Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 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
›
Tokin
TO
Tokin
— 167 Patents
Rank
(All Time):
#4,485
of
106,120
Top 5%
278
inventors
167
Patents All Time
Top Inventors at Tokin
All Time
Showing
1–50
of
278
inventors
Rank
Name
Patents
1
Shigeyoshi Yoshida
16
2
Akiri URATA
9
3
Mitsuharu Sato
8
#4
Katsunori Kumasaka
7
#4
Kenichi Chatani
7
#4
Tetsuo Yoshida
7
#4
Yoshiaki Fuda
7
#8
Yuichi Tokano
6
#9
Dai Homma
5
#9
Kazuo Minegishi
5
#9
Koji Kamei
5
#9
Koichi Kondo
5
#9
Toshiaki Oka
5
#9
Yasuhisa Sugawara
5
#15
Eishu Sugawara
4
#15
Hiroshi Shima
4
#15
Kazumasa Makita
4
#15
Kenji Araki
4
#15
Kiyoshi Yamauchi
4
#15
Koichi Onodera
4
#15
Masakazu Abe
4
#15
Masashi Ikeda
4
#15
Masami Ishijima
4
#15
Masafumi KATSUNO
4
#15
Makoto Nakaseko
4
#15
Tadakuni Sato
4
#15
Takuya TAKASHITA
4
#15
Takashi Yanbe
4
#15
Toshinori TSUDA
4
#30
Akihiro Isomura
3
#30
Etsuo Otsuki
3
#30
Hiroyuki Sato
3
#30
Kazuaki Saito
3
#30
Ken-ichi Arai
3
#30
Kenji Ikeda
3
#30
Koichi Okamoto
3
#30
Koichi Shibata
3
#30
Masahiro Kondo
3
#30
Masato KUNO
3
#30
Makoto YAMAKI
3
#30
Miho CHIBA
3
#30
Michikazu Kondo
3
#30
Naoki Wakou
3
#30
Norihiko Ono
3
#30
Ryoji Muramatsu
3
#30
Shun MIKOSHIBA
3
#30
Shinichi Otomo
3
#30
Shoichi Sato
3
#30
Takahiro Kugo
3
#30
Taketoshi Nakayama
3
1
2
3
Next »
Related Companies
Nippon Chemical Industrial Co.
167
Intra-Cellular Therapies
167
Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
167
Acceleron Pharma
167
Nelson Irrigation
167
Equinix
167
Bby Solutions
167
Shanghai Zhaoxin Semiconductor Co.
167
University Of Tsukuba
167