Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Maintenon, FR ranks #18,568 worldwide for total patents filed all time, with 75 patents from 20 inventors. Leading employers of inventors based in Maintenon, FR include Nagra Thomson Licensing, Delphi International Operations Luxembourg S.A.R.L., Institut Pasteur.

Showing 1–20 of 20 inventors

Rank Inventor Primary Company Patents
1 Michel Maillard Nagra Thomson Licensing 17
2 Erwan Guillanton Delphi International Operations Luxembourg S.A.R.L. 12
3 Yves Jacob Institut Pasteur 10
#4 Gérald Lelong Merck 8
#5 Melanie Guillanton Aptiv Technologies Ag 6
#6 Sebastien Isambert Schlumberger Technology 3
#6 Pierre Guinard Freyssinet International (Stup) 3
#8 Didier Buisson Roussel Uclaf 2
#8 Thierry Leguay 2
#8 Didier Pommier Valeo Climatisation 2
#11 Jacques Delugeard Google 1
#11 Christine Renard Fiabila 1
#11 Marie-Georgette Montaudoin Laboratoires Pharmascience 1
#11 Alain Paumier Peugeot Citroën Automobiles Sa 1
#11 Thierry Ripoche Fillon Investissement, S.A. 1
#11 Francis Desjouis Thomson-Csf 1
#11 Georges A. Grave U.S. Philips 1
#11 Martine Mercier Laboratoires Pharmascience 1
#11 Christian Reche Valeo 1
#11 Victor Roussel CEA 1