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 (2002):
#55
of 18,242
Top 1%
609 inventors
340
Patents 2002
Top Inventors at Ricoh Company
2002
Showing 151–200 of 609 inventors
Rank
Name
Patents
#62
Shinobu Kanatani
2
#62
Shingo Yamaguchi
2
#62
Stephen R. Savitzky
2
#62
Sunao Ikeda
2
#62
Takahiro Ito
2
#62
Takehiko Iwaoka
2
#62
Tadashi Shinohara
2
#62
Takeo Suda
2
#62
Takahiko Tokumasu
2
#62
Takeharu Tone
2
#62
Takahiro Yagishita
2
#62
Takao Yamaguchi
2
#62
Takashi Yamamoto
2
#62
Takashi Yano
2
#62
Tina L. Jeng
2
#62
Tomio Kondou
2
#62
Tomohiro Nakajima
2
#62
Toshihiro Shigemori
2
#62
Toshihiro Sugiyama
2
#62
Tomomi Suzuki
2
#62
Tomoko Takahashi
2
#62
Tsunemi Sugiyama
2
#62
Yasuhiro Tabata
2
#62
Yasuhiro Takahashi
2
#62
Yasuyuki Takiguchi
2
#62
Yoshio Hattori
2
#62
Yoshihiko Hotta
2
#62
Yoshimichi Katagiri
2
#62
Yoshiyuki Kimura
2
#62
Yoshihiro Kuwabara
2
#62
Yoshikatsu Nakagawa
2
#62
Yujiro Kaneko
2
#62
Yukitaka Nakazato
2
#62
Yuki Nanri
2
#62
Yuji Natori
2
#186
Kohchi Tsukasa
1
#186
Ahmad Zandi
1
#186
Aiko Ishikawa
1
#186
Akihiko Fujiwara
1
#186
Akira Kojima
1
#186
Akihiro Koseki
1
#186
Akiyo Nakajima
1
#186
Akira Nakamura
1
#186
Akihiko Shimizu
1
#186
Akira Suzuki
1
#186
Akihiro Tanaka
1
#186
Akiyoshi Tanaka
1
#186
Akio Yashiba
1
#186
Atsushi Hanai
1
#186
Atsushi Kawamura
1
« Prev
2
3
4
5
6
Next »