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
›
2021
›
Companies
›
Tokuyama
TO
Tokuyama
— 21 Patents in 2021
Rank
(2021):
#1,722
of
31,441
Top 6%
54
inventors
21
Patents 2021
Top Inventors at Tokuyama
2021
Showing
1–50
of
54
inventors
Rank
Name
Patents
1
Junji Momoda
4
2
Katsuya Ogihara
3
2
Kenji Hirota
3
2
Takayoshi KAWASAKI
3
#5
Hitoshi Kondo
2
#5
Junji Takenaka
2
#5
Katsuhiro Shirai
2
#5
Masami Enokuchi
2
#5
Masayuki Miyazaki
2
#5
Michihito Nakatani
2
#5
Yasutomo Shimizu
2
#5
Yoji Inui
2
#13
Akimasa KURAMOTO
1
#13
Akira Sera
1
#13
Haruyuki Ishida
1
#13
Hiroyoshi Kato
1
#13
Hiroyuki Nishimura
1
#13
Hiroyuki Oda
1
#13
Isao Masada
1
#13
Isao Yamashita
1
#13
Junichi Ishida
1
#13
Junya Sakai
1
#13
Kentaro Matsuo
1
#13
Kikuo Yamamoto
1
#13
Kotaro Okamura
1
#13
Kohei OMURA
1
#13
Makoto Kataoka
1
#13
Mayumi Kishi
1
#13
Makoto Satou
1
#13
Masaki Takiwaki
1
#13
Misao Matsushige
1
#13
Mitsuki TOCHI
1
#13
Mou Ou
1
#13
Naoto Mochizuki
1
#13
Ryuji Ishimoto
1
#13
Saiko Fujii
1
#13
Seketsu Fukuzawa
1
#13
Shota Daiki
1
#13
Shouji Fujii
1
#13
Shingo Hiranaka
1
#13
Shoji Tachibana
1
#13
Takao Noguchi
1
#13
Takuya SEKI
1
#13
Takashi TAMUKAI
1
#13
Tetsuya Imura
1
#13
Teruhiko Nawata
1
#13
Tomohiro Kawamura
1
#13
Tomohiro Yamamato
1
#13
Yasumasa Aimoto
1
#13
Yoshikazu Kodama
1
1
2
Next »
Related Companies
Wabco Europe Bvba
21
Volvo Construction Equipment Ab
21
Ultrahaptics Ip Two Limited
21
Twilio
21
Translate Bio
21
Tianma Japan
21
The University Of Toledo
21
Teradyne
21
Teleflex Life Sciences
21