Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Cary, NC ranks #108 worldwide for total patents filed in 2023, with 1,217 patents from 575 inventors. Leading employers of inventors based in Cary, NC include Cisco, IBM, Hangzhou Ruisheng Software Co.. That works out to 7.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 575 inventors

Rank Inventor Primary Company Patents
1 Carlos M. Pignataro Cisco 36
2 Martin G. Keen IBM 34
3 Aaron K. Baughman IBM 33
#4 Qing Li Hangzhou Ruisheng Software Co. 16
#5 Rui Zhang IBM 15
#6 Yan Xu Magic Leap 14
#7 Andrew R. Freed IBM 13
#7 John Carl Mese Lenovo (Singapore) Pte. 13
#9 Bina K. Thakkar Emc Ip Holding Company 11
#9 Christopher Haywood Rambus 11
#9 Scott Wentao Li Lenovo (Singapore) Pte. 11
#12 Peter Mantovanelli Barbosa Delta Electronics 10
#12 Abdulrauf Hafeez Ericsson 10
#12 John Weldon Nicholson Lenovo (Singapore) Pte. 10
#15 Trudy L. Hewitt IBM 9
#15 Sei-Hyung Ryu Cree 9
#15 Deepak NagarajeGowda Dell Products 9
#18 Marie Coffin Cibo Technologies 8
#18 Peter D. Karabinis Atc Technologies 8
#18 Xun Liu Convenientpower Hk Limited 8
#18 Qing Gong Byd Company Limited 8
#18 Howard Locker Lenovo (United States) 8
#23 Pranab Patnaik Netapp 7
#23 Chunliang Liu Huawei 7
#23 Robert Paul Morris Sitting Man 7
#23 Shanna Hayes IBM 7
#23 Bing Shen Brightview Technologies 7
#28 Manmohan Singh Glaxosmithkline Biologicals Sa 6
#28 Kyle Bothe Wolfspeed 6
#28 Zhihong Fu Apex Brands 6
#28 Marvin Marbell Wolfspeed 6
#28 Keyur B. Desai Dell Products 6
#28 Rajiv Krishan Oracle 6
#28 Magnus Mortensen Cisco 6
#35 Sungkeun Lim Renesas Electronics America 5
#35 Ryan Adam Lekivetz Sas Institute 5
#35 Jiaqi Liang Abb Schweiz Ag 5
#35 Ronald Earl Stogner Sas Institute 5
#35 Chad Clayton Brown Align Technology 5
#35 Joseph G. Kanjirathinkal Emc Ip Holding Company 5
#35 Bradley Allen Jones Sas Institute 5
#35 Phillip Thomas Harris Align Technology 5
#35 Henry Gabriel Victor Bequet Sas Institute 5
#35 Woongsun Kim Wolfspeed 5
#35 Ruxi Wang GE 5
#35 Gregory Frederick Bush Equity Shift 5
#47 Jacob J. Sprague Liquidia Technologies 4
#47 Jeremy Robert Carlson Lenovo (Singapore) Pte. 4
#47 Zhiyu Shen Delta Electronics 4
#47 Terry Alcorn Cree 4

Part of North Carolina