Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Liffré, FR ranks #9,866 worldwide for total patents filed all time, with 204 patents from 28 inventors. Leading employers of inventors based in Liffré, FR include Canon, Interdigital Vc Holdings, Interdigital Patent Holdings.

Showing 1–28 of 28 inventors

Rank Inventor Primary Company Patents
1 Patrice Nezou Canon 73
2 Pierre Andrivon Interdigital Vc Holdings 64
3 Oksana Shramkova Interdigital Patent Holdings 17
#4 Stephane Litkowski Cisco 11
#5 Frederic Guernalec Ionics France 10
#6 Francois-Louis Tariolle Thomson Licensing 4
#7 Jean-Jacques Morvan Bureau De Recherches Geologiques Et Minieres (B.R.G.M.) 2
#7 Eric Mauger Silicon Laboratories 2
#7 Nora Cuppens Alcatel Lucent 2
#10 Jean-Claude Heurteaux Thomson-Csf 1
#10 Guillaume Grach 1
#10 Ludovic Havet Interdigital Patent Holdings 1
#10 Thierry Bassi Thomson Multimedia 1
#10 Philippe Boutteloup Viaccess 1
#10 Thierry Lorand Thomson Licensing 1
#10 Daniel Boisseau Thomson Broadcast Systems 1
#10 Bernard Kneip 1
#10 Jean-Pierre Martiniere France Telecom 1
#10 Jean Rocherulle 1
#10 Matthieu Besnard Diana Naturals 1
#10 Morgane Jacob Diana Naturals 1
#10 Frédéric Cuppens Alcatel Lucent 1
#10 Jean-Claude Hertaux 1
#10 Piere Andrivon Interdigital Vc Holdings 1
#10 Jean C. Heurtaux Thomson-Csf 1
#10 Pierre Bonicel Centre National D'Etudes Des Telecommunications 1
#10 Jose Botrel L'Etat Francais Represente Par Le Ministre Des P.T.T. (Centre National D'Etudes Des Telecommunications-Cnet) 1
#10 Roger Frin L'Etat Francais Represente Par Le Ministre Des P.T.T. (Centre National D'Etudes Des Telecommunications-Cnet) 1