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
Rifu, JP
2016
525 patents · 298 inventors
Ranked
#438
of 40,593 cities
Top 2%
Showing 1–50 of 298 inventors
Rank
Inventor
Primary Company
Patents
1
Eiji Takahashi
Kobe Steel
13
2
Masanobu Honda
Tokyo Electron Limited
11
3
Koji Kawamura
Canon
10
#4
Kazuhiro Kubota
Tokyo Electron Limited
9
#4
Yasuyuki Kudo
Hitachi
9
#4
Chishio Koshimizu
Tokyo Electron Limited
9
#7
Yohei Yamazawa
Tokyo Electron Limited
7
#7
Akihiro Shibata
Kabushiki Kaisha Toshiba
7
#9
Akira Miyazawa
Alps Electric Co.
6
#9
Ryosuke Suzuki
Nintendo Co.
6
#9
Masatoshi Ono
Funai Electric Co.
6
#9
Tadahiro Ohmi
Fujikin Incorporated
6
#9
Atsushi Ogata
Canon
6
#9
Shunichi Sato
Ricoh Company
6
#15
Hiroki Endo
Toyota
5
#15
Takahiko Kato
Hitachi
5
#15
Satoshi Kanbayashi
Fujitsu Limited
5
#15
Kazuki Narishige
Tokyo Electron Limited
5
#15
Yuki Kato
Toyota
5
#20
Tetsuo Hayakawa
Denso
4
#20
Shinji Himori
Tokyo Electron Limited
4
#20
Hironori Takeda
Alps Electric Co.
4
#20
Takahiro Senda
Sharp Kabushiki Kaisha
4
#20
Akio Takada
Dexerials
4
#20
Mari Dezawa
Tohoku University
4
#20
Takahiro Murakami
Tokyo Electron Limited
4
#20
Naoki Fujiwara
Sony
4
#20
Fumiko Yamashita
Tokyo Electron Limited
4
#20
Misako Miwa
Semiconductor Energy Laboratory
4
#20
Takayuki Katsunuma
Tokyo Electron Limited
4
#31
Hiroshi Kanai
Toyota
3
#31
Masaya Kawamata
Tokyo Electron Limited
3
#31
Hidehiko Miyakoshi
Toshiba Tec Kabushiki Kaisha
3
#31
Norihiko Amikura
Tokyo Electron Limited
3
#31
Kazunori Funazaki
Tokyo Electron Limited
3
#31
Tomiko Kamada
Tokyo Electron Limited
3
#31
Yoshiaki Saito
Kabushiki Kaisha Toshiba
3
#31
Yasuharu Sasaki
Tokyo Electron Limited
3
#31
Hiroyuki Hebiguchi
Alps Electric Co.
3
#31
Rui Takahashi
Kao
3
#31
Junichi Ikeda
Ricoh Company
3
#31
Seiji Sarayama
Ricoh Company
3
#31
Hirokazu Iwata
Ricoh Company
3
#31
Shinya Ishikawa
Tokyo Electron Limited
3
#31
Sho Taguchi
Canon
3
#31
Junya Kato
Seiko Epson
3
#31
Shingo Takahashi
Nec
3
#31
Manabu Tamura
Alps Green Devices Co.
3
#31
Atsuo Omaru
Sony
3
#50
Tatsuo Uchida
Tohoku University
2
1
2
3
Next »