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 6,251–6,300 of 18,772 inventors

RankNamePatents
#5550 John M. Nichols 3
#5550 Joseph Niederberger 3
#5550 John O'Neil 3
#5550 Josef Ocenasek 3
#5550 John H. Pokropinski 3
#5550 John J. Price, Jr. 3
#5550 Joshua Reich 3
#5550 Joseph Richmeyer 3
#5550 Joseph Edward Riska 3
#5550 John Roberts 3
#5550 Joseph M. Rosamilia 3
#5550 John Richard Rosenberg 3
#5550 John Frank Saban 3
#5550 Jose Manuel Sasian-Alvarado 3
#5550 John L. Siereveld 3
#5550 John Spenik 3
#5550 John Thomas Stankey 3
#5550 Joseph A. Tamashasky 3
#5550 Joseph Tarallo 3
#5550 John Tardy 3
#5550 Jonathan M. Tobias 3
#5550 John Vallely 3
#5550 Johannes van Baardwijk 3
#5550 John Willis 3
#5550 Joseph Yates 3
#5550 John H. Zink 3
#5550 Julian Cheng 3
#5550 Julie M. Ladieu-Walton 3
#5550 Jurgen Leonhard Milisterfer 3
#5550 Juergen Pianka 3
#5550 Julie Sheridan-Eng 3
#5550 Juliana Freire Silva 3
#5550 Julian Bernard Donald Soole 3
#5550 Jyoti A. Kulkarni 3
#5550 Kazuhiro Arai 3
#5550 Kara Elisia Ford 3
#5550 Karen Freeman 3
#5550 Karen S. Kranz 3
#5550 Kaniz Mahdi 3
#5550 Karl Neybert 3
#5550 Karl W. Potts 3
#5550 Kavita Ramanan 3
#5550 Kalpendu Shastri 3
#5550 Kanwar Jit Singh 3
#5550 Kai-Yeung (Sunny) Siu 3
#5550 Kathleen C. Whildin 3
#5550 Kenneth H. Billingham 3
#5550 Kelvin B. Bradley 3
#5550 Kenneth W. Brent 3
#5550 Kevin Breuer 3