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 (2003):
#48
of 18,594
Top 1%
684 inventors
421
Patents 2003
Top Inventors at Ricoh Company
2003
Showing 1–50 of 684 inventors
Rank
Name
Patents
1
Junichi Matsumoto
10
1
Satoshi Muramatsu
10
3
Masumi Sato
9
#4
Nobuo Kasahara
8
#5
Nobuo Iwata
7
#5
Tatsuya Niimi
7
#7
Goro Katsuyama
6
#7
Hiroto Higuchi
6
#7
Hiroaki Matsuda
6
#7
Masanori Suzuki
6
#7
Yohta Sakon
6
#12
Atsushi Nakafuji
5
#12
Chiaki Tanaka
5
#12
Hirokazu Ikenoue
5
#12
Hiroko Iwasaki
5
#12
Hideaki Mochimaru
5
#12
Jonathan J. Hull
5
#12
Katsuhiro Aoki
5
#12
Mitsuru Takahashi
5
#12
Narihito Kojima
5
#12
Nekka Matsuura
5
#12
Shunichi Sato
5
#12
Takashi Fujita
5
#12
Tatsuya Tomura
5
#12
Tetsuro Motoyama
5
#12
Tomoyuki Ichikawa
5
#12
Tomotoshi Nakahara
5
#12
Tsukuru Kai
5
#12
Tsutomu Satoh
5
#12
Yasukuni Omata
5
#12
Yoshihiro Morii
5
#32
Akio Kosuge
4
#32
Akemi Sugiyama
4
#32
Hajime Oyama
4
#32
Hiroshi Nagame
4
#32
Hiroshi Takemoto
4
#32
Hiroshi Toyoda
4
#32
Hiroshi Yoshinaga
4
#32
Ikuo Shimizu
4
#32
Jun Yura
4
#32
Kazukiyo Nagai
4
#32
Katsuyuki Omura
4
#32
Kazuhisa Sudo
4
#32
Kenichi Takekawa
4
#32
Kouta Fujimori
4
#32
Kunihiko Tomita
4
#32
Makoto Obu
4
#32
Makoto Tanaka
4
#32
Michihiko Namba
4
#32
Motoharu Kinugasa
4
1
2
3
Next »