Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Charlton, MA ranks #9,162 worldwide for total patents filed in 2021, with 9 patents from 9 inventors. Leading employers of inventors based in Charlton, MA include IBM, JPMorgan Chase, Varian Semiconductor Equipment Associates.

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Barny S. Sanchez IBM 1
1 Jonathan Bowden JPMorgan Chase 1
1 Yuri Erokhin Varian Semiconductor Equipment Associates 1
1 Fran Nutter Setra Systems 1
1 John Henry Lehman US Dept of Commerce 1
1 James P. Barry Karl Storz Endovision 1
1 Robin M. Bright Saint-Gobain Ceramics & Plastics 1
1 Matthew Palfreman Primetals Technologies Usa 1
1 Dan Mardirosian Global Life Sciences Solutions Usa 1

Part of Massachusetts