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
NS
Nippon Steel
Rank (2020):
#188
of 32,488
Top 1%
475 inventors
224
Patents 2020
Top Inventors at Nippon Steel
2020
Showing 1–50 of 475 inventors
Rank
Name
Patents
1
Yoshiaki Nakazawa
22
2
Kenichiro Otsuka
10
3
Hiroyuki Kawata
9
#4
Masafumi Azuma
8
#4
Tohru Okada
8
#4
Yasunobu Miyazaki
8
#4
Yutaka Neishi
8
#8
Naoki Maruyama
7
#9
Kazuo Hikida
6
#9
Koichi Sato
6
#9
Ryuichi NISHIMURA
6
#9
Seiji Furusako
6
#9
Shigeru Yonemura
6
#14
Akihiro Uenishi
5
#14
Fuminori Watanabe
5
#14
Hiroyasu Fujii
5
#14
Kazutoshi Takeda
5
#14
Kenichiro Matsumura
5
#14
Masaru Takahashi
5
#14
Natsuko Sugiura
5
#14
Toshiya Suzuki
5
#14
Tohru Yoshida
5
#14
Yasuhiro Ito
5
#24
Akira Shiga
4
#24
Hideyuki Hamamura
4
#24
Hiroshi Yamashita
4
#24
Hirokazu Yokoya
4
#24
Keisuke CHIBA
4
#24
Manabu Kubota
4
#24
Makoto Okonogi
4
#24
Masanori Yasuyama
4
#24
Misao Ogawa
4
#24
Morio Yanagihara
4
#24
Nobusato Kojima
4
#24
Riki Okamoto
4
#24
Shigeru Hirano
4
#24
Shinichiro TABATA
4
#24
Takahide UMEHARA
4
#24
Tatsuo Yokoi
4
#24
Yasuto Goto
4
#24
Yasuaki Naito
4
#24
Yasuharu Tanaka
4
#24
Yoshiyuki KASEDA
4
#24
Yuji Arai
4
#24
Yuji Yamaguchi
4
#46
Akira Tachiki
3
#46
Eisaku Sakurada
3
#46
Hideki Fujii
3
#46
Hiroshi Nogami
3
#46
Hiroshi Shuto
3
1
2
3
Next »