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 5,701–5,750 of 18,772 inventors

RankNamePatents
#5550 Christopher Wood 3
#5550 Christopher Yu 3
#5550 Chuanyun Zang 3
#5550 Clifton L. DeBlasio 3
#5550 Claude W. Duvall 3
#5550 Clifford Headley 3
#5550 Clyde A. Lawrence 3
#5550 Clayton Lockhart 3
#5550 Claywell D. Turley 3
#5550 Claude Eugene Walraven 3
#5550 Corey Feldstein 3
#5550 Corey D. Jones 3
#5550 Constance R. Pallas 3
#5550 Craig M. Conwell 3
#5550 Curtis L. Huetson 3
#5550 Cynthia Paige Amato 3
#5550 Cynthia Price Killian 3
#5550 Cynthia A. Volkert 3
#5550 D. Bruce Buchholz 3
#5550 D. Mark Parrish 3
#5550 David Aas 3
#5550 Dave Anderson 3
#5550 Dan Anthony Balogh 3
#5550 David S. Barlow 3
#5550 David G. Boyer 3
#5550 David Bradford 3
#5550 David J. Brahm 3
#5550 David A. Brown 3
#5550 David Chaiken 3
#5550 David Chang 3
#5550 David Cornett 3
#5550 Damon K. DeBusk 3
#5550 Dale Scott DeJager 3
#5550 David Raymond Dempski 3
#5550 Dawn L. Dutton 3
#5550 David Faucher 3
#5550 David Alan Gaulke 3
#5550 Dave Gipalo 3
#5550 David A. Gradl 3
#5550 David Granfors 3
#5550 Daniel Hatcher 3
#5550 David Hayward 3
#5550 Daniel Paul Heyman 3
#5550 David Huo 3
#5550 Dah-Min David Hwang 3
#5550 David E. Kaufman 3
#5550 Daniel Keim 3
#5550 David A. Kiley 3
#5550 David M. Kissel 3
#5550 David John Knight 3