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 5,201–5,250 of 18,772 inventors

RankNamePatents
#4399 Richard W. Davis 4
#4399 Richard C. Fuller 4
#4399 Richard R. Garcia 4
#4399 Richard J. Gerlach 4
#4399 Richard M. Heidebrecht 4
#4399 Richard Jamison 4
#4399 Richard Kriete 4
#4399 Richard Peter Krupka 4
#4399 Richard E. LaSpesa 4
#4399 Richard E. LeCronier 4
#4399 Richard L. McDowell 4
#4399 Richard P. Moleres 4
#4399 Rienk Mud 4
#4399 Richard Joseph Pauls 4
#4399 Richard A. Roll 4
#4399 Richard Shaw 4
#4399 Richard J. Silvestri 4
#4399 Richard Tam 4
#4399 Richard Wong 4
#4399 Robert George Ahrens 4
#4399 Robert E. Bosnak 4
#4399 Robert D. Boudreau, Jr. 4
#4399 Robert E. Braudes 4
#4399 Robert L. Carbrey 4
#4399 Robert Bryon Chambers 4
#4399 Robert G. Cole 4
#4399 Robert Guy Cowley 4
#4399 Robert H. Cushman 4
#4399 Romain Danet 4
#4399 Robert E. Dean 4
#4399 Rocco A. Del Carmine 4
#4399 Robert G. Drach 4
#4399 Rong Duan 4
#4399 Ronald Lee Earp 4
#4399 Robert W. Fish 4
#4399 Robert McLemore Fleming 4
#4399 Roger A. Fratti 4
#4399 Robert D. Gaglianello 4
#4399 Robert F. Gleason 4
#4399 Robert C. Haddon 4
#4399 Robert W. Hammond 4
#4399 Robert F. Karlicek, Jr. 4
#4399 Ross A. Kohler 4
#4399 Roger Malik 4
#4399 Rodney McTaggart 4
#4399 Robert Keith Montgomery 4
#4399 Robert F. Mortenson 4
#4399 Robert Daniel Nalbone 4
#4399 Robert J. O'Connor 4
#4399 Roberto Pieraccini 4