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
Matsumoto, JP
2018
911 patents · 422 inventors
Ranked
#270
of 41,385 cities
Top 1%
Showing 1–50 of 422 inventors
Rank
Inventor
Primary Company
Patents
1
Masahide Takano
Seiko Epson
17
2
Yoichi Naganuma
Seiko Epson
15
2
Takeshi Koshihara
Seiko Epson
15
#4
Keiji Matsumoto
Canon
13
#5
Hitotoshi Kimura
Seiko Epson
12
#6
Yasuyuki Hoshi
Fuji Electric Co.
11
#7
Naoki Koike
Yuyama Mfg. Co.
9
#7
Tatsuya Naito
Fuji Electric Co.
9
#9
Yuichi Onozawa
Fuji Electric Co.
8
#9
Hidetoshi Kodama
Seiko Epson
8
#9
Hideo Haneda
Seiko Epson
8
#9
Isamu Togashi
Seiko Epson
8
#13
Haruo Nakazawa
Fuji Electric Co.
7
#13
Akimasa Kinoshita
Fuji Electric Co.
7
#13
Fusashi Kimura
Seiko Epson
7
#13
Taku Ishizawa
Seiko Epson
7
#17
Daisuke Morita
Mitsubishi Electric
6
#17
Toshikazu Kotaka
Seiko Epson
6
#17
Takeyoshi Nishimura
Fuji Electric Co.
6
#17
Shinji Uchida
Sumitomo Electric Industries
6
#17
Hidenao Suzuki
Seiko Epson
6
#17
Shun Imai
Seiko Epson
6
#17
Daisuke Fujiwara
Kyocera Document Solutions
6
#17
Shunji Takenoiri
Fuji Electric Co.
6
#17
Hidenao Kuribayashi
Fuji Electric Co.
6
#17
Tsunehiro Nakajima
Fuji Electric Co.
6
#27
Hiroaki Matsumoto
Canon
5
#27
Tetsuo Shimizu
Daikin Industries
5
#27
Kazunori Mori
Seiko Epson
5
#27
Masanobu Iwaya
Fuji Electric Co.
5
#27
Hiroshi TAKISHITA
Fuji Electric Co.
5
#27
Kenro YAJIMA
Seiko Epson
5
#27
Kanechika KIYOSE
Seiko Epson
5
#27
Takeshi Yokoyama
Fuji Electric Co.
5
#27
Teruo Takizawa
Seiko Epson
5
#27
Keisuke Sasaki
Seiko Epson
5
#27
Masaki Shimomura
Seiko Epson
5
#27
Hiroyuki Ishimori
Fujitsu Ten Limited
5
#27
Haruki Sugawara
Seiko Epson
5
#40
Koichiro Tsutsumi
Seiko Epson
4
#40
Masaharu Yamaji
Fuji Electric Co.
4
#40
Hiroyuki Hosaka
Seiko Epson
4
#40
Masashi Kamibayashi
Seiko Epson
4
#40
Satoshi Nakata
Seiko Epson
4
#40
Kenichiro Kubota
Seiko Epson
4
#40
Tetsuya Tamura
Seiko Epson
4
#40
Motoyoshi KUBOUCHI
Fuji Electric Co.
4
#40
Yukihiro Yamaguchi
Seiko Epson
4
#40
Kenichi Nishijima
Fuji Electric Co.
4
#40
Ryosuke Teramoto
Seiko Epson
4
1
2
3
Next »