Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Knoxville, TN ranks #227 worldwide for total patents filed all time, with 12,959 patents from 2,927 inventors. Leading employers of inventors based in Knoxville, TN include IBM, Sharper Image, Ut-Battelle. That works out to 67.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 2,927 inventors

Rank Inventor Primary Company Patents
1 Brian E. Smith IBM 199
2 Charles E. Taylor Sharper Image 81
3 Sheng Dai Ut-Battelle 80
#4 Thomas E. Nelson Soltech Co. 68
#5 Cressie E. Holcombe, Jr. Martin Marietta Energy Systems 66
#6 Christopher T. Rich Woodstream 63
#7 Kenneth Ralph Piety Rdi Technologies 59
#7 Rosa Young Energy Conversion Devices 59
#7 Mohamed R. Mahfouz Techmah Medical 59
#10 Michael C. Jordan Itool Equipment Holding 58
#11 Harold Dail Kimrey, Jr. 915 Labs 57
#12 Chaitanya K. Narula Ford 53
#13 Orlando Rios Ut-Battelle 52
#13 Jian Sun Carrier 52
#13 David B. Johnson Intel 52
#13 Mariappan Parans Paranthaman Ut-Battelle 52
#17 John A. Fee Mci Communications 50
#17 Stephen F. Smith Ut-Battelle 50
#19 David F. Ekern Mastercraft Boat Company 49
#20 James W. Klett Ut-Battelle 46
#21 Mark S. Andreaco Siemens Medical Solutions Usa 45
#21 Michael D. Myers Mastercraft Boat Company 45
#23 Pooran Chandra Joshi Sharp Laboratories Of America 44
#24 Christopher E. Mainini Radio Systems 43
#24 Vladimir Y. Panin Siemens Medical Solutions Usa 43
#24 Xiaoli Liu Alipay (Hangzhou) Information Technology Co. 43
#24 Anthony J. Hayzen Computational Systems 43
#28 Donald M. Kroeger Ut-Battelle 40
#28 Donald L. Black Eastman Kodak 40
#30 Amit K. Naskar Ut-Battelle 38
#30 James L. Corbeil Siemens Medical Solutions Usa 38
#32 H. Craig Dees Provectus Pharmatech 37
#32 Jianlin Li Ut-Battelle 37
#32 Lonnie J. Love Ut-Battelle 37
#35 Edward B. Ripley Babcock & Wilcox Technical Services Y-12 35
#35 Joshua Peters Booz Allen Hamilton 35
#35 Kenneth F. Olson Survivalink 35
#35 Ilia N. Ivanov Ut-Battelle 35
#39 Roger A. Kisner Ut-Battelle 33
#40 Michael L. Simpson Ut-Battelle 32
#40 Michael Zemel Nusirt Sciences 32
#40 David L. Wood, III Ut-Battelle 32
#43 Stewart V. Bowers, III Computational Systems 31
#43 Timothy C. Scott Provectus Pharmatech 31
#45 Samuel C. Weaver Proton Power 30
#45 Arthur Hall, III 30
#47 Tomonori Saito Ut-Battelle 29
#47 John D. Holder Memc Electronic Materials 29
#47 David J. Icove University Of Tennessee 29
#47 Richard K. Fisher, Jr. Voith Hydro 29

Part of Tennessee