Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Indiana ranks #20 among US states for total patents filed all time, with 170,798 patents from 33,936 inventors across 600 cities. On a per-capita basis that is 25.2 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Indiana All Time

Rank City Patents Inventors
#1 Indianapolis, IN 27,038 5,011
#2 West Lafayette, IN 10,599 1,852
#3 Carmel, IN 10,215 1,387
#4 Fort Wayne, IN 7,884 1,899
#5 Columbus, IN 7,832 1,378
#6 Warsaw, IN 5,171 777
#7 Evansville, IN 4,859 911
#8 Bloomington, IN 4,691 943
#9 Zionsville, IN 4,029 470
#10 Fishers, IN 3,476 589
#11 Greenwood, IN 3,425 649
#12 South Bend, IN 3,405 809
#13 Lafayette, IN 3,404 808
#14 Elkhart, IN 3,336 828
#15 Noblesville, IN 3,020 624
#16 Batesville, IN 2,865 287
#17 Kokomo, IN 2,705 628
#18 Granger, IN 2,603 433
#19 Westfield, IN 1,996 283
#20 Mishawaka, IN 1,371 338
#21 Anderson, IN 1,324 360
#22 Brownsburg, IN 1,234 252
#23 Newburgh, IN 1,233 240
#24 Winona Lake, IN 1,224 90
#25 Goshen, IN 1,210 306

Top Inventors in Indiana All Time

Rank Inventor City Company Patents
1 Kevin T. Stone Winona Lake Biomet Sports Medicine 344
2 Victor Hoernig Lowell Brasstech 321
3 Anthony G. Spangler Indianapolis Masco Corporation Of Indiana 294
#4 Judd A. Lord McCordsville Masco Corporation Of Indiana 287
#5 Rakesh Agrawal West Lafayette Air Products And Chemicals 244
#6 Celine Kwok Garland Zionsville Delta Faucet 242
#7 Richard W. McCoy Granger Reese Products 239
#8 William Joseph Laskar Jacksons Pioneer (Corteva) 229
#9 Kyle Jay Lively Jacksons Pioneer (Corteva) 224
#10 Ted J. Freeman Indianapolis 215
#11 Seth Fritz Carmel Masco Corporation Of Indiana 208
#12 Thad Eads Urbana Delta Faucet 204
#13 Gregory Charles Marshall Arcadia Pioneer (Corteva) 187
#14 Robert Graham Cooks West Lafayette Purdue Research Foundation 186
#15 David Coates New Palestine Eli Lilly 176
#16 Sandeep Bhatnagar Evansville Monsanto Technology 173
#17 Charles Thomas Cunnyngham Jacksons Pioneer (Corteva) 165
#18 Kenichi Yoshida Carmel Tdk 164
#19 Kenneth J. Susnjara Mentor Thermwood 163
#20 Jie Zhou Batesville Tencent 154
#20 Robert R. Gallucci McCarty GE 154
#22 Vivek A. Sujan Columbus Cummins 150
#22 Nicholas W. Medendorp, Jr. Carmel Cree 150
#22 Blayne A. Roeder Bloomington Cook Medical Technologies 150
#25 Donald H. Willis Indianapolis Thomson Licensing 142

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