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
›
Yokowo Co.
YC
Yokowo Co.
— 211 Patents
Rank
(All Time):
#3,646
of
106,120
Top 4%
176
inventors
211
Patents All Time
Top Inventors at Yokowo Co.
All Time
Showing
1–50
of
176
inventors
Rank
Name
Patents
1
Takeshi Sampo
18
2
Wasuke Yanagisawa
15
3
Noritaka TERASHITA
14
3
Ryo Horie
14
#5
Hirotoshi Mizuno
13
#5
Takayuki Sone
13
#7
Sadao Ohno
12
#8
Takahiro Nagata
10
#8
Takuto Yoshida
10
#10
Hisashi Suzuki
9
#10
Motohisa ONO
9
#10
Ryoichi Hirako
9
#10
Tadashi Oshiyama
9
#10
Yusuke YOKOTA
9
#15
Shozaburo Kameda
7
#16
JunXiang Ge
6
#16
Kazuya Matsunaga
6
#16
Satoshi Iwasaki
6
#16
Takao Kawahara
6
#16
Tsugio Yamamoto
6
#21
Akihiro Yodogawa
5
#21
Atsushi Sato
5
#21
Kengo Osawa
5
#21
Kenichi Sato
5
#21
Mitsuhiro Suzuki
5
#21
Seiji Go
5
#21
Yasuhiro Minoura
5
#28
Bunpei HARA
4
#28
Hiroshi Ichikawa
4
#28
Kazuhiro KOWAITA
4
#28
Katsuo Miki
4
#28
Kenji Endo
4
#28
Kenta Sugiura
4
#28
Masashi Noda
4
#28
Takeshi Todoroki
4
#28
Tomio AMBE
4
#28
Tomohiko Yamase
4
#38
Akiyoshi Oshitani
3
#38
Eiji Ikeda
3
#38
Fusao Sekiguchi
3
#38
Hideki Kamitsuna
3
#38
Hidehito Oki
3
#38
Kazuki Katono
3
#38
Kenichi Mitsugi
3
#38
Masayuki Goto
3
#38
Masato Tanaka
3
#38
Motonao Takahashi
3
#38
Naoaki Utagawa
3
#38
Noriyoshi Nakada
3
#38
Shinichi Ishizuka
3
1
2
3
Next »
Related Companies
Degussa-Huels Ag
211
Morton Thiokol
211
University of New Mexico
211
Vizio
211
Nxstage Medical
211
Genband Us
211
Sintai Optical (Shenzhen) Co.
211
Pivotal Software
211
Ethertronics
211