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
Pfizer
Rank (All Time):
#139
of 106,127
Top 1%
5,153 inventors
5,765
Patents All Time
Top Inventors at Pfizer
All Time
Showing 1–50 of 5,153 inventors
Rank
Name
Patents
1
Peter E. Cross
87
2
Gary P. Stack
61
3
Andrew Fensome
60
#4
Michael R. Johnson
59
#5
David A. Griffith
58
#5
Mark Edward Ruppen
58
#7
Patrick Robert Verhoest
57
#8
Michael Aaron Brodney
55
#9
Annaliesa Sybil Anderson
53
#10
Anthony Marfat
52
#11
Kathrin Ute Jansen
51
#11
Lawrence S. Melvin, Jr.
51
#11
Robert L. Dow
51
#14
Kenneth Richardson
50
#15
Bruce Lefker
48
#15
Brian Thomas O'Neill
48
#15
John A. Lowe, III
48
#15
Junsuke Tone
48
#15
Yuhpyng L. Chen
48
#20
Harry Howard
47
#21
Simon F. Campbell
46
#22
Syed M. Shah
45
#23
Jay E. Wrobel
44
#24
Lei Zhang
43
#24
Mark E. Flanagan
43
#24
Philip A. Carpino
43
#24
Willard M. Welch, Jr.
43
#28
Martin James Wythes
42
#29
Puwen Zhang
41
#29
Roger P. Dickinson
41
#29
Walter P. Cullen
41
#32
Banavara L. Mylari
40
#32
David Thompson
40
#32
Matthew Frank Brown
40
#35
Derek Cecil Cole
38
#36
James F. Eggler
37
#36
Justin Keith Moran
37
#36
Rodney C. Schnur
37
#36
Alan Daniel Brown
37
#40
Chakrapani Subramanyam
36
#40
Robert A. Volkmann
36
#42
Christopher Ryan Butler
35
#42
Hiroshi Maeda
35
#42
Mark Edward Bunnage
35
#42
Roger B. Ruggeri
35
#46
Christopher M. Tegley
34
#46
David James Rawson
34
#46
Fumitaka Ito
34
#46
James P. Edwards
34
#46
Reinhard Sarges
34
1
2
3
Next »