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
6,951–7,000
of
9,820
inventors
Rank
Name
Patents
#6936
Shigeyuki Arai
1
#6936
Shuko Arai
1
#6936
Shunichi Akabane
1
#6936
Shinichiro Aimi
1
#6936
Shoji Aihara
1
#6936
Tadashi Watanabe
1
#6936
Seizou Suzuki
1
#6936
Takayuki Watanabe
1
#6936
Seikon Seki
1
#6936
Seiya OGITA
1
#6936
Seizi Murayoshi
1
#6936
Takanori Yamaki
1
#6936
Takatoshi Yamamoto
1
#6936
Taichi Yamamoto
1
#6936
Seiko Kobayashi
1
#6936
Uee Myong Hwang
1
#6936
Sei Jinsenji
1
#6936
Seiji Ishihara
1
#6936
Seiichi Ishiduka
1
#6936
Thomas Rutkowski
1
#6936
Seigo Harashima
1
#6936
Takahiro Yamashita
1
#6936
Seichi Handa
1
#6936
Seiichiro Fukushi
1
#6936
Tadashi Yamazaki
1
#6936
Takehiro Yamazaki
1
#6936
Takeshi Yanagihara
1
#6936
Seiji Adachi
1
#6936
Sayaka YASUDA
1
#6936
Takahisa Yano
1
#6936
Satoshi Uchida
1
#6936
Masaki Tsusaka
1
#6936
Satoru Toya
1
#6936
Naomasa Ishibata
1
#6936
Satoshi TOMIZAWA
1
#6936
Sakiko TOMIZAWA
1
#6936
Makoto Kohzu
1
#6936
Satoshi Takeda
1
#6936
Sachiko Takeda
1
#6936
Takayoshi Yokota
1
#6936
Satoshi Shinohara
1
#6936
Takumi Yokoyama
1
#6936
Saeko SHIMAZU
1
#6936
Tatsuo Yoshikawa
1
#6936
Satoru Shiga
1
#6936
Satoru Shibata
1
#6936
Satoshi Sekimoto
1
#6936
Sadayuki Ohsawa
1
#6936
Takuya Yumoto
1
#6936
Satoru Maeno
1
« Prev
138
139
140
141
142
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