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
SC
Sankyo Holdings Co.
Rank (All Time):
#1603
of 106,127
Top 2%
700 inventors
537
Patents All Time
Top Inventors at Sankyo Holdings Co.
All Time
Showing 1–50 of 700 inventors
Rank
Name
Patents
1
Takao Yoshioka
36
2
Hiroyuki Koike
32
3
Hiroyoshi Horikoshi
30
3
Takashi Fujita
30
#5
Toshihiko Fujiwara
25
#6
Hiroaki Yanagisawa
23
#6
Koichi Fujimoto
23
#8
Yoshio Iizuka
21
#9
Atsusuke Terada
20
#9
Koichi Kojima
20
#9
Sadao Ishihara
20
#12
Takahide Nishi
17
#13
Kunio Wada
16
#13
Tomio Kimura
16
#13
Toshiaki Yanai
16
#13
Akira Terahara
16
#17
Isao Kawamoto
15
#17
Masakatsu Kaneko
15
#17
Tatsuo Haneishi
15
#17
Yasuteru Iijima
15
#17
Yoshio Tsujita
15
#22
Minoru Oguchi
14
#22
Mitsuo Yamazaki
14
#24
Minoru Tanaka
13
#24
Mutsuo Nakajima
13
#24
Tomoyuki Kurumada
13
#24
Yasuhiro Morisawa
13
#28
Kazuo Hasegawa
12
#28
Kazuo Sato
12
#28
Kazuyuki Wachi
12
#28
Shinsaku Kobayashi
12
#28
Takeshi Oshima
12
#28
Tomowo Kobayashi
12
#28
Toshiyuki Konosu
12
#28
Yukio Sugimura
12
#36
Hiroshi Kogen
11
#36
Hiroshi Yasuda
11
#36
Mitsuru Kataoka
11
#36
Sadao Oida
11
#36
Shinji Yokoi
11
#36
Takao Okazaki
11
#36
Takeshi Yamaguchi
11
#36
Teruo Tanaka
11
#36
Akio Saito
11
#36
Akira Yoshida
11
#46
Eiichi Kitazawa
10
#46
Fumitoshi Asai
10
#46
Kimio Iino
10
#46
Masayuki Iwata
10
#46
Nobuyoshi Iwata
10
1
2
3
Next »