Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Inventors
Cities
States
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
Home
›
Companies
›
Nihon Radiator Co.
NC
Nihon Radiator Co.
— 45 Patents
Rank
(All Time):
#14,497
of
106,120
Top 15%
72
inventors
45
Patents All Time
Top Inventors at Nihon Radiator Co.
All Time
Showing
1–50
of
72
inventors
Rank
Name
Patents
1
Akira Kitsukawa
3
1
Koji Murayama
3
1
Noriaki Sonoda
3
#4
Eizo Suyama
2
#4
Etsumi Nakano
2
#4
Hisatoshi Hirota
2
#4
Hiroyasu Nadamoto
2
#4
Hidetoshi Ogida
2
#4
Mitsutoshi Sugano
2
#4
Shiro Ikuta
2
#4
Shigeyoshi Yokoyama
2
#4
Tetsuo Fukazawa
2
#4
Yoshikazu Takamatsu
2
#4
Yukio Shimada
2
#15
Koichi Yoinara
1
#15
Atsuhiko Kaneaki
1
#15
Terukazu Shinto
1
#15
Akira Fujisaki
1
#15
Haruki Kawamoto
1
#15
Hiroaki Enokido
1
#15
Hirofumi Hagikura
1
#15
Hiroshi Hasui
1
#15
Hiroyasu Koizumi
1
#15
Hiroshi Kondo
1
#15
Hiroshi Shimamura
1
#15
Hideo Shinozuka
1
#15
Hitoshi Takenaka
1
#15
Hiroshi Tanaami
1
#15
Katsutoshi Araya
1
#15
Katsuichiro Tajima
1
#15
Katsuichirou Tajima
1
#15
Katsushige Tani
1
#15
Keizou Kushibiki
1
#15
Koji Homma
1
#15
Kouichi Imai
1
#15
Kosei Matsuda
1
#15
Kouji Murayama
1
#15
Kotaro Ohashi
1
#15
Masahiro Honma
1
#15
Masahide Ishikawa
1
#15
Masaomi Suzuki
1
#15
Makoto Yasuda
1
#15
Masaru Yokoyama
1
#15
Mitsuo Sawabe
1
#15
Osamu Ishida
1
#15
Setsuya Uchino
1
#15
Shinichiro Higashihara
1
#15
Shizuo Kato
1
#15
Shiyuichi Miyake
1
#15
Shigeho Shimada
1
1
2
Next »
Related Companies
Rockwell Golde Gmbh
45
Vivitar
45
Molins Machine Company
45
Olin Hunt Specialty Products
45
South African Inventions Development
45
Transamerica Delaval
45
Keiper Automobiltechnik Gmbh & Co. Kg
45
Morton Norwich Products
45
Bioatla
45