Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Largo, MD ranks #23,811 worldwide for total patents filed all time, with 49 patents from 13 inventors. Leading employers of inventors based in Largo, MD include IBM, Gnb Technologies, US Army. That works out to 4.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–13 of 13 inventors

Rank Inventor Primary Company Patents
1 James E. Hughes IBM 29
2 Gary M. Hayes Gnb Technologies 3
2 William C. Patriarca 3
2 Leonard J. McGraw 3
#5 Hugh Frederick Collins US Army 2
#5 Richard B. Segar 2
#7 Cheryl A. Fennell 1
#7 Artheia E. Dingle 1
#7 Eleuterio Flores US Air Force 1
#7 Paul Eric Spruill 1
#7 Adrian Schaefer Kaba Mas 1
#7 Bernadette Taylor 1
#7 John D. Solko 1

Part of Maryland