Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Siena, IT ranks #1,394 worldwide for total patents filed in 2016, with 91 patents from 37 inventors. Leading employers of inventors based in Siena, IT include Glaxosmithkline Biologicals Sa, Novartis Ag, Atop S.P.A..

Showing 1–37 of 37 inventors

Rank Inventor Primary Company Patents
1 Paolo Costantino Glaxosmithkline Biologicals Sa 9
1 Mariagrazia Pizza Glaxosmithkline Biologicals Sa 9
3 Rino Rappuoli Novartis Ag 7
#4 Vega Masignani Novartis Ag 6
#5 Maria Scarselli Glaxosmithkline Biologicals Sa 5
#5 Massimo Ponzio Atop S.P.A. 5
#7 Marirosa Mora Glaxosmithkline Biologicals Sa 4
#7 Maria Rosaria Romano Glaxosmithkline Biologicals Sa 4
#9 Giulio Ratti Novartis Vaccines And Diagnostics 3
#9 Mario Contorni Glaxosmithkline Biologicals Sa 3
#9 Marzia Monica Giuliani Glaxosmithkline Biologicals Sa 3
#12 Barbara Baudner Glaxosmithkline Biologicals Sa 2
#12 Simone Bufali Glaxosmithkline Biologicals Sa 2
#12 Laura Serino Glaxosmithkline Biologicals Sa 2
#12 Roberto Olivieri Snamprogetti S.P.A. 2
#12 Francesca Micoli Glaxosmithkline Biologicals Sa 2
#12 Maurizio Comanducci Glaxosmithkline Biologicals Sa 2
#12 Francesco Norelli Novartis Ag 2
#19 Antonella Giglioli 1
#19 Isabel Delany Glaxosmithkline Biologicals Sa 1
#19 Nicola Groth Seqirus Uk Limited 1
#19 Cira Daniela Rinaudo Glaxosmithkline Biologicals Sa 1
#19 Fabio Maria Sabbatini Versalis S.P.A. 1
#19 Marco Pieri Nuovo Pignone Srl 1
#19 Massimiliano Travagli Hoffmann-La Roche 1
#19 Matteo Andreini Hoffmann-La Roche 1
#19 Luca Capobianco 1
#19 Massimo Bigio Glaxosmithkline Biologicals Sa 1
#19 Domenico Maione Glaxosmithkline Biologicals Sa 1
#19 Giovanni Averani Glaxosmithkline Biologicals Sa 1
#19 Cinzia Bellucci Glaxosmithkline Biologicals Sa 1
#19 Davide Serruto Novartis Ag 1
#19 Maria Rita Fontana Glaxosmithkline Biologicals Sa 1
#19 Giacomo Cancelli 1
#19 Lucia Tagliaferri 1
#19 Silvia Fontani Novartis Ag 1
#19 Claudio Ermini 1