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 (2005):
#334
of 17,328
Top 2%
180 inventors
47
Patents 2005
Top Inventors at Nippon Steel
2005
Showing 1–50 of 180 inventors
Rank
Name
Patents
1
Katsuki Hazama
4
2
Eiji Hashino
3
2
Kenji Shimokawa
3
2
Kohei Tatsumi
3
#5
Hideki Fujii
2
#5
Humitaka Maeda
2
#5
Kazuhiko Eda
2
#5
Kazuhiro Takahashi
2
#5
Ken Naito
2
#5
Kenji Nishiumi
2
#5
Manabu Takahashi
2
#5
Masataka Tatsuta
2
#5
Mamoru Yamada
2
#5
Michio Kaneko
2
#5
Naoki Yoshinaga
2
#5
Shinji Taenaka
2
#5
Tadahiro Izu
2
#5
Yousuke Miura
2
#19
Kenji Fukuyasu
1
#19
Akio Ishii
1
#19
Akihiko Takahashi
1
#19
Atsuyuki Fukano
1
#19
Atsuhiko Imai
1
#19
Eiichiro Ishimaru
1
#19
Eiichiro Saeki
1
#19
Eiichi Takeuchi
1
#19
Fumitaka Sugaya
1
#19
Fumiaki Takahashi
1
#19
Hitoshi Asahi
1
#19
Hitoshi Dohnomae
1
#19
Hiroyuki Doi
1
#19
Hiroshi Hirata
1
#19
Hiroshi Imagawa
1
#19
Hiroo Ishibashi
1
#19
Hideo Kanisawa
1
#19
Hideo Kanoshima
1
#19
Hiroaki Masui
1
#19
Hirofumi Mikami
1
#19
Hisashi Mogi
1
#19
Hitoshi Nakamura
1
#19
Hiroshi Ohba
1
#19
Hideki Oka
1
#19
Hitoshi Ooki
1
#19
Hiroshi Shimizu
1
#19
Hiroshi Sugano
1
#19
Hisamoto Wakabayashi
1
#19
Hideaki Yamamura
1
#19
Isao Suichi
1
#19
Isamu Takayama
1
#19
Itsuro Hiroshige
1
1
2
3
Next »