin Kar Kin Au Huawei 7
#22 Hyoung Seub Rhie Conversant Intellectual Property Management 7
#28 David Miedema Ciena 6
#28 Hong Beom Pyeon Mosaid Technologies Incorporated 6
#28 Matthew S. Chmiel IBM 6
#28 Daniel Jonas Major Blackberry Limited 6
#28 Gamini Senarath Futurewei Technologies 6
#28 Marc Holness Ciena 6
#28 Patrick J. Foody Iogen 6
#28 Ramaswamy Subramanian Alcatel Lucent 6
#36 Stephen J. Flint 5
#36 Xiaoyi Bao The University Of Ottawa 5
#36 Sean MacLean Murray Bce 5
#36 Dritan Celo Huawei 5
#36 Liang Chen The University Of Ottawa 5
#36 Ozgur Ekici Blackberry Limited 5
#36 David Steer 5
#36 Guy Podjarny Akamai Technologies 5
#36 Adam Sachs Ford 5
#36 Kim B. Roberts Rockstar Consortium Us Lp 5
#36 David Seal Shopify 5
#36 Francois Bourdon Teoxane 5
#36 HakJune Oh Mosaid Technologies Incorporated 5
#36 Sergiy Romanovskyy TSMC 5
#50 Ahmed Abdelsamie Blackberry Limited 4