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
Inagi, JP
2017
127 patents · 50 inventors
Ranked
#1,514
of 41,746 cities
Top 4%
Showing 1–50 of 50 inventors
Rank
Inventor
Primary Company
Patents
1
Hiroshi Yamamoto
Canon
21
2
Shinobu Fujita
Kabushiki Kaisha Toshiba
12
3
Takayuki Kikuchi
Seiko Epson
8
#4
Wakako Tanaka
Canon
5
#5
Yoshiro Tachibana
Canon
4
#5
Tomoyuki Kuriyama
Toyota
4
#5
Kazutaka Ikegami
Kabushiki Kaisha Toshiba
4
#5
Nobuhito Yamaguchi
Canon
4
#9
Katsuhisa Matsunaka
Canon
3
#9
Yoshiro Mihira
Canon
3
#9
Tomohiro Hashiguchi
Fujitsu Limited
3
#9
Takehiro Kajiwara
Nippon Filcon Co.
3
#9
Nao Mishima
Kabushiki Kaisha Toshiba
3
#9
Yoshihiro Sawada
Tokyo Ohka Kogyo Co.
3
#9
Masaki Oikawa
Canon
3
#16
Shimpei Miyahara
Canon
2
#16
Yojiro Tonouchi
Kabushiki Kaisha Toshiba
2
#16
Taichi Ogawa
Kabushiki Kaisha Toshiba
2
#16
Noritaka Ukiyo
Canon
2
#16
Shinya Kitajima
Fujitsu Limited
2
#16
Toshifumi Katoh
Nippon Filcon Co.
2
#16
Yasushi Yasumatsu
Canon
2
#16
Takeshi Sakaguchi
Canon
2
#16
Jun Omata
Canon
2
#25
Yasuo Komada
Canon
1
#25
Ichiro Tobita
Rigaku
1
#25
Yuichiro Katagiri
Fujitsu Limited
1
#25
Shohei Koizumi
Nikon
1
#25
Hitoshi Nishikori
Canon
1
#25
Shinichi Eguchi
Fujitsu Limited
1
#25
Eiichi Hamana
Canon
1
#25
Hideo Taka
Konica Minolta
1
#25
Hideo Miyazawa
Fujitsu Limited
1
#25
Masaki Mukouchi
Fujitsu Limited
1
#25
Asuka Ishikawa
Fujitsu Limited
1
#25
Kazuhiro Monden
Canon
1
#25
Masanori Shibata
Canon
1
#25
Dai Akutsu
Konica Minolta
1
#25
Yusuke Kawasaki
Fujitsu Limited
1
#25
Yusuke Nakaya
Canon
1
#25
Takeshi Asahina
Fujitsu Limited
1
#25
Akiko Kobayashi
Asm Ip Holding B.V.
1
#25
Tatsuya Hirose
—
1
#25
Yasushi Shinto
Canon
1
#25
Yoshiharu Maeda
Fujitsu Limited
1
#25
Yukihiro Kuroda
Canon
1
#25
Shinichiro KAWACHI
Olympus
1
#25
Kentarou Kasugai
Fujitsu Frontech Limited
1
#25
Shinichi Takaike
Fujitsu Limited
1
#25
Takatoshi Kaya
Konica Minolta
1