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
HI
Hitachi
Rank (2003):
#5
of 18,594
Top 1%
4,225 inventors
1,942
Patents 2003
Top Inventors at Hitachi
2003
Showing 101–150 of 4,225 inventors
Rank
Name
Patents
#77
Tsugio Takahashi
8
#77
Yoshio Homma
8
#77
Yoshinobu Nakagome
8
#104
Akihiko Kandori
7
#104
Atsushi Itou
7
#104
Hideki Saga
7
#104
Hiroyuki Suzuki
7
#104
Ichiro Anjo
7
#104
Junya Kosaka
7
#104
Kazuo Nojiri
7
#104
Kenichi Osada
7
#104
Kenichi Takamoto
7
#104
Keiji Tsukada
7
#104
Kiyoshi Ogata
7
#104
Kiwamu Tanahashi
7
#104
Masatoshi Kanamaru
7
#104
Mitsuru Hiraki
7
#104
Motoaki Utamura
7
#104
Ryuichi Saito
7
#104
Satoru Hanzawa
7
#104
Shinpei Iijima
7
#104
Shigekazu Kato
7
#104
Shunji Maeda
7
#104
Shinji Nishihara
7
#104
Takashi Okada
7
#104
Takeshi Shimano
7
#104
Tsunehiro Endo
7
#104
Yasuhisa Aono
7
#104
Yasuo Hira
7
#104
Yoshiyuki Hirayama
7
#104
Yoshiaki Kawato
7
#104
Yoshitaka Nakamura
7
#133
Akihiko Ariga
6
#133
Akemi Hirotsune
6
#133
Akira Ishikawa
6
#133
Akira Nagai
6
#133
Akihiro Satou
6
#133
Atsushi Hosogane
6
#133
Atsushi Inoue
6
#133
Atsushi Tanaka
6
#133
Fumio Murabayashi
6
#133
Fumio Ootsuka
6
#133
Haruo Yoda
6
#133
Hideyuki Aoki
6
#133
Hidehiko Iwasaki
6
#133
Hiromasa Kubo
6
#133
Hideyuki Matsuoka
6
#133
Hiroaki Ono
6
#133
Hitoshi Sasabuchi
6
#133
Hiroyuki Uchiyama
6
« Prev
1
2
3
4
5
Next »