Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Martin Russell Edwards Fujifilm Imaging Colorants 2
2 Adrian Breakwell Convatec Technologies 1
2 Nigel Peter Tait Shell Oil Compny 1
2 Paul Hanmer Swelling Solutions 1
2 David John Wedlock Shell Oil Compny 1
2 John Davenport Shell Oil Compny 1
2 Stephen Leonard Cook Innospec Limited 1
2 Melanie Jane Hughes Amcol International 1
2 Phil Bacchus Iti Scotland Limited 1
2 Andrew Kingsley Sigma-Aldrich Co. 1
2 Joanna Margaret Bauldreay Shell Oil Compny 1
2 Christine Elizabeth Marsden Pq Silicas Uk Limited 1