Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

IBM

Rank (2018): #1 of 30,013Top 1%
10,623 inventors
9,410 Patents 2018

Top Inventors at IBM 2018

Showing 1–50 of 10,623 inventors

RankNamePatents
1 Kangguo Cheng 324
2 Alexander Reznicek 163
3 Jason K. Resch 130
#4 Michael K. Gschwind 109
#5 Clifford A. Pickover 105
#6 Devendra K. Sadana 103
#7 Sarbajit K. Rakshit 102
#8 Joseph Kuczynski 90
#8 Tenko Yamashita 90
#10 Pouya Hashemi 89
#11 Michael Tsirkin 86
#12 Chih-Chao Yang 84
#13 Lisa Seacat DeLuca 77
#14 John M. Santosuosso 75
#15 John M. Ganci, Jr. 73
#15 Paul R. Bastide 73
#17 James E. Bostick 71
#17 Juntao Li 71
#19 Effendi Leobandung 70
#20 Veeraraghavan S. Basker 67
#21 Greg R. Dhuse 65
#22 James R. Kozloski 64
#23 Valentina Salapura 62
#24 Ali Khakifirooz 60
#25 Corville O. Allen 59
#25 Ruilong Xie 59
#27 Junli Wang 58
#27 Liam Harpur 58
#29 Andrew D. Baptist 57
#29 Karthik Balakrishnan 57
#31 Chun-Chen Yeh 56
#31 Xin Miao 56
#33 Rick A. Hamilton, II 54
#34 Ning Li 53
#34 Peng Xu 53
#36 Aaron J. Quirk 50
#36 Eli M. Dow 50
#36 Timothy J. Slegel 50
#39 Wesley B. Leggette 49
#40 Chung-Lung K. Shum 47
#40 Gregory J. Boss 47
#40 Jason T. Wertz 47
#40 Lawrence A. Clevenger 47
#44 Dylan J. Boday 46
#44 Michael J. Branson 46
#46 Robert G. Biskeborn 45
#47 Eric L. Barsness 44
#48 Omer Tripp 42
#48 Zuoguang Liu 42
#50 Dung Q. Nguyen 41