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
HI
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
2,601–2,650
of
28,566
inventors
Rank
Name
Patents
#2438
Tooru Tanimizu
16
#2438
Toru Umekawa
16
#2438
Tsuyoshi Ohnishi
16
#2438
Tsutomu Omae
16
#2438
Yasuaki Aoyama
16
#2438
Yasushi Hayasaka
16
#2438
Yasushi Iwakabe
16
#2438
Yasuhiko Kando
16
#2438
Yasutaka Kono
16
#2438
Yasuhiko Nonaka
16
#2438
Yasunari Obuchi
16
#2438
Yasunobu Ogata
16
#2438
Yoshinori Igarashi
16
#2438
Yoshihiro Moribe
16
#2438
Yoshihiro Nagaoka
16
#2438
Yoshiteru Takeshima
16
#2438
Yoshio Taniguchi
16
#2438
Yukiharu Akiyama
16
#2438
Yuichi Hamamura
16
#2438
Yukiji Iwase
16
#2438
Yuudai KAMADA
16
#2438
Yuji Sakai
16
#2438
Yuichi Sawai
16
#2438
Yuki Watanabe
16
#2438
Hisayoshi Sato
17
#2438
Noriyuki Yamasaki
17
#2438
Ahmed FARAHAT
16
#2438
Akira Nishiguchi
16
#2438
Akihito Nishizawa
16
#2438
Akira Sato
16
#2438
Akihisa Uchida
16
#2438
Akihiro Yamada
16
#2438
Akira Yamaoka
16
#2438
Arata Nakagoshi
16
#2438
Atsuya Fujino
16
#2636
Atsuya Kumagai
16
#2636
Atsushi Morihara
15
#2636
Daisuke Ryuzaki
15
#2636
Daisuke Suzuki
15
#2636
Daigo Takayanagi
15
#2636
Eiki Kamada
15
#2636
Emiko Kobayashi
15
#2636
Fuminobu Komura
15
#2636
Fujio Tajima
15
#2636
Go Uehara
15
#2636
Hajime Hosoya
15
#2636
Hajime Morishita
15
#2636
Haruyuki Watanabe
15
#2636
Heewon Jeong
15
#2636
Hiroya Abe
15
« Prev
51
52
53
54
55
Next »
Related Companies
GE
56,896
Microsoft
56,789
Fujitsu Limited
55,272
Kabushiki Kaisha Toshiba
53,330
Mitsubishi Electric
44,858
Toyota
44,345
Apple
42,700
Qualcomm
41,723
TSMC
39,991