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 6,751–6,800 of 18,772 inventors

RankNamePatents
#5550 Richard H. Hock 3
#5550 Richard Lovell Holford 3
#5550 Richard Y. Hsia 3
#5550 Rickey Johnson 3
#5550 Richard T. Kraetsch 3
#5550 Richard A. Layendecker 3
#5550 Riccardo Leonardi 3
#5550 Richard J. Levinson 3
#5550 Richard T. Madrid 3
#5550 Richard Lee Melton 3
#5550 Ritwik Mitra 3
#5550 Richard J. Mnich 3
#5550 Rick Morrison 3
#5550 Richard J. Nici 3
#5550 Richard Norris 3
#5550 Ricky L. Overmyer 3
#5550 Richard F. Pace 3
#5550 Richard J. Piereth 3
#5550 Richard N. Roberts 3
#5550 Richard Schmidt 3
#5550 Richard O. Slackman 3
#5550 Richard G. Smart 3
#5550 Richard Stanze 3
#5550 Richard A. Stubing 3
#5550 Richard B. Tatem 3
#5550 Richard Alan Warncke 3
#5550 Richard Watson 3
#5550 Robert J. Abrams 3
#5550 Robert Archibald 3
#5550 Robert L. Beecher, II 3
#5550 Robert B. Beeson, Jr. 3
#5550 Rocco Bonanni 3
#5550 Ronald W. Borsato 3
#5550 Robert F. Bridger 3
#5550 Robert M. Broberg 3
#5550 Robert C. Brockway 3
#5550 Ronald R. Brown 3
#5550 Robert D. Carvelli 3
#5550 Robert A. Checchio 3
#5550 Robert Chiczewski 3
#5550 Robert B. Comizzoli 3
#5550 Ronald D. Crawford 3
#5550 Rod Cruz 3
#5550 Roger Auguste Daemen 3
#5550 Ronnie E. Dean 3
#5550 Robert W. DeMarco 3
#5550 Robert G. Demmert 3
#5550 Robert William Gebhardt 3
#5550 Ronald V. Grippo 3
#5550 Robert J. Hanson 3