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
EN
Engelhard
Rank (All Time):
#1374
of 106,127
Top 2%
518 inventors
633
Patents All Time
Top Inventors at Engelhard
All Time
Rank
Name
Patents
1
Robert J. Farrauto
42
2
Joseph C. Dettling
34
3
Steven M. Kuznicki
32
#4
Ronald M. Heck
31
#5
Barry K. Speronello
29
#6
Michel Deeba
27
#7
James M. Chen
24
#8
Jeffrey B. Hoke
23
#9
Mitchell J. Willis
20
#10
Gerald S. Koermer
19
#11
Kenneth E. Voss
19
#12
Chung-Zong Wan
17
#13
John J. Steger
15
#14
David Stockwell
14
#15
Pascaline H. Nguyen
14
#16
Shiang Sung
14
#17
Harold Rabinowitz
13
#18
Jennifer S. Feeley
13
#19
Eric W. Stern
12
#20
Fred M. Allen
12
#21
Joseph H. Z. Wu
12
#22
Patrick W. Blosser
12
#23
Valerie A. Bell
12
#24
Zhicheng Hu
11
#25
Ahmad Moini
11
#26
Curtis J. Zimmermann
10
#27
Dennis G. Sekutowski
10
#28
Deepak S. Thakur
10
#29
Gary W. Rice
10
#30
Patrick Burk
10
#31
Raymond H. Young
10
#32
Alan R. Amundsen
10
#33
David B. Bartholic
9
#34
David Michael Glenn
9
#35
Sanjay Behl
9
#36
Teresa Kennelly
9
#37
Amrit P. Bindra
9
#38
Appadurai Thangaraj
9
#39
Brian Roberts
8
#40
Bulent O. Yavuz
8
#41
Daniel S. Fuller
8
#42
Edward N. Balko
8
#43
Gary J. Puterka
8
#44
Jacqueline S. Curran
8
#45
John K. Hochmuth
8
#46
Joseph A. Patchett
8
#47
Michael P. Galligan
8
#48
Richard A. Slepetys
8
#49
Samuel J. Tauster
8
#50
Tadeusz W. Langner
8
#51
William B. Dolan
8
#52
Yiu Lui
8
#53
Bernard Hendrik Reesink
7
#54
Carmine V. DeLuca, Jr.
7
#55
Haim Feigenbaum
7
#56
Jordan Keith Lampert
7
#57
John M. Macaoay
7
#58
Kenneth F. Butwell
7
#59
Matthew P. Larkin
7
#60
Rostam Jal Madon
7
#61
Sanath Kumar
7
#62
Saad Nemeh
7
#63
Shau-Lin F. Chen
7
#64
William J. Reagan
7
#65
Arthur Kaufman
7
#66
Byron G. Hays
6
#67
Dianne O. Simone
6
#68
Francis L. Himpsl
6
#69
George E. Gantt
6
#70
James C. Fu
6
#71
John Lawrence Calabrese
6
#72
Karl Richard Grimston
6
#73
Lawrence Shore
6
#74
Michael Gratzel
6
#75
Pascaline Tran
6
#76
Steven Jones
6
#77
Terence C. Poles
6
#78
Thomas J. Sullivan
6
#79
Timothy D. Wildman
6
#80
Xinsheng Liu
6
#81
Xiaolin Yang
6
#82
Howard Furbeck
5
#83
James D. Christie
5
#84
James F. White
5
#85
John W. Byrne
5
#86
Mingting Xu
5
#87
Otto J. Adlhart
5
#88
Paul Sennett
5
#89
Paul R. Suitch
5
#90
Peter L. Terry
5
#91
Richard Jacubinas
5
#92
Robert M. Yarrington
5
#93
Yuejin Li
5
#94
Dennis R. Taylor
4
#95
Ellen S. Forbus
4
#96
Eugene Nebesh
4
#97
Gerard D. Lapadula
4
#98
Jeffrey D. Naber
4
#99
John Kiwi
4
#100
John J. Mooney
4