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
Yatsushiro, JP
All Time
116 patents · 48 inventors
Ranked
#14,889
of 111,555 cities
Top 15%
Showing 1–48 of 48 inventors
Rank
Inventor
Primary Company
Patents
1
Tomoji Mizutani
Kohjin Co.
15
2
Katsuyuki Yokota
Funai Electric Co.
12
3
Koji Sueoka
Globalwafers Japan Co.
7
#4
Mitiaki Matsushita
Tokyo Electron Limited
6
#5
Yasutaka Doi
Mitsubishi Electric
5
#6
Teiichi Murayama
Ykk
4
#6
Hideaki Mukohyama
Kohjin Co.
4
#8
Motoyasu Saito
Kohjin Co.
3
#8
Hisashi Kojoh
Kohjin Co.
3
#8
Ryoichi Hiraoka
Kohjin Co.
3
#8
Tadashi Terasawa
Mercian
3
#8
Keijun Hiraoka
Kohjin Co.
3
#8
Sunao Morimoto
Kohjin Co.
3
#14
Toshihiro Taguchi
Japan Science And Technology
2
#14
Noriomi Hayashi
Unknown
2
#14
Shohachi Ushijima
Kohjin Co.
2
#14
Akiyoshi Nagamoto
Kohjin Co.
2
#14
Hisashi Kojyou
Kohjin Co.
2
#14
Fumio Horita
Kohjin Co.
2
#14
Tomozi Mizutani
Kohjin Co.
2
#14
Masahobu Arita
Kohjin Co.
2
#14
Toshikatsu Oyama
Kohjin Co.
2
#14
Shuichi Morita
Kohjin Co.
2
#24
Hisashi Kojyoh
Kohjin Co.
1
#24
Yuuichi Takao
Kohjin Co.
1
#24
Mitiaki Matusita
Tokyo Electron Limited
1
#24
Hidetoshi Oogami
Kohjin Co.
1
#24
Seiichi Okuyama
Tokai Carbon Co.
1
#24
Youhei Shiokoshi
Kabushiki Kaisha Toshiba
1
#24
Yoshikazu Fukushima
Kabushiki Kaisha Toshiba
1
#24
Sigeyosi Koyabu
Kohjin Co.
1
#24
Hideaki Mukouyama
Kohjin Co.
1
#24
Yoshiro Nagatsu
Kohjin Co.
1
#24
Yoshirou Nagatsu
Kohjin Co.
1
#24
Tooru Shiroshita
Kohjin Co.
1
#24
Tamio Moriyama
Kohjin Co.
1
#24
Ichiro Sakurai
—
1
#24
Shigeyoshi Koyabu
Kohjin Co.
1
#24
Syuuichi Morita
Kohjin Co.
1
#24
Masaaki Tateiwa
Kohjin Co.
1
#24
Katuyuki Yokota
Kohjin Co.
1
#24
Kouichi Misiro
Kohjin Co.
1
#24
Tatsuhiko Kano
Minophagen Pharmaceutical Co.
1
#24
Itaru Kimura
—
1
#24
Makoto ICHIKI
Kohjin Co.
1
#24
Yukio Wakuda
Kohjin Co.
1
#24
Osamu Saeki
Kohjin Co.
1
#24
Makio Tominaga
Kohjin Co.
1