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 201–250 of 1,736 inventors
Rank
Name
Patents
#183
Mitsuru Hanasaki
7
#183
Mina Onishi
7
#183
Motoyuki Hirata
7
#183
Munetaka Watanabe
7
#183
Shinichi Ishibashi
7
#183
Tadashi Hiraiwa
7
#183
Takashi Tamura
7
#183
Takeo Watanabe
7
#183
Tetsuo Sakurai
7
#183
Toshiya Kawasaki
7
#183
Tomoyuki Takei
7
#183
Tsuyoshi Katoh
7
#183
Wataru Oguchi
7
#183
Yasushi Kadowaki
7
#183
Yoshimasa Ishimura
7
#183
Yuseki Suyama
7
#217
Ayako Nishioka
6
#217
Fumiyoshi Ono
6
#217
Hirokazu Miyazawa
6
#217
Hiroyuki Monzen
6
#217
Hideyasu Obara
6
#217
Hiroshi Suzuki
6
#217
Hideaki Takahoshi
6
#217
Hitoshi Yokouchi
6
#217
Ichiro Fujita
6
#217
Ichiro Ota
6
#217
Isaho Kamata
6
#217
Kagetaka Ichikawa
6
#217
Kazuhiro Mitani
6
#217
Kazumi Tokizaki
6
#217
Keisuke Fukada
6
#217
Kenichiro Ota
6
#217
Kentaro Watanabe
6
#217
Kouhei Morikawa
6
#217
Masatoshi Enomoto
6
#217
Masashi Fukuda
6
#217
Masaki Horikita
6
#217
Masashi Nakabayashi
6
#217
Masakazu Oka
6
#217
Masako Tanaka
6
#217
Michihiro Takama
6
#217
Motoo Miura
6
#217
Nobuyuki Kibino
6
#217
Norihito Nishimura
6
#217
Noboru Ogasawara
6
#217
Nobutoshi Sasaki
6
#217
Nobuhiro Wakabayashi
6
#217
Osamu Kamoshida
6
#217
Ryuuta Miyasaka
6
#217
Satoshi Noda
6
« Prev
3
4
5
6
7
Next »