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 (All Time):
#1108
of 106,127
Top 2%
749 inventors
793
Patents All Time
Top Inventors at Koyo Seiko Co.
All Time
Showing 1–50 of 749 inventors
Rank
Name
Patents
1
Takeshi Takahashi
27
2
Kazutoshi Toda
26
3
Hirofumi Matsuoka
25
#4
Hiroshi Ueno
23
#5
Mitsuhiko Nishimoto
22
#6
Hirochika Ueyama
21
#6
Osamu Sano
21
#8
Hideki Fujiwara
20
#8
Katsutoshi Nishizaki
20
#10
Hirokazu Arai
18
#10
Hiroaki Takebayashi
18
#10
Shuzo Hirakushi
18
#13
Shinichirou Kashiwagi
17
#14
Shiro Nakano
16
#14
Tomohiro Ishii
16
#14
Yoshitomo Tokumoto
16
#17
Tetsuya Murakami
15
#18
Masaya Segawa
14
#18
Manabu Taniguchi
14
#18
Ryouhei Hayama
14
#18
Toshihiko Daido
14
#22
Kazuo Iga
13
#22
Masao Goto
13
#22
Nobuyuki Seo
13
#22
Tadashi Mitarai
13
#26
Masahiro Inoue
12
#26
Nobutsuna Motohashi
12
#26
Yoshiaki Hamasaki
12
#29
Hajime Tazumi
11
#29
Masahiko Sakamaki
11
#29
Ryoichi Takahata
11
#29
Yoshitaka Nakagawa
11
#29
Akihiko Shiina
11
#34
Hiroaki Kaji
10
#34
Hiroshi Toyota
10
#34
Manabu Takaoka
10
#34
Takanori Kurokawa
10
#34
Tetsuaki Numata
10
#39
Daisaku Tomita
9
#39
Hirohide Inayama
9
#39
Kazunori Hayashida
9
#39
Kazuo Uchida
9
#39
Masayuki Watanabe
9
#39
Naoki Morimura
9
#39
Shinji Abe
9
#39
Shinji Yasuhara
9
#39
Takanobu Takamatsu
9
#39
Teruyuki Kawatani
9
#39
Terukazu Nakajima
9
#39
Tomoyasu Kada
9
1
2
3
Next »