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 (1994):
#553
of 12,641
Top 5%
64 inventors
20
Patents 1994
Top Inventors at Showa Denko K.K.
1994
Showing 1–50 of 64 inventors
Rank
Name
Patents
1
Toshiyuki Aizawa
5
2
Hitoshi Nakamura
4
3
Eiko Masatsuji
2
3
Hiroyuki Ohira
2
3
Kiyoshi Saito
2
3
Masahiko Seko
2
3
Mitsuaki Sato
2
3
Nobuyuki Kibino
2
3
Shintaro Inazawa
2
3
Shin Miura
2
3
Shigenobu Miyake
2
3
Takashi Monoi
2
3
Tetsuo Kudo
2
3
Tetsuhiko Yamaguchi
2
3
Youichi Hirose
2
3
Yoshikazu Hosoda
2
3
Yoshio Machida
2
#18
Yoko Suguri
1
#18
Ayako Nishioka
1
#18
Chozo Inoue
1
#18
Harushi Nagami
1
#18
Hiroyuki Hasegawa
1
#18
Hideo Miyata
1
#18
Hiromoto Ohno
1
#18
Jiro Yamashiro
1
#18
Jun Konishi
1
#18
Kazuo Kanbayashi
1
#18
Kazuo Muramaki
1
#18
Katsumi Murofushi
1
#18
Kazuhiro Omori
1
#18
Kazuyuki Watanabe
1
#18
Kenji Ozaki
1
#18
Kiyotaka Yamaguchi
1
#18
Kohei Morikawa
1
#18
Kouichi Yamamoto
1
#18
Kunio Imamura
1
#18
Kuniomi Marumo
1
#18
Kunitoshi Wakabayashi
1
#18
Makoto Miyamura
1
#18
Mitsuru Hasegawa
1
#18
Naoaki Misu
1
#18
Nobutake Mihara
1
#18
Nobuyuki Mitarai
1
#18
Noriyuki Suzuki
1
#18
Satoru Ishigaki
1
#18
Shuichi Naijoh
1
#18
Shuichi Sugita
1
#18
Tatsuharu Arai
1
#18
Tadashi Hiraiwa
1
#18
Takayuki Nagase
1
1
2
Next »