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
6,901–6,950
of
9,820
inventors
Rank
Name
Patents
#5693
Yuji Wada
2
#5693
Yuu Wakabayashi
2
#5693
Yusuke Watanabe
2
#5693
Yukari Yamada
2
#5693
Yuriko Yamaya
2
#5693
Yuichi Yomogida
2
#5693
Yu YONEDA
2
#5693
Yuichi Yoshida
2
#5693
Yukihiko Yoshino
2
#5693
Yukari Yoshiura
2
#5693
Zhiyu Liu
2
#5693
Zhenwei Shi
2
#5693
Adit Gupta
2
#5693
Aiko Yamazaki
2
#5693
Akihiro Etoh
2
#5693
Akihito Kameda
2
#5693
Akihiro Koseki
2
#5693
Akihiro Matsuoka
2
#5693
Akihito Nagahama
2
#5693
Akira Ohori
2
#5693
Akira Okamoto
2
#5693
Akito Okutsu
2
#5693
Akifumi Satsuka
2
#5693
Akinori Suzuki
2
#5693
Aki Takahashi
2
#5693
Akiyoshi Yasumori
2
#5693
Alan Nathan Lin
2
#5693
Arthur S. Diamond
2
#5693
Arthur C. Lutus
2
#5693
Asae Kamata
2
#5693
Athar L. Ahmad
2
#5693
Atsushi Ebara
2
#5693
Atuhisa Hujiwara
2
#5693
Atsushi Ibaraki
2
#5693
Atsushi Ishibe
2
#6936
Tatsumi Suzuki
1
#6936
Shunichi ANDO
1
#6936
Shoji Aihara
1
#6936
Shunuchi Abe
1
#6936
Takuya Suzuki
1
#6936
Shuro Abe
1
#6936
Seigo Yasuda
1
#6936
Takahiro Tago
1
#6936
Hajime Hariu
1
#6936
Seizou Suzuki
1
#6936
Seiitj Sakuma
1
#6936
Seong Ryeol Pyo
1
#6936
Seizi Murayoshi
1
#6936
Seiji Mitani
1
#6936
Seigou KAWAGUCHI
1
« Prev
137
138
139
140
141
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