Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Inventors
Cities
States
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
Home
›
Companies
›
Ironwood Pharmaceuticals
IP
Ironwood Pharmaceuticals
— 46 Patents
Rank
(All Time):
#14,123
of
106,120
Top 15%
67
inventors
46
Patents All Time
Top Inventors at Ironwood Pharmaceuticals
All Time
Showing
1–50
of
67
inventors
Rank
Name
Patents
1
Mark G. Currie
25
2
Angelika Fretzen
20
3
Joel Moore
10
3
Takashi Nakai
10
#5
Ara Mermerian
9
#5
Daniel P. Zimmer
9
#5
G. Todd Milne
9
#5
Marco Kessler
9
#5
Nicholas Robert Perl
9
#5
Shalina Mahajan-Miklos
9
#11
Rajesh R. Iyengar
8
#11
Timothy Claude Barden
8
#13
Charles Kim
7
#13
Thomas Wai-Ho Lee
7
#15
Brian Cali
6
#15
Thea Norman
6
#17
Colleen Hudson
5
#17
G-Yoon Jamie Im
5
#17
James Jia
5
#17
Li Jing Sun
5
#17
Paul Allan Renhowe
5
#22
Glen Robert Rennie
4
#22
Hong Zhao
4
#22
Jason Rohde
4
#22
Kevin Sprott
4
#22
Mahendra G. Dedhiya
4
#22
Xiang Y. Yu
4
#22
Yun Mo
4
#29
Amy Ripka
3
#29
George Todd Milne
3
#29
Gideon Shapiro
3
#29
James Pearson
3
#29
James Sheppeck
3
#29
Jane Yang
3
#29
Joon Jung
3
#29
John J. Talley
3
#29
Karthik Iyer
3
#29
Kimberly Kafadar Long
3
#39
Ahmad Hashash
2
#39
Alfredo Grossi
2
#39
Andrew John Harvey
2
#39
Andrew J. McRiner
2
#39
Bernard Luke Flynn
2
#39
Bo Peng
2
#39
Caroline Kurtz
2
#39
Dharam Paul
2
#39
Matthew G. Bursavich
2
#39
Raymond E. Forslund
2
#39
Rob Livingston
2
#39
Robert Solinga
2
1
2
Next »
Related Companies
Bravo Sports
46
Maruzen Company Limited
46
Speakman
46
Excel Cell Electronics Co.
46
Thyssenkrupp Transrapid Gmbh
46
Johnson Controls Automotive Electronics Sas
46
Joingo
46
Bellandtechnology Ag
46
Implant Sciences
46