Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Châteauroux, FR ranks #3,812 worldwide for total patents filed all time, with 764 patents from 227 inventors. Leading employers of inventors based in Châteauroux, FR include Westrock Packaging Systems, Societe Bic, L'Oreal.

Showing 1–50 of 227 inventors

Rank Inventor Primary Company Patents
1 Jean-Christophe Bonnain Westrock Packaging Systems 31
2 Alain Rosenzweig Societe Bic 26
3 Patrick Blin Westrock Packaging Systems 23
3 Jean-Marie Millequant L'Oreal 23
#5 Patrice Denefle Aventis Pharma S.A. 19
#6 Julien D. Merzeau Westrock Packaging Systems 17
#6 Philippe Le Bras The Mead 17
#6 Andre Legris Legris, Incorporated 17
#9 Alain Saulas The Mead 15
#10 M. Benoit Auberger Wesco S.A. 12
#10 Jean-Marc Obadia Zodiac Seats France 12
#12 Robert Regipa Centre National D'Études Spatiales 11
#12 Fabrice Avril Westrock Packaging Systems 11
#12 Philippe LeBras Meadwestvaco Packaging Systems 11
#15 Patrick Herault 10
#15 Bernard Vau Ixblue 10
#15 Daniel Delatte L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 10
#15 Philippe Jean Marie Duperray Anheuser-Busch Inbev S.A. 10
#19 Robert Nissels Berthoud S.A. 9
#19 Philippe Marechal Total Petrochemicals Research Feluy 9
#21 Charles Ehrmann 8
#21 Laurent Beaucher Société Bic 8
#21 Audrey Ricard L'Oreal 8
#21 Amelie Strohm-Volondat Westrock Packaging Systems 8
#21 Jean-Pierre Caruelle 8
#26 Laurent Labiste Valeo Equipements Electriques Moteur 7
#26 Philippe Domansky The Mead 7
#26 Pascal Brunerie Pernod Ricard 7
#26 Alain Gezault Aktiebolaget Skf 7
#26 Jean-Jacques Lhuillier U.S. Philips 7
#26 Jean-Claude Charron Chaffoteaux Et Maury 7
#26 Philippe Marie Meadwestvaco Packaging Systems 7
#26 José Bernardo De Morais 7
#34 Bernard J. P. Glotin Schlumberger Technology 6
#34 Pierre L. M. Drogo 6
#36 Francine Popescu 5
#36 Noureddine Guerrassi Delphi Technologies Ip Limited 5
#36 Pascal Martini Meadwestvaco Packaging Systems 5
#36 Gerard Vanacker Spineguard 5
#36 Michelle Sevennec Valeo 5
#36 Jean-Marc Huyghe Andritz S.A.S. 5
#36 Richard Denis Jacques Alain Enters Delphi International Operations Luxembourg S.A.R.L. 5
#36 Emmanuel Davaillon Westrock Packaging Systems 5
#44 Pascal Portrait The Mead 4
#44 Philippe Labrune L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 4
#44 David Petitdemange Decathlon 4
#44 Marc A. Monneraye U.S. Philips 4
#44 Isabelle Citti Valeo Systemes Thermiques 4
#44 Jean Godin Alcatel 4
#44 Andre Milliens The Mead 4