Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Ian Alexander Macpherson Ciba Specialty Chemicals 2
2 Robert McNaught Gailey J. & P. Coats Limited 1
2 Brendan Mortimer Moriarty Vesuvius Crucible 1