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
KC
Koyo Seiko Co.
Rank (2003):
#317
of 18,594
Top 2%
135 inventors
59
Patents 2003
Top Inventors at Koyo Seiko Co.
2003
Showing 1–50 of 135 inventors
Rank
Name
Patents
1
Hirokazu Arai
6
2
Takanori Kurokawa
5
3
Takeshi Takahashi
4
3
Tomohiro Ishii
4
#5
Akihiko Shiina
3
#5
Kazutoshi Toda
3
#5
Nobuyuki Seo
3
#5
Yasuharu Misada
3
#5
Yoshitomo Tokumoto
3
#10
Hideo Matsubara
2
#10
Junya Ooitsu
2
#10
Masanori Arima
2
#10
Masao Goto
2
#10
Masashi Kuze
2
#10
Mahito Shiba
2
#10
Manabu Taniguchi
2
#10
Mitsuharu Minami
2
#10
Minoru Sentoku
2
#10
Shinji Abe
2
#10
Takeo Iino
2
#10
Takeharu Ogimoto
2
#10
Takahiro Sanada
2
#10
Teruyuki Kawatani
2
#10
Yasuhiro Miyata
2
#10
Yoshifumi Shige
2
#26
Akihisa Umetani
1
#26
Daiji Hiraoka
1
#26
Daisaku Tomita
1
#26
Eiji Tanaka
1
#26
Fujio Harumi
1
#26
Fumiaki Kasahara
1
#26
Hajime Tazumi
1
#26
Hideki Fujiwara
1
#26
Hideki Higashira
1
#26
Hironori Kameno
1
#26
Hiroshi Kawaguchi
1
#26
Hirofumi Matsuoka
1
#26
Hiroki Matsuyama
1
#26
Hiroyuki Miyazaki
1
#26
Hidenobu Nagano
1
#26
Hideaki Tsuchiya
1
#26
Hirochika Ueyama
1
#26
Jun Yatazawa
1
#26
Kaname Joshita
1
#26
Katsuhiko Kizawa
1
#26
Kazuyuki Kotani
1
#26
Kanichi Kouda
1
#26
Katsutoshi Nishizaki
1
#26
Kazuo Uchida
1
#26
Kenichi Aota
1
1
2
3
Next »