Patent Leaderboard
USPTO Patent Rankings
Data through Sept 30, 2025
Search
Companies
Inventors
Cities
States
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
Home
›
Companies
›
Hitachi
Hitachi
Rank
(All Time):
#13
of
106,127
Top 1%
28,566
inventors
44,478
Patents All Time
Top Inventors at Hitachi
All Time
Showing
2,951–3,000
of
28,566
inventors
Rank
Name
Patents
#2889
Kazunori Kuriyama
14
#2889
Katsumi Matsumoto
14
#2889
Kazuo Mera
14
#2889
Katsuki Miyauchi
14
#2889
Kanji Murakami
14
#2889
Kazuhiro Nakamoto
14
#2889
Katsunori Ueno
14
#2889
Katsuo Wada
14
#2889
Keisei Fujiwara
14
#2889
Keisuke Funatsu
14
#2889
Kentaro Hamma
14
#2889
Kentaro Hanma
14
#2889
Kenya Ito
14
#2889
Keiichirou Nakanishi
14
#2889
Kenichi Sohma
14
#2889
Ken Sugimoto
14
#2889
Kenko Uchida
14
#2889
Keiko Watanabe
14
#2889
Kimiaki Ando
14
#2889
Kiyoto Ito
14
#2889
Kimika Kudo
14
#2889
Koji Fukuda
14
#2889
Koichi Inaba
14
#2889
Koji Iwamitsu
14
#2889
Kouichi Okada
14
#2889
Kouji Sasaki
14
#2889
Kunihiko Ikuzaki
14
#2889
Kumiko Takikawa
14
#2889
Masahiko Achiha
14
#2889
Masakatsu Fujishita
14
#2889
Masayasu Futakawa
14
#2889
Masayuki Hariya
14
#2889
Masanori Hori
14
#2889
Masaya Horino
14
#2889
Masanori Ienaka
14
#2889
Masahiko Ishida
14
#2889
Masaharu Kaneko
14
#2889
Masamichi Kishi
14
#2889
Makoto Kogure
14
#2889
Masao Kondo
14
#2889
Masakazu Kurata
14
#2889
Masami Maeda
14
#2889
Mamoru Mizumoto
14
#2889
Masahiko Nakahara
14
#2889
Masanori Oguino
14
#2889
Masaaki Okunaka
14
#2889
Masashi Sahara
14
#2889
Masayuki Sakata
14
#2889
Masahisa Sobue
14
#2889
Mamoru Sugie
14
« Prev
58
59
60
61
62
Next »
Industry Peers
Samsung
175,578
Sony
73,210
Fujitsu Limited
55,272
Kabushiki Kaisha Toshiba
53,330
Panasonic
39,942
Nec
35,886
Sharp Kabushiki Kaisha
26,341