Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–17 of 17 inventors

Rank Inventor Primary Company Patents
1 James L. Hafner IBM 10
2 David M. Haugen Weatherford/Lamb 3
3 James H. Parry Forgent Networks 2
3 Emil P. Kartalov Caltech 2
#5 Mark Vucina 1
#5 Terence Goggin 1
#5 Tobin E. Farrand Ooma 1
#5 Marta Gomez-Chiarri State of Rhode Island 1
#5 Masaki Nagashima Tula Etechnology 1
#5 Roger Creamer Ctb/Mcgraw-Hill 1
#5 Paul Oppenheimer US Air Force 1
#5 Doug Foss Light & Motion Industries 1
#5 Diana Vucina 1
#5 Jonathan Phillips Stc.Unm 1
#5 Damon Campbell Coefficient Cycling 1
#5 Douglas Jai Fouts US Air Force 1
#5 John Sullivan Apple 1

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