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
SK
Showa Denko K.K.
Rank (All Time):
#432
of 106,127
Top 1%
1,736 inventors
1,989
Patents All Time
Top Inventors at Showa Denko K.K.
All Time
Showing 351–400 of 1,736 inventors
Rank
Name
Patents
#278
Yuji Itoh
5
#278
Yuki OTSUKA
5
#353
Atsushi Yoshinaga
4
#353
Bunsho Ohtani
4
#353
Chika YAMASHITA
4
#353
Daisuke Amiya
4
#353
Ding Li
4
#353
Eiji Kono
4
#353
Eiji Ogata
4
#353
Haruki Ishikami
4
#353
Haruaki Ito
4
#353
Hayato Yamaya
4
#353
Hitoshi Amita
4
#353
Hironori Atsumi
4
#353
Hirofumi Horiuchi
4
#353
Hiroto Kouka
4
#353
Isao Yamagami
4
#353
Itaru Gunjishima
4
#353
Itsuaki Matsuda
4
#353
Joseph Gaze
4
#353
Jun Norimatsu
4
#353
Kazuo Furuya
4
#353
Katsumasa Hirose
4
#353
Katsura Ito
4
#353
Kazunari Kaga
4
#353
Kazuhiko Minami
4
#353
Katsuyuki Naito
4
#353
Kaneo Nozawa
4
#353
Kazuo Sekiguchi
4
#353
Katsufumi Tanaka
4
#353
Katsuaki Tsutsumi
4
#353
Kentaro FURUE
4
#353
Ken Inoue
4
#353
Keizo ISEKI
4
#353
Ken Ishitobi
4
#353
Keiji Kawasaki
4
#353
Kenji Suzuki
4
#353
Keiji Yamazaki
4
#353
Kimihisa Hiramoto
4
#353
Kiyoshi Kojima
4
#353
Kiyoshi Tada
4
#353
Kiyotaka Yamaguchi
4
#353
Kota Otoshi
4
#353
Kunio Imamura
4
#353
Masaru FUKASAWA
4
#353
Masakazu Kobayashi
4
#353
Masahiro Ueno
4
#353
Masayuki Yoshimura
4
#353
Mitsuhiro Imaizumi
4
#353
Minoru Kobayashi
4
« Prev
6
7
8
9
10
Next »