Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Poitiers, FR ranks #3,140 worldwide for total patents filed all time, with 961 patents from 327 inventors. Leading employers of inventors based in Poitiers, FR include Laboratoires Expanscience, CEA, L'Oreal.

Showing 1–50 of 327 inventors

Rank Inventor Primary Company Patents
1 Antoine Piccirilli Laboratoires Expanscience 41
2 Guy Aubert CEA 36
3 Christian Blaise L'Oreal 28
#4 Julia Magne-Drisch Institut Francais Du Petrole 25
#4 Christophe Fremaux Dupont Nutrition Biosciences Aps 25
#4 Pierre Druilhe Institut Pasteur 25
#4 Guy Nadal B. Braun Celsa 25
#8 Jean-Baptiste Mottin Safran Aircraft Engines 19
#9 Jean-Claude Jacquesy Laboratories Hoechst S/A 17
#10 Nathalie Pineau L'Oreal S.A. 13
#10 Denis Chretien L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 13
#12 Gerard Lerude La Telemecanique Electric 12
#12 Severine Arlanda Cartier International B.V. 12
#12 Michel Broussely Alcatel 12
#15 Denis Darmancier Institut Francais Du Petrole 10
#15 Marie-Paule Jouannetaud Laboratoires Besins Iscovesco 10
#15 Jean-Pierre Gesson Laboratories Hoechst S/A 10
#15 Yves Joyaux Airwick Industries 10
#15 Jacques Barbier Valagro Carbone Renouvelable Poitou-Charentes 10
#20 Frederic Becq CNRS 9
#20 Thierry Ferreira CNRS 9
#20 Karen Teboul L'Oreal 9
#23 Véronique Vergona Etablissements Delsol 8
#23 Jean-Paul Gabano Saft-Societe Des Accumulateurs Fixes Et De Traction 8
#23 Jean-Marie Gombert Airwick Industries 8
#23 Marianne Fourtillan Laboratoires Besins Iscovesco 8
#23 Jean-Paul Bonnet CNRS 8
#28 Jean-Bernard Fourtillan Laboratoires Besins Iscovesco 7
#28 Pierre Comte CNRS 7
#28 Pascal Fourcassie Dupont Nutrition Biosciences Aps 7
#28 Thierry Hauet Centre Hospitalier Universitaire De Poitiers 7
#28 Omar Karam Laboratoires Besins Iscovesco 7
#33 Frederic Bataille Valagro Carbone Renouvelable Poitou-Charentes 6
#33 Philippe SOURDILLE Corneal Industrie 6
#33 Luc Tagnon Essilor International Cie Generale D'Optique 6
#33 Joel Delville CNRS 6
#33 Thomas Gérard Daniel Riviere Safran Aircraft Engines 6
#38 Jacques Dollfus CEA 5
#38 Yves Gervais Gec Alsthom Transport Sa 5
#38 Frederic Moulinas Autoliv Development Ab 5
#38 Bernard Rabussier Airwick Industries 5
#38 Cedric Dever Valagro Carbone Renouvelable Poitou-Charentes 5
#38 Juliette Hugot Snecma 5
#44 Yves Cenatiempo Rhodia Chimie 4
#44 Raphael Renaud Mgi France 4
#44 Jean-Pierre Delage Robert Bosch Gmbh 4
#44 Christian Maillot Thomson-Csf 4
#44 Daniel Duprez Elf Union 4
#44 Jean-Laurent Peube CNRS 4
#44 Alain Carnel Schlumberger Industires, S.A. 4