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
8,451–8,500
of
9,820
inventors
Rank
Name
Patents
#6936
Yung-Chung Su
1
#6936
Akihiro Eto
1
#6936
Yusuke Sugimoto
1
#6936
Masanori Yamada
1
#6936
Takahiro Yamashita
1
#6936
Kaede Kurosawa
1
#6936
Kazuya Kurihara
1
#6936
Tadashi Yamazaki
1
#6936
Takehiro Yamazaki
1
#6936
Takeshi Yanagihara
1
#6936
Shoh Ikeda
1
#6936
Katsuo Kuribayashi
1
#6936
Takahisa Yano
1
#6936
Eiichi Hattori
1
#6936
Yuko Sugiura
1
#6936
Mitsuyoshi Mineyama
1
#6936
Nasaomi Sasaki
1
#6936
Masaru Takahashi
1
#6936
Katsufumi Kumano
1
#6936
Takatoshi Yasuda
1
#6936
Kazumasa Kumakura
1
#6936
Atushi Fujita
1
#6936
Atsushi Fujita
1
#6936
Tazuki Yoneda
1
#6936
Takashi Yoneoka
1
#6936
Takuroh Yoshida
1
#6936
Takuya Yoshida
1
#6936
Eiji Hashimoto
1
#6936
Kazunori Kon
1
#6936
Kyousuke Ono
1
#6936
Shuji Ichimura
1
#6936
Shigeo Horii
1
#6936
Takuya Yumoto
1
#6936
Tetsuji Aoki
1
#6936
Katsuyoshi Kodama
1
#6936
Tetsuya Asakura
1
#6936
Kazuhito Kobori
1
#6936
Te-Yu Chu
1
#6936
Kyoko Saito
1
#6936
Shinji Horie
1
#6936
Atsushi Matsuura
1
#6936
Kazumasa Kinoda
1
#6936
Tetsuroh Hirota
1
#6936
Shiro Horibe
1
#6936
Yuuji Takana
1
#6936
Yuki Takano
1
#6936
Shokichiro Hino
1
#6936
Kayo Katoh
1
#6936
Shuichi Hikichi
1
#6936
Mitsuo Fukushima
1
« Prev
168
169
170
171
172
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