Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

León, ES ranks #14,323 worldwide for total patents filed all time, with 114 patents from 64 inventors. Leading employers of inventors based in León, ES include Antibioticos S.P.A., Applied Research Systems Ars Holding N.V., Pharma Mar, S.A..

Showing 1–50 of 64 inventors

Rank Inventor Primary Company Patents
1 Jose Luis Barredo Fuente Antibioticos S.P.A. 9
2 Juan F. Martin Applied Research Systems Ars Holding N.V. 7
3 Alfonso Collados De La Vieja Antibioticos S.P.A. 6
3 Francisco Romero Millan Pharma Mar, S.A. 6
#5 Alejandro Vitaller Alba Antibioticos S.P.A. 5
#6 Tomas V. Garcia Applied Research Systems Ars Holding N.V. 4
#6 Raquel Revilla-Sanchez Tufts University 4
#8 Nieves Fraile Yecora Antibioticos S.P.A. 3
#8 José Luis Fernández Puentes Antibioticos S.P.A. 3
#8 Miguel Angel Moreno Valle Antibioticos S.P.A. 3
#8 Manuel Oliver Ruiz Antibioticos S.P.A. 3
#12 Juan Francisco Lopez Ortiz Antibioticos S.P.A. 2
#12 Carmen Schleissner Sanchez Antibioticos S.P.A. 2
#12 Francisco S. Maldonado Antibioticos S.P.A. 2
#12 Jose Maria Sanchez Lopez Valent Biosciences 2
#12 Emiliano Gonzalez De Prado Antibioticos S.P.A. 2
#12 Berta Carballido Villaverde 2
#12 Migeul Angel Moreno Valle Antibioticos S.P.A. 2
#12 Jorge Ferreras Beha Viosec 2
#20 Santiago Diez-Perez 1
#20 Jorge Luis Rodriguez Ordas 1
#20 Mario Alvarez Gonzalez 1
#20 Rosa Isabel Fernandez Chimeno Marrone Bio Innovations 1
#20 Leyre Malet Instituto Biomar, S.A 1
#20 Paco Romero Instituto Biomar, S.A 1
#20 Julia Perez Instituto Biomar, S.A 1
#20 Jose Luis Fernandez Puentes 1
#20 Francisco Fierro Fierro Antibioticos S.P.A. 1
#20 Juan Francisco Martin Martin Antibioticos S.P.A. 1
#20 Santiago GUTIERREZ MARTIN Antibioticos S.P.A. 1
#20 Francisco Javier Casqueiro Blanco Antibioticos S.P.A. 1
#20 Encarnacion Mellado Duran Antibioticos S.P.A. 1
#20 Barredo Fuente Antibioticos S.P.A. 1
#20 Josè L. Adrio MIT 1
#20 Ana M.sup.a Bravo Moral Centro De Investigaciones Energéticas, Medioambientales Y Tecnológicas O.A, M.P. 1
#20 Oscar Ferrero Barruego Antibioticos S.P.A. 1
#20 Manuel Jesus Lopez Nieto Antibioticos S.P.A. 1
#20 Santiago Gutierez Gist-Brocades N.V. 1
#20 Carmelita Rodriguez Otero Antibioticos S.P.A. 1
#20 Eduardo Montenegro Prieto Gist-Brocades N.V. 1
#20 Librada Maria Canedo Hernandez Instituto Biomar, S.A 1
#20 Antonio Medarde Fernandez Instituto Biomar, S.A 1
#20 Jose Maria Luengo Rodriguez Antibioticos S.P.A. 1
#20 Elias Rodriguez Olivera Antibioticos S.P.A. 1
#20 Jose Lopez Valent Biosciences 1
#20 Francisco Javier Fernandez Herrero Unknown 1
#20 Baltasar Minambres Rodriguez Antibioticos S.P.A. 1
#20 Honorina Martinez Blanco Antibioticos S.P.A. 1
#20 Belen Garcia Alonso Antibioticos S.P.A. 1
#20 Librada Fernandez Pharma Mar, S.A. 1