Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Simpsonville, SC ranks #491 worldwide for total patents filed in 2021, with 288 patents from 158 inventors. Leading employers of inventors based in Simpsonville, SC include GE, Kemet Electronics, Compagnie Generale Des Etablissements Michelin. That works out to 12.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 158 inventors

Rank Inventor Primary Company Patents
1 Jonathan Dwight Berry GE 8
2 Philip M. Lessner Kemet Electronics 7
3 Calvin Rhett Bradley Compagnie Generale Des Etablissements Michelin 6
3 Sandra Beverly Kolvick GE 6
3 Antony P. Chacko Kemet Electronics 6
#6 Qingping Chen Kemet Electronics 5
#6 John Bultitude Kemet Electronics 5
#6 Jeffrey A. Horn Kyocera Avx Components 5
#6 Mitchell D. Weaver Avx 5
#6 Wesley A. Freund Milliken & 5
#6 Darren John Danielsen GE 5
#6 Yaru Shi Kemet Electronics 5
#6 Ajaykumar Bunha Kemet Electronics 5
#14 William Scott Zemitis GE 4
#14 Michael Anthony Wondrasek GE 4
#14 Jason Duckworth Hubbell Incorporated 4
#14 Lonnie G. Jones Kemet Electronics 4
#14 Mario Joseph Arceneaux GE 4
#19 Seamus McGrath Proterra Ag 3
#19 Ronnie Dean Dover Rai Strategic Holdings 3
#19 Kwang Choi Kyocera Avx Components 3
#19 Jan Emeric Agudo GE 3
#19 Michael Douglas Arnett GE 3
#19 Jeffrey Clarence Jones GE 3
#19 Thomas Alan Mogle, II GE 3
#19 Thomas Holscher Hubbell Incorporated 3
#19 Mehmet Ciray Arvinmeritor Technology 3
#28 Brendon James Leary GE 2
#28 William D. Starnes Unknown 2
#28 Jong Ho Uhm GE 2
#28 John Andrews Hubbell Incorporated 2
#28 Diana C. Balasca Milliken & 2
#28 Steven M. Cron Compagnie Generale Des Etablissements Michelin 2
#28 Dennis Kuhnel Baverican 2
#28 Jignesh Gandhi GE 2
#28 Frank E. Gramling Compagnie Generale Des Etablissements Michelin 2
#28 Layne Z Ross Contec 2
#28 Yongjian Qiu Kemet Electronics 2
#28 Nathan A. Reed Kemet Electronics 2
#28 Markus Feigl Robert Bosch Gmbh 2
#28 Thomas Warren Weeks, Jr. Hubbell Incorporated 2
#28 Eric Miller Hubbell Incorporated 2
#28 Katherine Mruz Vis 2
#28 Jeffrey W. Bell Kemet Electronics 2
#28 Martin James Jasper GE 2
#28 Rebecca Evelyn Hefner GE 2
#28 David Wayne Weber GE 2
#28 Adam John Fredmonski GE 2
#28 Harold Robert Schnetzka York International 2
#28 Christian Guerrero Kemet Electronics 2

Part of South Carolina