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
— 703 Patents in 2016
Rank
(2016):
#55
of
28,424
Top 1%
1,417
inventors
703
Patents 2016
Top Inventors at Hitachi
2016
Showing
251–300
of
1,417
inventors
Rank
Name
Patents
#186
Katsuya Tanaka
2
#186
Katsunori Ueno
2
#186
Kazuhiro Yamamura
2
#186
Kazuo Yano
2
#186
Kenji Aoshima
2
#186
Kenichi Azegami
2
#186
Kenzaburo Fujishima
2
#186
Keisuke Fukamachi
2
#186
Kenji Kubo
2
#186
Keiichi Matsuzawa
2
#186
Ken Naganuma
2
#186
Kenji Nakahira
2
#186
Kenichi Okubo
2
#186
Kentaro Segawa
2
#186
Ken Sugimoto
2
#186
Ken Takei
2
#186
Kei Takenaka
2
#186
Kenichiro Tokuo
2
#186
Kentaro Watanabe
2
#186
Kiyoshi Sakamoto
2
#186
Kiminori Sugauchi
2
#186
Kosuke Anzai
2
#186
Koji Ara
2
#186
Koki Hirano
2
#186
Koji Matsuda
2
#186
Konosuke Temmei
2
#186
Koji Wakayama
2
#186
Masato Hayashi
2
#186
Makoto Hirose
2
#186
Masaaki Ishio
2
#186
Masanao Kamachi
2
#186
Mamoru Kimura
2
#186
Masashi Kono
2
#186
Makio Mizuno
2
#186
Masanori Ochiai
2
#186
Masayuki Sakata
2
#186
Masanori Takata
2
#186
Masahiro Takizawa
2
#186
Masumi Umezawa
2
#186
Masahiro Watanabe
2
#186
Masato Yabu
2
#186
Masaki Yamada
2
#186
Masahiro Yoshizawa
2
#186
Masaki Yotsutani
2
#186
Mitsuo Hayasaka
2
#186
Miho Imazaki
2
#186
Miyuki Kono
2
#186
Mineyoshi Masuda
2
#186
Mitsuaki Mochizuki
2
#186
Motonobu Iizuka
2
« Prev
4
5
6
7
8
Next »
Industry Peers
Samsung
10,164
Sony
2,457
Panasonic
2,079
Kabushiki Kaisha Toshiba
1,991
Fujitsu Limited
1,574
Nec
893
Sharp Kabushiki Kaisha
847