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 (1997):
#89
of 13,859
Top 1%
345 inventors
129
Patents 1997
Top Inventors at Sumitomo Chemical
1997
Showing 301–345 of 345 inventors
Rank
Name
Patents
#96
Toshiro Ohtsubo
1
#96
Toshiaki Ota
1
#96
Toshiyuki Sakaki
1
#96
Toshiyuki Tanaka
1
#96
Tooru Tokumaru
1
#96
Tohru Yabe
1
#96
Tsuguhiro Katoh
1
#96
Tsuyoshi Nakano
1
#96
Tsuneyuki Sato
1
#96
Tsutomu Watanabe
1
#96
Tuyoshi Hashimoto
1
#96
Yasuyuki Katayama
1
#96
Yasumi Katayama
1
#96
Yasunobu Miyamoto
1
#96
Yasuhiro Nishida
1
#96
Yasuo Shinohara
1
#96
Yasuyori Tanaka
1
#96
Youichi Fujiyama
1
#96
Yoshiki Hishiro
1
#96
Yoshiyuki Komori
1
#96
Yoshiaki Kosuge
1
#96
Yoshinobu Matsuda
1
#96
Yoshihiko Nagaoka
1
#96
Yoshifumi Nakano
1
#96
Yoshisaburou Nomura
1
#96
Yoichi Obata
1
#96
Yoshitaka Ohbe
1
#96
Yoshinori Shono
1
#96
Yoshitsugu Takai
1
#96
Yoshihiro Takebayashi
1
#96
Yoshiaki Togawa
1
#96
Yoichiro Tsubaki
1
#96
Yoshiaki Tsubata
1
#96
Yoshio Uchida
1
#96
Yoshiyasu Yabusaki
1
#96
Yoshifumi Yoshida
1
#96
Yuji Ikezawa
1
#96
Yuji Kanda
1
#96
Yutaka Kayane
1
#96
Yuu Shida
1
#96
Yutaka Yamaguchi
1
#96
Yukio Yoneyoshi
1
#96
Michiaki Yoshidomi
1
#96
Kimio Nakaseko
1
#96
Megumi Akiyoshi
1
« Prev
5
6
7