Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–13 of 13 inventors

Rank Inventor Primary Company Patents
1 Stephen L. Holmgren AT&T 4
1 Douglas Owen Kesser Kajeet 4
1 Nicholas J. Frigo AT&T 4
#4 Gary Munson AT&T 2
#4 David L. Basore AT&T 2
#6 Robin H. Foster 1
#6 Richard D. Gitlin AT&T 1
#6 Thomas M. Quinn Bell Telephone Laboratories 1
#6 James Anthony Schmitt AT&T 1
#6 Phillip Weeks AT&T 1
#6 Theodore Sizer, II AT&T 1
#6 Christine Holmgren AT&T 1
#6 Lynn Kershner Avaya 1

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