Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AT

AT&T — 37,920 Patents

Rank (All Time): #21 of 106,127Top 1%
18,772 inventors
37,920 Patents All Time

Top Inventors at AT&T All Time

Showing 5,651–5,700 of 18,772 inventors

RankNamePatents
#5550 Charles C. Cheng 3
#5550 Christopher E. D. Chidsey 3
#5550 Charles Cohn 3
#5550 Chris Dailey 3
#5550 Christopher Du 3
#5550 Christian J. Felix 3
#5550 Christopher Fernandez 3
#5550 Chong-Cheng Fu 3
#5550 Chenfei Gao 3
#5550 Christopher R. Gayle 3
#5550 Christopher Rollin Giles 3
#5550 Christopher Giles 3
#5550 Charles Richard Grafton 3
#5550 Charles E. Harm 3
#5550 Charles D. Hechtman 3
#5550 Charles W. Jackson 3
#5550 Christian Jakobsen 3
#5550 Charles E. Johnson 3
#5550 Chang-Han Jong 3
#5550 Charles Robert Kalmanek Jr. 3
#5550 Christian Kloc 3
#5550 Christian Kurtzke 3
#5550 Christopher Wai-Lung Kwan 3
#5550 Chi K. Lam 3
#5550 Charles Langevin 3
#5550 Charles Lee 3
#5550 Cheng-Chieh Lee 3
#5550 Chih-Peng Li 3
#5550 Chia-Chi Lin 3
#5550 Chi-To Lin 3
#5550 Chueng-Hsien Lin 3
#5550 Chih-Jen Lin 3
#5550 Christopher May 3
#5550 Christopher G. McHarg 3
#5550 Charles Michaelis 3
#5550 Christopher Opara 3
#5550 Christian Panse 3
#5550 Charles H. Parker 3
#5550 Chitra Phadke 3
#5550 Christopher John Pidgeon 3
#5550 Christopher Fairol Robbins 3
#5550 Charlene Ros 3
#5550 Chandan Sarkar 3
#5550 Charles T. Schlegel 3
#5550 Charles H. Sharpless 3
#5550 Charles Shen 3
#5550 Chandrasekaran Sundaramurthy 3
#5550 Chris Constantine Tsamutalis 3
#5550 Chris Vo 3
#5550 Christopher S. Welles 3