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
›
Seikosha Co.
SC
Seikosha Co.
Rank
(All Time):
#1,220
of
106,127
Top 2%
312
inventors
717
Patents All Time
Top Inventors at Seikosha Co.
All Time
Showing
151–200
of
312
inventors
Rank
Name
Patents
#132
Masaki Tanaka
2
#132
Makoto Tanaka
2
#132
Miwako Hikida
2
#132
Miyuki Imamura
2
#132
Mitsuo Tashiro
2
#132
Natsuki Hashiba
2
#132
Noriyuki Kurokawa
2
#132
Ryuhei Ishizaki
2
#132
Satoshi Wakahara
2
#132
Seiichi Imano
2
#132
Seiki Mizutani
2
#132
Shinichi Endo
2
#132
Shinya Tamura
2
#132
Sumiko Ono
2
#132
Takahiro Izukawa
2
#132
Takashi Kogo
2
#132
Tatsuo Shimada
2
#132
Takuo Urabe
2
#132
Tetsuro Suzuki
2
#132
Yatsutoshi Chiba
2
#132
Yasunari Kanda
2
#132
Yasushi Koike
2
#132
Yoshimi Endo
2
#132
Yoshiaki Miyauchi
2
#132
Yoichi Nakano
2
#132
Yoshihito Owa
2
#132
Yoshinaga Takahashi
2
#132
Yoshio Tamura
2
#132
Yuji Gorai
2
#132
Yutaka Kanai
2
#132
Aisaku Imanishi
2
#132
Akie Itoh
2
#132
Akira Matsushima
2
#184
Atsushi Watanabe
1
#184
Eiji Yamatani
1
#184
Etsuhisa Miyata
1
#184
Hajima Oda
1
#184
Harukazu Shimizu
1
#184
Hironobu Amemiya
1
#184
Hiroko Fujita
1
#184
Hideo Irie
1
#184
Hitoshi Ito
1
#184
Hiroyuki Izumi
1
#184
Hiroyuki Kawanishi
1
#184
Hiroyuki Kojima
1
#184
Hiroshi Matsumoto
1
#184
Hideyuki Nakamura
1
#184
Hiroyuki Niino
1
#184
Hirobumi Okuyama
1
#184
Hideo Onda
1
« Prev
2
3
4
5
6
Next »
Related Companies
Roussel Uclaf
721
Roku
721
Rohm And Haas Electronic Materials
721
Lonza
720
Nec Laboratories America
719
Husky Injection Molding Systems
717
Linear Technology Holding
717
Yanmar Holdings Co.
717
Immatics Biotechnologies Gmbh
716