Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Milano, IT ranks #98 worldwide for total patents filed all time, with 26,196 patents from 6,208 inventors. Leading employers of inventors based in Milano, IT include Hansgrohe Ag, Micron, Pirelli Tyre S.P.A..

Showing 1–50 of 6,208 inventors

Rank Inventor Primary Company Patents
1 Antonio Citterio Hansgrohe Ag 189
2 Andrea Redaelli Micron 148
3 Agostino Pirovano Micron 139
#4 Maurizio Marchini Pirelli Tyre S.P.A. 123
#5 Stefano S. Oggioni IBM 104
#6 Giuseppe Marchionni Ausimont S.P.A. 94
#7 Francesco Della Valle Fidia S.P.A. 91
#8 Costantino Papadimitriou De Beers Centenary Ag 90
#9 Vito Tortelli Ausimont S.P.A. 87
#10 Mario Bellini Ing. C. Olivetti & C., S.P.A. 79
#11 Gianni Mancini Pirelli Tyre S.P.A. 78
#12 Richard Sapper IBM 77
#13 Mario Varasi Pharmacia & Upjohn S.P.A. 72
#14 Flavio Francesco Villa Stmicroelectronics Sa 70
#15 Giuseppe Ferla Sgs-Thomson Microelectronics S.A. 67
#16 Marcello Mariani Micron 65
#17 Matthieu Blazy Bottega Veneta S.R.L. 64
#18 Carmelo Gandolfi Farmitalia Carlo Erba S.P.A. 63
#18 Federico Mancosu Pirelli Pneumatici S.P.A. 63
#18 Sergio Penco Farmitalia Carlo Erba S.P.A. 63
#18 Franco Rivetti Enichem Synthesis S.P.A. 63
#22 Claudio Giordano Zambon S.P.A. 62
#23 Guido Valentini Unknown 61
#24 Giampiero Bodino Gucci Timepieces Sa 59
#24 Domenico Dolce Dolce & Gabbana S.R.L. 59
#24 Stefano Gabbana Dolce & Gabbana S.R.L. 59
#27 Diego Ettore Speziari Pirelli Tyre S.P.A. 58
#28 Sigurdur Thorsteinsson 3M 57
#29 Giorgio Pagani Urea Casale Sa 56
#29 Ugo Romano Enichem Synthesis S.P.A. 56
#31 Pierpaolo Piccioli Valentino S.P.A. 55
#31 Paolo Morazzoni Indena S.P.A. 55
#33 Paolo Antinori IBM 54
#33 Marco Bramani Vibram S.P.A. 54
#35 Giuseppe Bianchi Sigma-Tau Industrie Farmaceutiche Riunite S.P.A. 53
#35 Mario Mariani Pirelli Tyre S.P.A. 53
#37 Pierangelo Misani Pirelli Tyre S.P.A. 51
#37 Stefano Montesello Pirelli Tyre S.P.A. 51
#39 Walter Navarrini Ausimont S.P.A. 50
#40 Giulio Brinati Ausimont S.P.A. 49
#40 Margherita Albano Ausimont S.P.A. 49
#42 Enri Duqi Stmicroelectronics Sa 47
#43 Maurizio Galimberti 46
#43 Alberto Meda American Standard 46
#43 Alessandro Duminuco Cisco 46
#46 Valerio Berdini Astex Therapeutics Limited 45
#46 Claudio Boffito Saes Getters S.P.A. 45
#46 Francesco Santangelo Zambon S.P.A. 45
#49 Antonino Suarato Pharmacia & Upjohn S.P.A. 44
#49 Francesco Maisano Edwards Lifesciences 44