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
— 44,478 Patents
Rank
(All Time):
#13
of
106,127
Top 1%
28,566
inventors
44,478
Patents All Time
Top Inventors at Hitachi
All Time
Showing
4,101–4,150
of
28,566
inventors
Rank
Name
Patents
#3813
Tatsuaki Osafune
11
#3813
Taisaku Seino
11
#3813
Takaaki Sekiai
11
#3813
Takashi Shibata
11
#3813
Takashi Sumigawa
11
#3813
Takashi Tamura
11
#3813
Tatsuya TOYAMA
11
#3813
Tamotsu Tsukaguchi
11
#3813
Takumi UEZONO
11
#3813
Tadashi Yamagishi
11
#3813
Takanori Yamazoe
11
#3813
Tetsuya Hashimoto
11
#3813
Tetsuya Tanaka
11
#3813
Toshio Akatsu
11
#3813
Toshiya Doi
11
#3813
Toshihiko Itoga
11
#3813
Toshiyuki Kinoshita
11
#3813
Tomokatsu Kishi
11
#3813
Toshiyuki Kobayashi
11
#3813
Toshihiko Kurihara
11
#3813
Toshiyuki Kurita
11
#3813
Toshiaki Matsubara
11
#3813
Toshimi Matsumoto
11
#3813
Toshio Mihara
11
#3813
Tomohiko Miyamoto
11
#3813
Tomoyuki Miyata
11
#3813
Tomonari Morioka
11
#3813
Tomohiro Murata
11
#3813
Toshikazu Nishiyama
11
#3813
Tomoori Odaka
11
#3813
Toshihiko Ohta
11
#3813
Tohru Sampei
11
#3813
Tomotsugu Shimmyo
11
#3813
Toyoji Tabuchi
11
#3813
Toshimitsu Takahashi
11
#3813
Toshihiko Takakura
11
#3813
Toshimi Tan
11
#3813
Tomoyuki Tanaka
11
#3813
Toshiki Tanaka
11
#3813
Tomohito Uchida
11
#3813
Troy H. Herndon
11
#3813
Tsuneo Funabashi
11
#3813
Tsutomu Hasegawa
11
#3813
Tsunehiro Kawata
11
#3813
Tsuguo Shimizu
11
#3813
Tunehiko Tubone
11
#3813
Wahei Kitamura
11
#3813
Wataru Takeuchi
11
#3813
William R. McKee
11
#3813
Yasushi Fukuda
11
« Prev
81
82
83
84
85
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