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
5,951–6,000
of
9,820
inventors
Rank
Name
Patents
#5693
Kazumasa Minami
2
#5693
Kaori Miyahara
2
#5693
Kazuhiro Miyazaki
2
#5693
Kazuyo Mizuno
2
#5693
Kazuyoshi Morii
2
#5693
Katsushi Morimoto
2
#5693
Katsuji Morita
2
#5693
Kazuki Morita
2
#5693
Katsuo Murase
2
#5693
Kazuto NAGAHASHI
2
#5693
Kazutoshi Nagai
2
#5693
Kanichirou Nagai
2
#5693
Kazutaka Nagata
2
#5693
Kazuhiko Nakaya
2
#5693
Kaname Nomura
2
#5693
Kazutoshi Obara
2
#5693
Kazuhiro Ohba
2
#5693
Kazuki Ohnishi
2
#5693
Kayato Ohya
2
#5693
Kazuhiro Sato
2
#5693
Kazuto SHIBUYA
2
#5693
Kanta SHIMIZU
2
#5693
Kaoru Shoji
2
#5693
Katsunori Suto
2
#5693
Katsuhiko Suzuki
2
#5693
Kazusige Taguchi
2
#5693
Kana Takami
2
#5693
Kazumasa Takeuchi
2
#5693
Kamiya Takuroh
2
#5693
Katsumi Tanaka
2
#5693
Kazuyuki Tanoue
2
#5693
Kazuya Tashiro
2
#5693
Kazuhiro Terayama
2
#5693
Kazuma Torii
2
#5693
Katsuya UJIMOTO
2
#5693
Katsumi Watai
2
#5693
Kazunari Yamada
2
#5693
Kazuhito Yamamoto
2
#5693
Kazunobu Yamanaka
2
#5693
Kazuyuki Yamauchi
2
#5693
Kazushige Yasumatsu
2
#5693
Katsunobu Yoshida
2
#5693
Keita ACHI
2
#5693
Kenichiro Asada
2
#5693
Keiichi Ashida
2
#5693
Kenji Asuwa
2
#5693
Kenji Fujita
2
#5693
Kenta Hagiwara
2
#5693
Kentaroh Hara
2
#5693
Kelly Harr
2
« Prev
118
119
120
121
122
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