Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ottawa, CA ranks #77 worldwide for total patents filed in 2020, with 1,660 patents from 815 inventors. Leading employers of inventors based in Ottawa, CA include Apple, Huawei, IBM.

Showing 1–50 of 815 inventors

Rank Inventor Primary Company Patents
1 Ming Jia Apple 37
2 Kelvin Kar Kin Au Huawei 35
2 Komminist Weldemariam IBM 35
#4 Yongxia Lyu Huawei 33
#5 Liqing Zhang Huawei 29
#6 Mohammadhadi Baligh Huawei 26
#7 Hao Tang Huawei 18
#7 Sophie Vrzic Apple 18
#9 Ngoc Dung Dao Futurewei Technologies 16
#9 Xiaoyan Bi Huawei 16
#9 Alireza Bayesteh Huawei 16
#9 Nimal Gamini Senarath Huawei 16
#13 Iosif V. Onut IBM 15
#14 Yan Chen Huawei 14
#15 Yan Xin Huawei 13
#15 Keyvan Zarifi Huawei 13
#17 Aaron Callard Huawei 10
#18 Richard D. Hunter Proslide Technology 9
#18 Sheng Sun Huawei 9
#20 John A. Lyons IBM 8
#20 Edward Snow Willis Blackberry Limited 8
#20 James Randolph Winter Lepp Malikie Innovations Limited 8
#23 Zhengwei Gong Huawei 7
#23 Benjamin P. Smith Inphi 7
#23 Sebastien Gareau Ciena 7
#23 Kim B. Roberts Rockstar Consortium Us Lp 7
#27 Richard S. Sidle IBM 6
#27 Marc Holness Ciena 6
#27 Zhuhong Zhang Huawei 6
#27 Peter Harris Robert Popplewell Skyworks Solutions 6
#27 Hassan Halabian Ericsson 6
#27 Muhammad Khaledul Islam Blackberry Limited 6
#27 Paul Chedore Ciena 6
#27 Hamidreza Farmanbar Huawei 6
#27 Conrad Delbert Seaman Blackberry Limited 6
#27 Guy Podjarny Akamai Technologies 6
#37 Patrick Dumais Huawei 5
#37 Roger Colbeck Power Integrations 5
#37 James Stuart Wight Tallysman Wireless 5
#37 John Michael Miller Ford 5
#37 Yiwen Wang Servicenow 5
#37 Aaron Evans Fuze 5
#37 David C. Bownass Ciena 5
#37 Maurice O'Sullivan Ciena 5
#37 Sai Mohan Kilambi Huawei 5
#37 Shahab Oveis Gharan Ciena 5
#37 Brian Foody Iogen 5
#37 Patrick J. Foody Iogen 5
#37 John Bell Turnstone Limited Partnership 5
#50 Barry A. Freel Ensyn Renewables 4