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
SC
Stella Chemifa
Rank (All Time):
#9732
of 106,127
Top 10%
80 inventors
70
Patents All Time
Top Inventors at Stella Chemifa
All Time
Rank
Name
Patents
1
Tetsuo Nishida
25
2
Hirohisa Kikuyama
22
3
Kazutaka Hirano
19
#4
Masahide Waki
18
#5
Shinji Hashiguchi
12
#6
Masayuki Miyashita
10
#7
Megumi Tomisaki
8
#8
Tadahiro Ohmi
8
#9
Yasutaka Tashiro
8
#10
Akihiro Nabeshima
8
#11
Masashi Yamamoto
7
#12
Sojiro Kon
7
#13
Tatsuhiro Yabune
7
#14
Hiroaki Tokuda
6
#15
Kazuhiro Miyamoto
6
#16
Tomohiko Satonaga
6
#17
Hirofumi Yazaki
5
#18
Kenji Aoki
5
#19
Toshirou Fukudome
5
#20
Toshitaka Sakaguchi
5
#21
Yoshifumi Katsura
5
#22
Yoshinori Sato
5
#23
Hiroto Izumi
4
#24
Kazuhiko Shogami
4
#25
Terunori Yamaguchi
4
#26
Tsuguo Fukuda
4
#27
Yoshinobu Abe
4
#28
Akinori Oka
4
#29
Hideki Nakashima
3
#30
Kazuyuki Tohji
3
#31
Kenji Sato
3
#32
Rui Hasebe
3
#33
Takashi Higono
3
#34
Takanobu Kujime
3
#35
Hirofumi Suzuki
2
#36
Hitoshi Tsurumaru
2
#37
Keiichi Nii
2
#38
Masayoshi Ishida
2
#39
Masatsugu Kawawaki
2
#40
Mitsuo Ueno
2
#41
Naoki Yahata
2
#42
Osamu Nakamura
2
#43
Takashi Fujii
2
#44
Takahisa Nitta
2
#45
Yasuyuki Shirai
2
#46
Yuko Murakami
2
#47
Daisuke Sakai
1
#48
Fumiaki Aono
1
#49
Hikaru Koike
1
#50
Hironori Matsushita
1
#51
Hiroaki Takatori
1
#52
Hiroya Yamamoto
1
#53
Jun Takano
1
#54
Kazuyuki Fujimoto
1
#55
Kanenori Ito
1
#56
Kei Kamada
1
#57
Kohki Uehara
1
#58
Koji Yokoyama
1
#59
Masanori Uraya
1
#60
Megumi Tornisaki
1
#61
Mitsunori Kirihata
1
#62
Natsuki Mine
1
#63
Shinya Kumazawa
1
#64
Shuichi Minamigawa
1
#65
Tetsuya Arakawa
1
#66
Tetsuya Kume
1
#67
Tomoyuki Asano
1
#68
Tomoyuki Deguchi
1
#69
Tomotsugu Fujimoto
1
#70
Toshihisa Sakurai
1
#71
Tomoya Satoh
1
#72
Toshiharu Tabata
1
#73
Yoshinori Nakagawa
1
#74
Yoshinobu Sakakibara
1
#75
Yoshinori Satoh
1
#76
Yuki Kikui
1
#77
Akira ISHIMARU
1
#78
Akiyoshi Kosuge
1
#79
Akinobu Teramoto
1
#80
Akira Yoshikawa
1