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
2020
845 patents · 365 inventors
Ranked
#386
of 44,107 cities
Top 1%
Showing 1–50 of 365 inventors
Rank
Inventor
Primary Company
Patents
1
Tatsuya Naito
Fuji Electric Co.
24
2
Takeshi Koshihara
Seiko Epson
11
2
Keiji Matsumoto
Canon
11
#4
Masahide Takano
Seiko Epson
10
#4
Keisuke Sasaki
Seiko Epson
10
#4
Yoichi Momose
Seiko Epson
10
#7
Yuichi Onozawa
Fuji Electric Co.
9
#8
Eiji Okamoto
Seiko Epson
8
#8
Masaki Shimomura
Seiko Epson
8
#8
Taku Ishizawa
Seiko Epson
8
#8
Yoshinori Nakajima
Canon
8
#12
Kaname Nagatani
Seiko Epson
7
#12
Shun Ito
Seiko Epson
7
#12
Yasuhiko Oonishi
Fuji Electric Co.
7
#12
Tomofumi YOKOYAMA
Seiko Epson
7
#12
Yasuyuki Hoshi
Fuji Electric Co.
7
#17
Hiroshi TAKISHITA
Fuji Electric Co.
6
#17
Naoki Koike
Yuyama Mfg. Co.
6
#17
Chikara KOJIMA
Seiko Epson
6
#17
Izumi Nozawa
Seiko Epson
6
#17
Masahiro Furuya
Shin-Etsu Chemical Co.
6
#17
Takahiro ANO
Seiko Epson
6
#17
Manabu Kondo
Seiko Epson
6
#17
Hitotoshi Kimura
Seiko Epson
6
#17
Yuma Fukuzawa
Seiko Epson
6
#17
Keitaro Nakano
Seiko Epson
6
#17
Masaharu Yamaji
Fuji Electric Co.
6
#17
Masanori Tanaka
Canon
6
#17
Akiko Matsuzaki
Seiko Epson
6
#17
Akimasa Kinoshita
Fuji Electric Co.
6
#17
Katsumi Yamada
Seiko Epson
6
#32
Tetsuo Shimizu
Daikin Industries
5
#32
Tomoyuki Kamakura
Seiko Epson
5
#32
Yuki Mori
Toyota
5
#32
Shinji Uchida
Sumitomo Electric Industries
5
#32
Kanechika KIYOSE
Seiko Epson
5
#32
Shun Imai
Seiko Epson
5
#32
Kensaku Matsumoto
Seiko Epson
5
#32
Takumi Nagashima
Seiko Epson
5
#40
Shunsuke Tanaka
Toyota
4
#40
Yasuhiko Kosugi
Seiko Epson
4
#40
Yukihiro Yamaguchi
Seiko Epson
4
#40
Makoto Otani
Seiko Epson
4
#40
Kazuaki Uchida
Seiko Epson
4
#40
Akira Nakamori
Fuji Electric Co.
4
#40
Hironori Matsuoka
Seiko Epson
4
#40
Yutaka Fujimaki
Seiko Epson
4
#40
Yuichi HASHIZUME
Fuji Electric Co.
4
#40
Keishirou Kumada
Fuji Electric Co.
4
#40
Shuichi Koganehira
Seiko Epson
4
1
2
3
Next »