Skip to content
Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Universities
Inventors
Cities
States
Technologies
Top Patents
Inventor 500
Select ranking year
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
›
2018
›
Companies
›
Hitachi
Hitachi
— 545 Patents in 2018
Rank
(2018):
#69
of
29,927
Top 1%
1,215
inventors
545
Patents 2018
Top Inventors at Hitachi
2018
Showing
1–50
of
1,215
inventors
Rank
Name
Patents
1
Hirotaka Eshima
11
1
Takahiro Futatsumori
11
1
Yoshikazu Hayakawa
11
#4
Yukio Ikeda
10
#5
Tomoyuki Murayama
9
#6
Fumihito Oka
8
#7
Atsushi Kawamura
7
#7
Hideo Saito
7
#9
Akira MIMA
6
#9
Akira Yamamoto
6
#9
Daisuke Matsumoto
6
#9
Shunji Okazaki
6
#9
Tomohiro Kawaguchi
6
#9
Tsutomu Yamada
6
#9
Yukio Hattori
6
#16
Akira Sasaki
5
#16
Akifumi Suzuki
5
#16
Chiaki Hirai
5
#16
Hiroshi Kamizuma
5
#16
Hideyuki Koseki
5
#16
Junji Ogawa
5
#16
Kaoru Kato
5
#16
Ken Takei
5
#16
Keisuke Yamakawa
5
#16
Masanao Yamaoka
5
#16
Tetsuya Kawashima
5
#16
Yuuichi MABUCHI
5
#28
Akira YAMAGISHI
4
#28
Chuya Aoki
4
#28
Chihiro Yoshimura
4
#28
Fumito Watanabe
4
#28
Hajime Urai
4
#28
Hiroki Funato
4
#28
Hideta Habara
4
#28
Hiroaki Hashimoto
4
#28
Hiroyuki Ito
4
#28
Kazuhiko Noto
4
#28
Kenjiro Yamamoto
4
#28
Koki Hirano
4
#28
Kotaro Kitamura
4
#28
Masayuki Miyazaki
4
#28
Masahiro Takizawa
4
#28
Masanao Terada
4
#28
Naohiro Kusumi
4
#28
Noriaki Hino
4
#28
Ryota Nakajima
4
#28
Shinichi Kojima
4
#28
Shinji Kurokawa
4
#28
Takeshi Nakayama
4
#28
Takayuki Nozaki
4
1
2
3
Next »
Industry Peers
Samsung
9,249
Sony
2,234
Panasonic
1,822
Kabushiki Kaisha Toshiba
1,109
Fujitsu Limited
1,046
Nec
719
Sharp Kabushiki Kaisha
655