Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

IBM — 8,938 Patents in 2021

Rank (2021): #2 of 31,507Top 1%
11,638 inventors
8,938 Patents 2021

Top Inventors at IBM 2021

Showing 6,351–6,400 of 11,638 inventors

RankNamePatents
#5274 David S. Kern 1
#5274 Daniel Khapun 1
#5274 Daihee Kim 1
#5274 Dan Liu 1
#5274 Da Li Liu 1
#5274 David W. Malone 1
#5274 Daniel Margulis 1
#5274 David D. Martin 1
#5274 Daniel J. Martin 1
#5274 Daniel Martin 1
#5274 Dale Seegmiller Maudlin 1
#5274 Darren Thomas McAuliffe 1
#5274 Dale Curtis McHerron 1
#5274 Daniel McPherson 1
#5274 Daniel Specht Menezes 1
#5274 Daniel N. Millwood 1
#5274 David Monczynski 1
#5274 Daniel W. Montgomery 1
#5274 Daniel E. Moore 1
#5274 David Mullen 1
#5274 Dara P. Murphy 1
#5274 Daniel Scanteianu 1
#5274 David L. Schwartz 1
#5274 David J. Seager 1
#5274 Dante Togliatti 1
#5274 David Tolley 1
#5274 David P. Woodruff 1
#5274 David L. Wright 1
#5274 Daniela Yaniv 1
#5274 Daniel L. Yee 1
#5274 Daniele Costante Zilio 1
#5274 David P. Zmick 1
#5274 Deepankar Bhattacharjee 1
#5274 Derek R. Brewer 1
#5274 Dennis Butterstein 1
#5274 Dennis M. Carden 1
#5274 Devin A. Conley 1
#5274 Debojyoti Das 1
#5274 Debra Dean 1
#5274 Derek Difazio 1
#5274 Deepa Dubey 1
#5274 Deanna Postles Dunn Berger 1
#5274 Derek V. Duoba 1
#5274 Deirdre H. Duthil 1
#5274 Denis A. Frank 1
#5274 Devan C. Goodwin 1
#5274 Devendra Goyal 1
#5274 Deepak Gupta 1
#5274 Dean Frederick Herring 1
#5274 Derek Howard 1