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 1,501–1,550 of 4,225 inventors
Rank
Name
Patents
#899
Masahiro Aoki
2
#899
Noriyuki Kumasaka
2
#899
Masami Noda
2
#899
Masao Yamane
2
#899
Kazuhisa Machida
2
#899
Norio Kawashima
2
#899
Yasushi Terui
2
#899
Yasushi Tomioka
2
#899
Kazuhiro Kuwabara
2
#899
Hiromichi Anan
2
#899
Junichi Shimada
2
#899
Hitoharu Kimura
2
#899
Yoriyuki Aiko
2
#899
Goichi Yokomizo
2
#899
Hiroshi Mitsumaki
2
#899
Hiroyuki Watanabe
2
#899
Hizuru Yamaguchi
2
#899
Yoshinori Aono
2
#899
Atsushi Kumata
2
#899
Yukimi Saiki
2
#899
Masao Chaki
2
#899
Masato Hamamoto
2
#899
Hirohiko Yamamoto
2
#899
Katsuhiko Kubota
2
#899
Yoshikatsu Hashimoto
2
#899
Masayuki Hariya
2
#899
Hiroyuki Kitajima
2
#899
Hideo Nishijima
2
#899
Hiroyuki Kitsunai
2
#899
Fumio Kawaguchi
2
#899
Yoshifumi Ichikawa
2
#899
Eisuke Wayama
2
#899
Nobuyoshi Hoshi
2
#899
Hiroaki Aotsu
2
#899
Masakatsu Hayashi
2
#899
Norio Hayashi
2
#899
Akihiro Yamanaka
2
#899
Yoshinori Imamura
2
#899
Hisao Yamashita
2
#899
Yuji Sakai
2
#899
Masayuki Hoshino
2
#899
Yoshitaro Ishii
2
#899
Hiroshi Koike
2
#899
Yuzaburo Sakamoto
2
#899
Masaki Odai
2
#899
Hiroyuki Nemoto
2
#899
Makiko Ikeda
2
#899
Hiroaki Nemoto
2
#899
Eiichi Amada
2
#899
Kazushi Kobayashi
2
« Prev
29
30
31
32
33
Next »