Patent Leaderboard
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
Search
Companies
Inventors
Cities
States
Ricoh Company
Rank (2018):
#30
of 30,013
Top 1%
1,821 inventors
1,055
Patents 2018
Top Inventors at Ricoh Company
2018
Showing 1–50 of 1,821 inventors
Rank
Name
Patents
1
Masahiro Ishida
17
2
Kenji Ishii
14
2
Naoki Matsuda
14
2
Takahiro Asai
14
#5
Hiroshi Yoshinaga
12
#6
Kathrin Berkner
11
#7
Hiromasa Takagi
10
#8
Ippei Fujimoto
9
#8
Kenichiro Morita
9
#8
Kensuke Yamaji
9
#8
Satoshi Mizukami
9
#8
Shoh Nagamine
9
#8
Shuutaroh Yuasa
9
#8
Takuya Imai
9
#8
Takayuki Seki
9
#8
Toshihiko Shimokawa
9
#8
Yoshinaga Kato
9
#18
Ivana Tosic
8
#18
Junji Yamabe
8
#18
Kazuya Saito
8
#18
Kazunari Sawada
8
#18
Noah D. Bedard
8
#18
Scott R. Johnson
8
#18
Stuart J. Boland
8
#18
Takashi Seto
8
#18
Takahiro Yoshida
8
#27
Akihisa Mikawa
7
#27
Arinobu Yoshiura
7
#27
Fumihiro Hirose
7
#27
Hikaru Kobayashi
7
#27
Jonathan J. Hull
7
#27
Junpei Fujita
7
#27
Kenji Sugiura
7
#27
Kohji Sakai
7
#27
Seiji Saitoh
7
#27
Tohru Yashiro
7
#27
Tsuyoshi Sugimoto
7
#27
Yuuichiroh Hayashi
7
#27
Yutaka Ikebuchi
7
#40
Daniel G. Van Olst
6
#40
Fumiyoshi Kittaka
6
#40
Hiroshi Gotou
6
#40
Hideo Kanai
6
#40
Hiroyuki Takahashi
6
#40
Hiroaki Takahashi
6
#40
Jamey Graham
6
#40
Junki AOKI
6
#40
Keita Katoh
6
#40
Keisuke Kubota
6
#40
Keitaro Shoji
6
1
2
3
Next »