Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Écully, FR ranks #3,927 worldwide for total patents filed all time, with 735 patents from 198 inventors. Leading employers of inventors based in Écully, FR include Coatex S.A., Tetra Laval Holdings & Finance S.A., I Medex Co..

Showing 1–50 of 198 inventors

Rank Inventor Primary Company Patents
1 Jean-Bernard Egraz Coatex S.A. 32
2 Michel Luzzato Tetra Laval Holdings & Finance S.A. 28
2 Jean-Louis Tayot I Medex Co. 28
#4 Patrick Kappler Atochem 27
#5 Jean-Paul Euzen Institut Francais Du Petrole 23
#6 Fabien Gaben I-Ten 22
#7 Michel Riviere 20
#8 Jean Goletto Rhone-Poulenc Industries 19
#9 Paul Broutin Institut Francais Du Petrole 18
#10 Didier Roche Merck 17
#11 Jean-Pierre Corbet Rhone-Poulenc Sante 14
#11 Thierry Pollet Alcatel 14
#13 Stéphane Thirouin Facom 12
#13 Noelle Berger Atochem 12
#15 Marc Salagnac Calor 11
#15 Viviane Massonneau Rhone-Poulenc Sante 11
#17 Georges Antoine Lopez Cair L.G.L. 9
#17 David Farrusseng Ifp Energies Nouvelles 9
#19 Dimitri CHARRIER Nexans 8
#19 Benoit Amaudric du Chaffaut Institut Francais Du Petrole 8
#19 Jean-Louis Clavel Rhone-Poulenc Agrochimie 8
#19 Manon Malatray Calor 8
#23 Florent Corlay Seb 7
#23 Valérie Lecouturier Vactech Oy 7
#23 Pierre-Marie Sedat Arkema France 7
#23 Claude Corbiere Corbiere S.A. 7
#27 Didier Festal Lipha, Lyonnaise Industrielle Pharmaceutique 6
#27 Stéphane Guillerez CEA 6
#27 Michel Riviere Virogenetics 6
#27 Luc Aujame Aventis Pasteur 6
#27 Michel Poumey 6
#27 Sylvie Cheucle Biomerieux 6
#27 Alain Theretz Biomerieux 6
#34 Emmanuel Moreau Biomerieux 5
#34 Paul Gambs Mcb.,Co. 5
#34 Gilbert Spica Bayer Cropscience 5
#34 Lowie Deffrennes Calor 5
#34 Philippe Desmettre Merial 5
#34 Eric Jourdan-Laforte L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 5
#34 Jacques Baudry Videocolor 5
#34 Bruno Giroud-Abel Rhone-Poulenc Specialities Chimiques 5
#42 Tino Krell Aventis Pasteur S.A. 4
#42 Camille Paumes Airbus Operations Limited 4
#42 Bernard Fayolle Rhone-Poulenc Industries 4
#42 Gosse Bijlenga Gist-Brocades N.V. 4
#42 Jean-Claude Guery Seb S.A. 4
#42 Eric Stéphane Fourcault Newdeal 4
#42 Florent Vallet Arkema France 4
#42 Yann Kervella CEA 4
#42 Michel Garrigues CNRS 4