Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Rouen, FR ranks #5,071 worldwide for total patents filed all time, with 524 patents from 223 inventors. Leading employers of inventors based in Rouen, FR include CEA, Valois S.A., Aventis Cropscience S.A..

Showing 1–50 of 223 inventors

Rank Inventor Primary Company Patents
1 Thierry Leroux CEA 22
2 Pascal Bruna Valois S.A. 20
3 Jean-Erick Ancel Aventis Cropscience S.A. 18
#4 Samuel Devisme Arkema France 15
#5 Thierry Monteil Bioprojet 12
#6 Pierre Sabin Unknown 11
#7 Julie Linol Les Laboratoires Servier 9
#8 Maxime Kirniak Aptar France Sas 7
#8 Fabien Poulard Aptar France Sas 7
#8 Bruno Francois Marie Delest Johnson & Johnson 7
#11 Pierre Dechelotte Targedys 6
#11 Romain Legrand Targedys 6
#11 Guillaume Brouet Aptar France Sas 6
#11 Stéphane Simon Cummins Filtration Ip 6
#11 Zakaria Sallak Aptar France Sas 6
#11 Frédéric Tronc Technip France 6
#11 Fabien Roche GE 6
#18 Jonathan Breton Targedys 5
#18 Antoine Felix-Henry Technip France 5
#18 Gilbert Rahmouni HP 5
#18 Pierre-Luc ETCHEPARE Sgd S.A. 5
#18 Guillaume Levilain Takeda Pharmaceutical Company Limited 5
#18 Anthony Caron Safran Aircraft Engines 5
#18 Bernard P. C. Sohier Societe Nationale D'Etude Et De Construction De Moteurs D'Aviation - S.N.E.C.M.A 5
#18 Matthieu Savalle Valois Sas 5
#18 Philippe Secher Coflexip 5
#18 Xavier Bouteiller Aircelle 5
#28 Florian Beaufrere Carrier 4
#28 Veronique Gomord CNRS 4
#28 Arnaud Leboucher Aptar France Sas 4
#28 Patrick Hauchard Le Grand Co. 4
#28 Damien Boureau Automa-Tech 4
#28 Mahfoud Boustta CNRS 4
#28 Yvan Rene Ferdinand Simonnet Johnson & Johnson 4
#28 Line Fiquet Witco 4
#36 Christophe Lusson Albemarle 3
#36 Emmanuelle Pariente H.B. Fuller 3
#36 Amine Sannadi Zodiac Aerosafety Systems 3
#36 Donatien Roger 3
#36 François Vurpillot Cameca 3
#36 Thierry Guinot Valeo Embrayages 3
#36 Bernard Deconihout Cameca 3
#36 Eric Selegny Agence Nationale De Valorisation De La Recherche 3
#36 Francis Marsais Roquette Freres 3
#36 Sandrine Pascal-Suisse Johnson & Johnson 3
#36 Nicolas Lucas Targedys 3
#36 Guillaume Tauvel Universite De Rouen 3
#36 Olivier Richez Autoliv Development Ab 3
#36 Fabrice Bectarte Technip France 3
#36 Jean Rigaud Coflexip 3