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
Agbor, NG
All Time
190 patents · 29 inventors
Ranked
#11,119
of 111,555 cities
Top 10%
Showing 1–29 of 29 inventors
Rank
Inventor
Primary Company
Patents
1
Toshihiro Takahashi
Nisshin Flour Milling
49
2
Katsuya Arai
Panasonic
29
3
Kenji Shibata
Kyowa Hakko Kogyo Co.
20
#4
Toshiaki Kuribayashi
Tonen
12
#5
Makoto Hashiguchi
Honda Giken Kogyo K.K.
9
#6
Satoshi Ogano
Tonengeneral Sekiyu K.K.
8
#6
Michio Nakanishi
Daicel Chemical Industries
8
#8
Fumio Ohashi
Toa Nenryo Kogyo
6
#8
Seiji Miyata
Fujitsu Limited
6
#10
Hironari Ueda
Tonen
5
#10
Yoshinobu Okayasu
Tonen
5
#12
Tetsuo Miyamoto
Tonen
4
#12
Hitoshi Yamabe
Honda Motor Co.
4
#14
Keitaro Fukui
Toa Nenryo Kogyo
3
#15
Mitsuo Ohta
Denso
2
#15
Tsutomo Naito
Toa Nenryo Kogyo
2
#15
Mutuo Sugisaki
Honda Motor Co.
2
#15
Toshikazu Tsukada
Tonen
2
#15
Takehisa Satoh
Kawasaki Steel
2
#15
Yonehiro Kakuta
Honda Motor Co.
2
#15
Ikuo Akitsuki
Toa Nenryo Kogyo
2
#22
Mizuomi Inoue
Sony
1
#22
Koohei Nozawa
Wakamoto Pharmaceutical Co.
1
#22
Koji Uritani
Riken Keiki Co.
1
#22
Hideki Osaka
Tonen
1
#22
Hisashi Kakinoki
Tonen
1
#22
Masyoshi Kubo
Daicel
1
#22
Masahiko Uemura
Toa Nenryo Kogyo
1
#22
Takeo Toyoizumi
Toa Nenryo Kogyo
1