Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Illzach, FR ranks #18,568 worldwide for total patents filed all time, with 75 patents from 20 inventors. Leading employers of inventors based in Illzach, FR include Institut Francais Du Petrole, Control Components, Ciba Specialty Chemicals.

Showing 1–20 of 20 inventors

Rank Inventor Primary Company Patents
1 Philippe Caullet Institut Francais Du Petrole 17
2 Roger Bey Control Components 15
3 Dominique Kauffmann Ciba Specialty Chemicals 10
#4 Denis Sittler Inventio Ag 4
#4 Pierre Close AT&T 4
#6 Baptiste Tredan Superba S.A.S. 3
#6 Francois Hamy Aventis Pharma S.A. 3
#8 Stephane Sgambati Cryostar Sas 2
#8 Benoit Oswald Cerenis Therapeutics Holding S.A. 2
#8 Georges Melzac Manufacture De Machines Du Haut-Rhin 2
#8 Alain Kervagoret 2
#8 Jean-Paul Ganaye 2
#8 Alain Fuoc Xomox International Gmbh & Co. Ohg 2
#14 Francis Stoessel Mettler-Toledo Gmbh 1
#14 Jean-Michel Huot Leoni Bordnetz-Systeme Gmbh & Co. Kg 1
#14 Djafar Nassr 1
#14 Alex Zeman 1
#14 Marcel Roellinger Huntsman International 1
#14 Nicolas Schmitz Superba 1
#14 Isabelle Calderara Essilor International (Compagnie Generale D'Optique) 1