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
Sumitomo Chemical
Rank (All Time):
#120
of 106,127
Top 1%
4,033 inventors
6,467
Patents All Time
Top Inventors at Sumitomo Chemical
All Time
Showing 51–100 of 4,033 inventors
Rank
Name
Patents
#51
Chizu Sekine
33
#52
Junya Takahashi
32
#52
Koichi Fujisawa
32
#52
Shuichi Kanagawa
32
#52
Shinzo Seko
32
#52
Takamasa Tanabe
32
#57
Hiroaki Fujimoto
31
#57
Kenji Nagaoka
31
#57
Manji Sasaki
31
#57
Masahiro Kakugo
31
#57
Motonobu Furuta
31
#57
Noboru Fukuhara
31
#57
Susumu Miyazaki
31
#57
Takeo Kitayama
31
#57
Toshihiko Ogata
31
#57
Yuichi Matsuzaki
31
#67
Hajime Fujikura
30
#67
Hideyuki Higashimura
30
#67
Takeshi Fujii
30
#67
Takahisa Hara
30
#67
Yoshinobu Ono
30
#72
Kunimasa Kamio
29
#72
Masayuki Enomoto
29
#72
Tatsuya Miyatake
29
#75
Kuniaki Asai
28
#75
Nobuyuki Hatanaka
28
#77
Hiroshi Harada
27
#77
Katsunari Inagaki
27
#77
Kimitoshi Umeda
27
#77
Makoto Itagaki
27
#77
Makoto Satoh
27
#77
Nobuaki Mito
27
#77
Takashi Maruyama
27
#77
Taiichi Sakaya
27
#77
Yoshiaki Takeuchi
27
#77
Yoshiki Toyoshima
27
#87
Daizaburo Yashiki
26
#87
Hideo Shinonaga
26
#87
Junki Katsube
26
#87
Masaru Ishino
26
#87
Masato Ueda
26
#87
Mitsuji Tsuji
26
#87
Naoki Inui
26
#87
Noboru Yamaguchi
26
#87
Ryuma Kuroda
26
#87
Takao Ishiwatari
26
#87
Toshiro Kato
26
#87
Tomoyuki Takada
26
#99
Hidenori Hanaoka
25
#99
Kozo Kotani
25
« Prev
1
2
3
4
Next »