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 6,201–6,250 of 11,638 inventors

RankNamePatents
#5274 Christopher L. Crabtree 1
#5274 Christopher Cramer 1
#5274 Christopher Crone 1
#5274 Christopher J. Davis 1
#5274 Christopher R. Dotson 1
#5274 Charlotte C. Dye 1
#5274 Christian Eggenberger-Wang 1
#5274 Charles L. Emig, II 1
#5274 Christie Ewen 1
#5274 Christian Ewen 1
#5274 Christophe Fagiano 1
#5274 Christopher C. Fraser 1
#5274 Christopher Eric Fritz 1
#5274 Charles Patton Giles 1
#5274 Christopher Ryan Gold 1
#5274 Chennakesavalu Govindasamy 1
#5274 Charles R. Gracie 1
#5274 Charles S. Graham 1
#5274 Christine A. Grev 1
#5274 Chelsea Grindle 1
#5274 Charles E. HENDERSON 1
#5274 Chao-Kun Hu 1
#5274 Charles A. Keller 1
#5274 Changhoan Kim 1
#5274 Chiew-Seng Koay 1
#5274 Chandrasekara Kothandaraman 1
#5274 Christopher M. Laffoon 1
#5274 Christina Lau 1
#5274 Choong-Ho Lee 1
#5274 Christopher M. Lee-Shanok 1
#5274 Chuan Lei 1
#5274 Chaobo Li 1
#5274 Chung-Ching Lin 1
#5274 Chong Liu 1
#5274 Changchang Liu 1
#5274 CHANG-CHUN LIU 1
#5274 Ching-Chun Liu 1
#5274 Chee Meng Low 1
#5274 Charisse Lu 1
#5274 Chen Luo 1
#5274 Charles Lynn 1
#5274 Christopher M. Marroquin 1
#5274 Chandler Maskal 1
#5274 Christopher Matthewson 1
#5274 Chandresh Kumar Maurya 1
#5274 Chetan Mehta 1
#5274 Christopher Orfanos 1
#5274 Charles Campbell Palmer 1
#5274 Chengwen Pei 1
#5274 Christoper J. Penny 1