Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

L'Haÿ-les-Roses, FR ranks #4,637 worldwide for total patents filed all time, with 589 patents from 159 inventors. Leading employers of inventors based in L'Haÿ-les-Roses, FR include Arkema France, Canon, L'Oreal.

Showing 1–50 of 159 inventors

Rank Inventor Primary Company Patents
1 Gilles Hochstetter Arkema France 42
2 Laurent Frouin Canon 41
3 Pascal Arnaud L'Oreal 35
#4 Romain Najman Abivax 30
#5 Thierry Dubuffet Les Laboratoires Servier 25
#6 Laurence Sebillotte-Arnaud L'Oreal 18
#7 Bruno Charpentier Centre International De Recherches Dermatalogiques Galderma (C.I.R.D.) Galderma 17
#8 Gihad Dargazanli Sanofi-Aventis 16
#9 Jacqueline Gruest Institut Pasteur 15
#10 Marie Dutreix Institut Curie 14
#11 Christophe Ricard Sap Se 9
#12 Dolores Miguel-Colombel L'Oreal 8
#12 Emmanuelle Allain Rhodia Operations 8
#12 Jacques Guegan Meccano, S.A. 8
#15 Christophe Peynet Neopost Technologies 7
#15 Emmanuelle Allain Najman Rhodia Operations 7
#15 Clément Roux Google 7
#15 Alice Chougnet-Sirapian Schlumberger Technology 7
#19 Yves Gattegno HP 6
#19 Jason Martin Ab Science 6
#19 Pascal Richart L'Oreal 6
#19 Michel Peynot Synthelabo 6
#23 Celine Philippon L'Oreal 5
#23 Daniel Sera L'Oreal 5
#23 Veronique Jacques L'Oreal 5
#23 Guy Cyprien Rhone-Poulenc Chimie 5
#23 Jacqueline Franceschini Societe D'Etudes Scientifiques Et Industrielles De L'Ile-De-France 5
#28 Edwin AZZAM 4
#28 Catherine Francese Rhone-Poulenc Chimie 4
#28 Philippe Laborie IBM 4
#28 Serge Surie Compagnie Industrial Des Telecommunications Cit-Alcatel 4
#28 Ly-Lan Nguyen L'Oreal 4
#28 Jeanne Aucouturier Cgr Mev 4
#28 Ingrid Brenne L'Oréal 4
#28 Pierre Jorgensen British Petroleum 4
#28 Emmanuel Lefort Telecommunications Radioelectriques Et Telephoniques T.R.T 4
#37 Nathalie Louvet L'Oreal 3
#37 Jean Boulogne L'Oreal 3
#37 Robert Calevo Societe Anonyme De Telecommunications - Sat 3
#37 Hayat El Yamani Schlumberger Systemes 3
#37 Roland Geyl Sagem Defense Securite 3
#37 Sebastien Bardin Amadeus S.A.S. 3
#37 Sandrine Olivier-Mabilais L'Oreal 3
#37 Boris Brouillet Albea Services 3
#37 Céline NICOLAZZI Aventis Pharma S.A. 3
#37 Sebastien Chaine Elo Touch Solutions 3
#37 Pablo BARTOLUCCI Assistance Publique—Hôpitaux De Paris (Aphp) 3
#37 Moustafa El Kurdi Stmicroelectronics (Crolles 2) Sas 3
#37 Abhay Shukla CNRS 3
#37 Laurence Sebillote-Arnaud L'Oreal 3