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 4,701–4,750 of 18,772 inventors

RankNamePatents
#4399 Guy R. Hagan 4
#4399 Guenther Wilhelm Kammlott 4
#4399 Guang-Qin Ma 4
#4399 Guruprasad Somasundaram 4
#4399 Guang Wang 4
#4399 Gwen H. Gaffney 4
#4399 Harpreet Ahluwalia 4
#4399 Harry C. Beals, Jr. 4
#4399 Harold L. Bohannon 4
#4399 Harold Fahrer 4
#4399 Hanz Werner Herrig 4
#4399 Harvard S. Hinton 4
#4399 Harry Lawson Kight 4
#4399 Harold Aaron Lassers 4
#4399 Harold F. Muth, Jr. 4
#4399 Hayder Radha 4
#4399 Hailong Sun 4
#4399 Harvey S. Trop 4
#4399 Haitao Zheng 4
#4399 Hemant Agrawal 4
#4399 Henrik Anderson 4
#4399 Hercules Avramopoulos 4
#4399 Heribert J. Blach 4
#4399 Hendricus M. H. Bontekoe 4
#4399 Helder De Azevedo 4
#4399 Heinz Gerhauser 4
#4399 Helen L. Maynard 4
#4399 Gang Huang 4
#4399 Howard L. Bernstein 4
#4399 Hong Y. Chung 4
#4399 Holger Claussen 4
#4399 Hongbin Ji 4
#4399 Hoang P. Nguyen 4
#4399 Homayoon Sam 4
#4399 Hon-Chi Yu 4
#4399 Hsueh-Ming Hang 4
#4399 Huizhen Chen 4
#4399 Huang Lee 4
#4399 Hulya Seferoglu 4
#4399 Huan-Shang Tsai 4
#4399 Hwey Chang 4
#4399 Hyuckchul Jung 4
#4399 Ian Smith 4
#4399 Ibrahim Tekin 4
#4399 Iconomos A. Koullias 4
#4399 Igal Elbaz 4
#4399 Iker Arizmendi 4
#4399 Ilan Barak 4
#4399 Ioannis A. Korilis 4
#4399 Isaac Kim 4