Patent Leaderboard
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Search
Companies
Inventors
Cities
States
Roma, IT
2021
596 patents · 337 inventors
Ranked
#486
of 42,968 cities
Top 2%
Showing 1–50 of 337 inventors
Rank
Inventor
Primary Company
Patents
1
Giuseppe Longobardi
IBM
15
2
Gianluca Della Corte
IBM
13
2
Antonio M. Sgro
IBM
13
#4
Giuseppe Ciano
IBM
11
#5
Luigi Pichetti
IBM
10
#6
Andrea Tortosa
IBM
8
#7
Alessandro Michele
Luxury Goods International (L.G.I.) Sa
7
#7
Stefano Sidoti
IBM
7
#7
Alessandro Donatelli
IBM
7
#7
Roberto Ragusa
IBM
7
#7
Alice Guidotti
IBM
7
#7
Paolo Ottaviano
IBM
7
#13
Marco Imperia
IBM
6
#14
Ilaria Gorga
IBM
5
#14
Antonio Di Cocco
IBM
5
#14
Leonida Gianfagna
IBM
5
#14
Giulia Carnevale
IBM
5
#14
Stefano Ruffini
Ericsson
5
#14
Fabio Cerri
IBM
5
#20
Marco Toscano
Bridgestone Europe Nv/Sa
4
#20
Daniele Morgantini
IBM
4
#20
Patrizia Manganelli
IBM
4
#20
Mario Sgreccia
Bridgestone
4
#20
Gianluca Gargaro
IBM
4
#20
Maurizio Carbonara
Honda Motor Co.
4
#20
Claudio Falcone
IBM
4
#20
Cristina Bonanni
IBM
4
#20
Francesco Maria Carteri
IBM
4
#20
Leonardo Rosati
IBM
4
#20
Nicola Milanese
IBM
4
#20
Sandro Piccinini
IBM
4
#20
Fabio Mungo
Accenture Global Services Limited
4
#33
Antonio Perrone
IBM
3
#33
Stefano Scialla
The Procter & Gamble
3
#33
Alessandra Del Rio
Ares Trading S.A.
3
#33
Stefano Proietti
IBM
3
#33
Marco Borgianni
IBM
3
#33
Lucia Silvestri
Bulgari S.P.A.
3
#33
Silvano Lutri
IBM
3
#33
Elisabetta Bianchi
Merck
3
#33
Viviana Tripodi
IBM
3
#33
Claudio Marinelli
IBM
3
#33
Marco Martino
IBM
3
#33
Alessio Fioravanti
IBM
3
#33
Gianluca Perreca
IBM
3
#33
Claudia Aurisicchio
Bridgestone
3
#33
Raffaele Di Ronza
Bridgestone
3
#33
Alessandro Scotti
IBM
3
#33
Vincenzo Guida
The Procter & Gamble
3
#33
Fabio Galasso
Osram Gmbh
3
1
2
3
Next »