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
›
Seiko Epson
SE
Seiko Epson
Rank
(2021):
#30
of
31,507
Top 1%
1,264
inventors
1,238
Patents 2021
Top Inventors at Seiko Epson
2021
Showing
351–400
of
1,264
inventors
Rank
Name
Patents
#276
Katsunari Kumagai
2
#276
Katsuhiko Maki
2
#276
Kazuyuki Nagata
2
#276
Kazuhiro Shibuya
2
#276
Kazunori Takabayashi
2
#276
Kazuyoshi Takeda
2
#276
Katsuo Takeuchi
2
#276
Kazuaki Tanaka
2
#276
Kenji Fukasawa
2
#276
Keiichiro Fukumasu
2
#276
Keita MORIYAMA
2
#276
Keiichi Okano
2
#276
Kenji Otokita
2
#276
Kensuke Tamai
2
#276
Kenji Uchibori
2
#276
Kinya Ozawa
2
#276
Kimitaka Kamijo
2
#276
Kiyoteru Katsuki
2
#276
Kinya Matsuda
2
#276
Kiyoshi Nakamura
2
#276
Kiyotaka Nakamura
2
#276
Koichiro Akasaka
2
#276
Kota Muto
2
#276
Koya Shiratori
2
#276
Kunihiko Takagi
2
#276
Kunihiko Yano
2
#276
Masahiro Asami
2
#276
Masaaki Fujimori
2
#276
Masaki Hayashi
2
#276
Masahiro Ido
2
#276
Masashi Kamibayashi
2
#276
Masayuki Kamijima
2
#276
Masayuki Kamiyama
2
#276
Masashi Kanai
2
#276
Makoto Kato
2
#276
Masahiro Kawajiri
2
#276
Masaru Kono
2
#276
Masaki MIYAZAWA
2
#276
Masahiko Mizoguchi
2
#276
Manabu Munakata
2
#276
Masahiko Nakazawa
2
#276
Masaki NAMIKI
2
#276
Masahiro Oshio
2
#276
Manabu Yamaguchi
2
#276
Masato Yoshihara
2
#276
Minoru Hasegawa
2
#276
Michifumi Nagawa
2
#276
Mitsuhiro Tateyama
2
#276
Mitsuhiro Yamamura
2
#276
Mitsuaki Yoshizawa
2
« Prev
6
7
8
9
10
Next »
Related Companies
Honda Motor Co.
1,288
The Boeing
1,278
Meta
1,271
Kia Motors
1,243
Emc Ip Holding Company
1,240
Cisco
1,216
AT&T
1,029
Texas Instruments
973
Sk Hynix
958