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
Fukuyama, JP
1994
41 patents · 31 inventors
Ranked
#1,159
of 22,654 cities
Top 6%
Showing 1–31 of 31 inventors
Rank
Inventor
Primary Company
Patents
1
Katsuji Iguchi
Sharp Kabushiki Kaisha
6
2
Tsukasa Iio
Mitsubishi Electric
2
2
Yoshihiro Hatakeyama
Mitsubishi Electric
2
2
Yusaku Katoh
Fukuyama Gomu Kogyo Kabushiki Gaisha
2
2
Shinsaku Yamasaki
Mitsubishi Electric
2
2
Koichi Ozawa
Chugai Pharmaceutical
2
#7
Kouhei Fujiwara
Mitsubishi Electric
1
#7
Yoshiyuki Fujisawa
Mitsubishi Electric
1
#7
Shingo Iwai
Mitsubishi Electric
1
#7
Kei Yokoyama
Chiyoda
1
#7
Fujii Toshihiro
Hayakawa Rubber Co.
1
#7
Fumiyuki Hisatsune
Mitsubishi Electric
1
#7
Hiroshi Okashita
Mitsubishi Electric
1
#7
Osamu Hirano
Nippon Kokan Co.
1
#7
Syuno Suto
Hayakawa Rubber Co.
1
#7
Kenji Hirabe
Nkk Co.
1
#7
Shinya Shimada
O-M
1
#7
Setsuo Hosogai
Mitsubishi Electric
1
#7
Akira Shirayama
Nkk Co.
1
#7
Kazunori Yako
Nkk Co.
1
#7
Yuusaku Kato
Fukuyama Gomu Kogyo Kabushiki Gaisha
1
#7
Shuichi Iwado
Nippon Kokan Co.
1
#7
Masaru Yuki
Sharp Kabushiki Kaisha
1
#7
Yasuhiro Yoshimoto
Mitsubishi Electric
1
#7
Kimio Mori
Hayakawa Rubber Co.
1
#7
Takashi Mitsuhiro
Nkk Co.
1
#7
Haruhisa Toda
Mitsubishi Electric
1
#7
Takafumi Kondo
Ricoh Company
1
#7
Takumi Tanaka
Jfe Steel
1
#7
Tetsuro Aoki
Sharp Kabushiki Kaisha
1
#7
Taizo Sera
H. Ikeuchi & Co.
1