Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Boulogne-Billancourt, FR ranks #1,727 worldwide for total patents filed all time, with 1,933 patents from 643 inventors. Leading employers of inventors based in Boulogne-Billancourt, FR include Huawei, Moulinex, Valois S.A..

Showing 1–50 of 643 inventors

Rank Inventor Primary Company Patents
1 Cheng Li Huawei 37
2 Jean-Louis Barrault Moulinex 34
3 Aline Abergel Valois S.A. 24
3 Gilles Meunier Societe Nationale Elf Aquitaine 24
#5 Delphine Charrier L'Oreal 23
#6 Bruno Liege Dxo Labs 22
#7 Jérôme Piaton Safran Electronics & Defense 20
#8 Loïc Adamczak Tallano Technologie 19
#9 Ingmar Rudiger Land Huawei 18
#9 Jean-Claude Florent CNRS 18
#9 Jordane Grenier Safran Electronics & Defense 18
#12 Michel Delattre Thales 17
#12 Carlos De Barros Avanex 17
#14 Emmanuel MIMOUN Saint-Gobain Glass France 15
#14 Alain Jeanroy Sagem Defense Securite 15
#16 Merouane Debbah Huawei 14
#16 Yves Pichon Nissan Motor Co. 14
#16 Samuel Baudu Faurecia Sièges D'Automobile 14
#19 Jean-Marie Courteille Sagem Defense Securite 13
#20 Alain Braun Sanofi 12
#20 Michel Nollet Sagem Defense Securite 12
#22 Daniel Arnaud Societe Plymouth Francaise 11
#22 Jean-Pierre Delhomme Schlumberger Technology 11
#22 Ekaterina Burov Draka Comteq B.V. 11
#22 Marco Spini Futurewei Technologies 11
#22 Guillaume Lehee CEA 11
#27 Arnaud Davenel Safran Electronics & Defense 10
#27 Valerio Bioglio Huawei 10
#27 Andre Tobiasz Valeo 10
#30 Patrice Chetanneau Safran Electronics & Defense 9
#30 Oleg Gomolko Safran Electronics & Defense 9
#32 Nicolas Geneste Sagem Defense Securite 8
#32 Marc Pic Surys 8
#32 Vincent Pascal Safran Landing Systems 8
#32 Jean-Claude Henri Thomson-Csf 8
#32 Gilles Henry Babyzen 8
#32 Jean-Marie Bouvet Regie Nationale Des Usines Renault 8
#32 Maxime Thiebaut Idemia Identity & Security France 8
#32 Pierre Lagoutte Lmt Radio Professionnelle 8
#32 Marc Lucea Renault S.A.S. 8
#32 Francois Dufresne De Virel Sagem Defense Securite 8
#32 Roland Thieffry Safran Electronics & Defense 8
#43 Serge Bueno Alcatel 7
#43 Eric Francois Compagnie Generale Des Etablissements Michelin 7
#43 Aurélie Jouan Swarovski Aktiengesellschaft 7
#43 Jean-Claude Moatti Unknown 7
#43 Philippe Foubert Safran Electronics & Defense 7
#43 David Roberfroid Sagem Defense Securite 7
#43 Gilles R. Moris GE 7
#43 Christian Mazel Clariance 7