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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ottawa, CA ranks #73 worldwide for total patents filed in 2018, with 1,422 patents from 739 inventors. Leading employers of inventors based in Ottawa, CA include Apple, Huawei, IBM.

Showing 1–50 of 739 inventors

Rank Inventor Primary Company Patents
1 Ming Jia Apple 34
2 Sophie Vrzic Apple 21
3 Aaron Callard Huawei 16
3 Nimal Gamini Senarath Huawei 16
#5 Kelvin Kar Kin Au Huawei 15
#6 Richard S. Sidle IBM 13
#7 Komminist Weldemariam IBM 12
#8 Ngoc Dung Dao Futurewei Technologies 11
#8 Cary James Miller Abbott 11
#8 Graham A. Watts IBM 11
#8 Mohammadhadi Baligh Huawei 11
#12 John A. Lyons IBM 10
#13 Petar Djukic Huawei 9
#13 Liqing Zhang Huawei 9
#13 Yongxia Lyu Huawei 9
#13 Iosif V. Onut IBM 9
#17 Paul Colbourne Jds Uniphase 8
#18 Alireza Pourshahid IBM 7
#18 Muhammad Khaledul Islam Blackberry Limited 7
#18 Mehdi Arashmid Akhavain Mohammadi Huawei 7
#18 Gerard L. Swinkels Ciena 7
#18 Yan Chen Huawei 7
#18 Jin-Ki Kim Mosaid Technologies Incorporated 7
#18 Sheng Sun Huawei 7
#25 Dominic John Goodwill Huawei 6
#25 James Randolph Winter Lepp Malikie Innovations Limited 6
#25 Hao Tang Huawei 6
#25 Peter B. Gillingham Mosaid Technologies Incorporated 6
#25 Hamidreza Farmanbar Huawei 6
#25 Kim B. Roberts Rockstar Consortium Us Lp 6
#25 James Henderson Quirklogic 6
#25 Yan Xin Huawei 6
#25 Xixian Chen Ericsson 6
#25 Mohsen Rais-Ghasem IBM 6
#35 Curtis T. Johnstone Quest Software 5
#35 Ozgur Ekici Blackberry Limited 5
#35 Robert W. Johnson Eaton 5
#35 Laurence Hamid Imation 5
#35 Qing Wei IBM 5
#35 Richard D. Hunter Proslide Technology 5
#35 Maurice O'Sullivan Ciena 5
#35 Peter Matthew Hillier Mitel Networks 5
#35 Han Henry Sun Infinera 5
#35 Mykola Sherstyuk Gbatteries Energy Canada 5
#35 Leslie Paul Wallis Skyworks Solutions 5
#46 Tymofiy Sherstyuk Gbatteries Energy Canada 4
#46 Kevin Bailey Joylux 4
#46 Vinay N. Wadhwa IBM 4
#46 Dongsheng Yu Blackberry Limited 4
#46 Andrew Elias Synopsys 4