Patent Leaderboard
USPTO Patent Rankings
Data through Sept 30, 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
›
Ricoh Company
Ricoh Company
Rank
(All Time):
#31
of
106,127
Top 1%
9,820
inventors
28,312
Patents All Time
Top Inventors at Ricoh Company
All Time
Showing
6,101–6,150
of
9,820
inventors
Rank
Name
Patents
#5693
Kunio Hakkaku
2
#5693
Kunihiro Kaneuchi
2
#5693
Kumiko Kitagawa
2
#5693
Kumar Kumarappan
2
#5693
Kunikazu OKAJIMA
2
#5693
Kyohei Hamada
2
#5693
Kyle P. Manning
2
#5693
Kyoya SAWADA
2
#5693
Kyosuke Suzuki
2
#5693
Kyuya Yakushi
2
#5693
Laszlo Kovacs
2
#5693
Leonid S. Grigoryan
2
#5693
Leonard Corning Lahey
2
#5693
Liang Liang
2
#5693
Lijun Zhao
2
#5693
Lonny Chu
2
#5693
Lucian Ioan Olariu
2
#5693
Luyun Qin
2
#5693
Masashi ADACHI
2
#5693
Masato Amano
2
#5693
Mary G. Cochran
2
#5693
Masayuki Doi
2
#5693
Makoto Endo
2
#5693
Masayuki Hirata
2
#5693
Masaru Hoshina
2
#5693
Masashi Hosomi
2
#5693
Masayuki Ishihara
2
#5693
Masaaki Ishiyama
2
#5693
Masashi Isoda
2
#5693
Masato Jinbo
2
#5693
Koji Doi
2
#5693
Masao Kaneko
2
#5693
Masaya Katoh
2
#5693
Masao Katoh
2
#5693
Masanori Kawakami
2
#5693
Masaru Kawamoto
2
#5693
Masaaki Kawamura
2
#5693
Masaaki Kawasaki
2
#5693
Manabu Kimura
2
#5693
Masahiro Kisono
2
#5693
Masao Kiyohara
2
#5693
Makoto Kobayashi
2
#5693
Masatoshi Kohra
2
#5693
Masami Koide
2
#5693
Makio Kondo
2
#5693
Masatoshi Kubokura
2
#5693
Masaki Kudoh
2
#5693
Masako Kunita
2
#5693
Makoto Kuronuma
2
#5693
Masayuki Kuzuwata
2
« Prev
121
122
123
124
125
Next »
Related Companies
Honda Motor Co.
31,688
General Motors
30,466
Siemens Aktiengesellschaft
29,236
Texas Instruments
29,044
Robert Bosch Gmbh
28,491
Huawei
28,303
HP
27,406
Sharp Kabushiki Kaisha
26,341
RTX (Raytheon)
25,350