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 (All Time):
#31
of 106,127
Top 1%
9,820 inventors
28,312
Patents All Time
Top Inventors at Ricoh Company
All Time
Showing 1,251–1,300 of 9,820 inventors
Rank
Name
Patents
#1197
Shingo Takai
18
#1197
Soichi Saiga
18
#1197
Sumio Kamoi
18
#1197
Susumu Mikajiri
18
#1197
Susumu Tatsumi
18
#1197
Tatsuya Furukawa
18
#1197
Takashi Hasegawa
18
#1197
Takashi Hashimoto
18
#1197
Tatsuya Morita
18
#1197
Takahiro Nakayama
18
#1197
Tatsuya Sugawara
18
#1197
Takeshi Yamashita
18
#1197
Takuzi Yoneda
18
#1197
Tetsuya Amano
18
#1197
Teruki Kusahara
18
#1197
Tetsuya Muto
18
#1197
Tetsuji Nishikawa
18
#1197
Toshihiro Kanematsu
18
#1197
Tsutomu Satoh
18
#1197
Yasushi Abe
18
#1197
Yasuhito Kuboshima
18
#1197
Yasuyuki Shinkai
18
#1197
Yoshiaki Hanyu
18
#1197
Yoshitaka Hayashi
18
#1197
Yoichi Kanai
18
#1197
Yoshikuni Sasaki
18
#1197
Yusuke Ishizuka
18
#1197
Yuichi Jibiki
18
#1197
Yutaka Ueda
18
#1197
Hiroaki Ishizuka
30
#1197
Akira Asaoka
18
#1197
Akira Momose
18
#1283
Atsushi Sakagami
17
#1283
Chuji Ishikawa
17
#1283
Daisuke Takagi
17
#1283
Daiki Yamashita
17
#1283
Dilan Nirushan Fernando
17
#1283
Fumiaki Arai
17
#1283
Gang Wang
17
#1283
Haruo Shida
17
#1283
Hideyuki Aota
17
#1283
Hiroshi Johno
17
#1283
Hiroki Kobayashi
17
#1283
Hiroki Kuboyama
17
#1283
Hideo Maeda
17
#1283
Hideyuki Miyazawa
17
#1283
Hidemasa Suzuki
17
#1283
Hiroshi Yokoyama
17
#1283
Ivana Tosic
17
#1283
Junichi Azumi
17
« Prev
24
25
26
27
28
Next »