Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

South Carolina ranks #28 among US states for total patents filed all time, with 70,984 patents from 15,501 inventors across 324 cities. On a per-capita basis that is 13.9 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in South Carolina All Time

Rank City Patents Inventors
#1 Greenville, SC 8,814 1,770
#2 Simpsonville, SC 6,688 1,013
#3 Columbia, SC 5,160 1,151
#4 Greer, SC 4,437 717
#5 Charleston, SC 3,625 815
#6 Spartanburg, SC 2,864 569
#7 Anderson, SC 2,786 525
#8 Fort Mill, SC 1,871 349
#9 Florence, SC 1,447 362
#10 Easley, SC 1,438 310
#11 Clemson, SC 1,230 297
#12 Rock Hill, SC 1,210 269
#13 Summerville, SC 1,184 314
#14 Aiken, SC 1,169 359
#15 Taylors, SC 1,106 195
#16 Mount Pleasant, SC 1,021 240
#17 Lexington, SC 986 291
#18 Seneca, SC 856 178
#19 Piedmont, SC 769 117
#20 Fairfax, SC 768 229
#21 Mauldin, SC 673 140
#22 Tega Cay, SC 621 137
#23 Myrtle Beach, SC 612 203
#24 Moore, SC 601 114
#25 Greenwood, SC 598 178

Top Inventors in South Carolina All Time

Rank Inventor City Company Patents
1 Peng Xu Columbia IBM 360
2 Remigijus Gaska Columbia Sensor Electronic Technology 254
3 Naoki Ito Conway Yazaki 204
#4 Shalaby W. Shalaby Anderson Poly-Med 197
#5 Foster B. Stulen Johns Island Johnson & Johnson 177
#6 Timothy Good Town and Country Metrologic Instruments 170
#7 Maxim S. Shatalov Columbia Sensor Electronic Technology 163
#8 Srikanth Chandrudu Kottilingam Greenville GE 162
#9 David Dawson Charleston The Urban Electric 157
#10 James E. Sealey, II Belton First Quality Tissue 147
#11 Robert C. Smith Chapin Covidien Lp 140
#12 Jonathan Charpia Summerville The Urban Electric 130
#13 Ronald M. Marsilio Ridgeland Invue Security Products 125
#14 Joeangel Casanova North Charleston The Urban Electric 120
#15 Jonathan Dwight Berry Simpsonville GE 119
#16 Malcolm MacCoss Seabrook Island Merck 117
#17 Benjamin Paul Lacy Greer GE 115
#17 Scott William Huffer Hartsville Sonoco Development 115
#19 Thomas Edward Johnson Greer GE 113
#20 Brandon Sloane Town and Country Bank of America 109
#21 Kenneth M. Brazell Piedmont 100
#22 Michael Lu Myers Packy Poda 99
#23 Paul William Eschenbach Roebuck Milliken Research 95
#24 David M. Grigg Rock Hill Bank of America 91
#25 Lucas John Stoia Taylors GE 89

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