Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Cary, NC ranks #84 worldwide for total patents filed in 2021, with 1,469 patents from 600 inventors. Leading employers of inventors based in Cary, NC include IBM, Cisco, Lenovo (Singapore) Pte.. That works out to 8.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 600 inventors

Rank Inventor Primary Company Patents
1 Martin G. Keen IBM 65
2 Aaron K. Baughman IBM 56
3 Carlos M. Pignataro Cisco 46
#4 John Carl Mese Lenovo (Singapore) Pte. 40
#5 Trudy L. Hewitt IBM 38
#6 Andrew R. Freed IBM 25
#7 John Weldon Nicholson Lenovo (Singapore) Pte. 22
#8 Scott Wentao Li Lenovo (Singapore) Pte. 19
#9 Robert Paul Morris Sitting Man 16
#10 Brian M. O'Connell IBM 15
#10 Qing Gong Byd Company Limited 15
#12 Kirk Spencer Francis Trinity Bay Equipment Holdings 14
#13 Yan Xu Magic Leap 13
#13 Song Wang 13
#15 Rui Zhang IBM 11
#16 Bernadette A. Carter IBM 10
#16 Jenny S. Li IBM 10
#16 Howard Locker Lenovo (United States) 10
#16 Cuong Huy Truong Lenovo (Singapore) Pte. 10
#20 Rakesh Thakare Amphenol 8
#20 Ronald Earl Stogner Sas Institute 8
#20 Kyoung Min Lee Cj Cheiljedang 8
#20 Henry Gabriel Victor Bequet Sas Institute 8
#24 Steven Matthew Just Valencell 7
#24 Aysu Ezen Can IBM 7
#24 Thomas J. Evans, IV IBM 7
#24 Brook Raymond X Display Company Technology Limited 7
#24 Adam Jerome Cavenaugh Lenovo (Singapore) Pte. 7
#24 Eric D. Agdeppa Hill-Rom Services 7
#24 Timothy Winthrop Kingsbury Lenovo (Singapore) Pte. 7
#24 Randy Bernard Ideal Industries Lighting 7
#32 Bina K. Thakkar Emc Ip Holding Company 6
#32 Richard J. Schuman Hill-Rom Services 6
#32 William J. Green 6
#32 Juan F. Vargas IBM 6
#32 Xun Liu Convenientpower Hk Limited 6
#32 Jianbang Zhang Lenovo (Singapore) Pte. 6
#32 Michael J. Whitney IBM 6
#32 Dwi Sianto Mansjur IBM 6
#32 Scott David Huss Cadence Design Systems 6
#32 Brett Alan Wujek Sas Institute 6
#42 Mona Singh Scenera Technologies 5
#42 Bradley Allen Jones Sas Institute 5
#42 Qingchun Zhang Cree 5
#42 Pradeep Kumar Nandam Eaton Intelligent Power Limited 5
#42 Nataraj Nagaratnam IBM 5
#42 John Williams Palmour Cree 5
#42 Xuewen Li Nortel Networks Limited 5
#42 Ajit Jariwala IBM 5
#42 Scott Labrozzi Disney 5

Part of North Carolina