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 (1994):
#7
of 12,641
Top 1%
3,149 inventors
1,045
Patents 1994
Top Inventors at Hitachi
1994
Showing 1,551–1,600 of 3,149 inventors
Rank
Name
Patents
#856
Keigo Naoi
1
#856
Keizo Nishimura
1
#856
Keiji Ohmura
1
#856
Keizi Ohmura
1
#856
Kenichi Ohta
1
#856
Kenji Ohta
1
#856
Keiji Oshima
1
#856
Kenichi Oshima
1
#856
Keiji Saijo
1
#856
Keiji Sasaki
1
#856
Kenji Shirai
1
#856
Kenichi Shoji
1
#856
Keiji Taguchi
1
#856
Ken Takahashi
1
#856
Kenji Takahashi
1
#856
Ken Takei
1
#856
Keiji Tanaka
1
#856
Keij Tanaka
1
#856
Kenji Tojo
1
#856
Keisuke Toyama
1
#856
Kenji Tsuchita
1
#856
Ken Tsugane
1
#856
Ken Tsutsui
1
#856
Keiichi Uraki
1
#856
Keizo Yabuta
1
#856
Kenji Yagishita
1
#856
Keiichi Yamada
1
#856
Ken Yamaguchi
1
#856
Keiko Yamakawa
1
#856
Kenkichi Yamashita
1
#856
Kenya Yamauchi
1
#856
Kenji Yasuda
1
#856
Ken Yasuda
1
#856
Ken'etsu Yokogawa
1
#856
Kenetsu Yokokawa
1
#856
Kenji Yoneda
1
#856
Kenzi Yoneda
1
#856
Kenichi Yoshida
1
#856
Keiichi Yoshioka
1
#856
Khotaro Yamashita
1
#856
Kiyoshi Aiki
1
#856
Kichizo Akashi
1
#856
Kiyoshi Amou
1
#856
Kiyotaka Doi
1
#856
Kiyoshi Eguchi
1
#856
Kiyoshi Furushima
1
#856
Kinuyo Hagimae
1
#856
Kiyoshi Hisano
1
#856
Kishu Hosoi
1
#856
Kiyokazu Hosoya
1
« Prev
30
31
32
33
34
Next »