Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ottawa, CA ranks #76 worldwide for total patents filed all time, with 33,376 patents from 6,399 inventors. Leading employers of inventors based in Ottawa, CA include Apple, Research In Motion Limited, Mosaid Technologies Incorporated.

Showing 1–50 of 6,399 inventors

Rank Inventor Primary Company Patents
1 Ming Jia Apple 388
2 Anders Fahrendorff Research In Motion Limited 260
3 Jin-Ki Kim Mosaid Technologies Incorporated 218
#4 Hao Tang Huawei 194
#5 Kelvin Kar Kin Au Huawei 185
#6 Mohammadhadi Baligh Huawei 183
#7 Yongxia Lyu Huawei 170
#8 Liqing Zhang Huawei 168
#9 Sophie Vrzic Apple 166
#10 Komminist Weldemariam IBM 155
#11 Xiaoyan Bi Huawei 149
#12 Yan Xin Huawei 144
#13 Hong Beom Pyeon Mosaid Technologies Incorporated 142
#14 Peter B. Gillingham Mosaid Technologies Incorporated 141
#15 Nimal Gamini Senarath Huawei 135
#16 Robert W. Johnson Eaton 132
#17 Muhammad Khaledul Islam Blackberry Limited 130
#17 John Michael Miller Ford 130
#19 Kim B. Roberts Nortel Networks Limited 122
#20 Yan Chen Huawei 116
#21 Aaron Callard Huawei 107
#22 Ngoc Dung Dao Futurewei Technologies 105
#23 Kuang-Tsan Wu Infinera 103
#24 James Randolph Winter Lepp Malikie Innovations Limited 102
#25 Han Henry Sun Infinera 98
#26 HakJune Oh Mosaid Technologies Incorporated 96
#27 Ian James Murchison Research In Motion Limited 95
#28 Daniel Alecu RTX (Raytheon) 93
#29 John D. Miller Danaher 89
#30 Alireza Bayesteh Huawei 87
#31 David Steer Nortel Networks Limited 84
#32 Richard D. Hunter Proslide Technology 81
#33 Laurence Hamid Imation 79
#34 Richard S. Sidle IBM 77
#34 Kim B. Roberts Rockstar Consortium Us Lp 77
#36 Maurice O'Sullivan Ciena 76
#37 Xixian Chen Ericsson 75
#38 Sheng Sun Huawei 74
#39 Zhuhong Zhang Huawei 71
#40 Marc Holness Ciena 68
#41 Iosif V. Onut IBM 66
#42 Petar Djukic Huawei 65
#42 Imants R. Lauks I-Stat 65
#44 Brian Foody Iogen 64
#44 Paul Colbourne Jds Uniphase 64
#44 Dominic John Goodwill Huawei 64
#47 Jean-Philippe Paul Cormier Blackberry Limited 62
#48 Jean-Luc Archambault Ciena 61
#48 Richard C. Foss Mosaid Technologies Incorporated 61
#48 Keyvan Zarifi Huawei 61