Patent Leaderboard
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
Search
Companies
Inventors
Cities
States
YK
Yoshida Kogyo K.K.
Rank (1994):
#154
of 12,641
Top 2%
94 inventors
76
Patents 1994
Top Inventors at Yoshida Kogyo K.K.
1994
Showing 1–50 of 94 inventors
Rank
Name
Patents
1
Akihisa Inoue
12
2
Tsuyoshi Masumoto
11
3
Kazuhiko Kita
5
#4
Hiroshi Matoba
4
#4
Ryukichi Murai
4
#4
Ryuichi Murasaki
4
#7
Hirokazu Watanabe
3
#7
Koitsu Morioka
3
#7
Masaki Sato
3
#7
Takayoshi Yoshimura
3
#7
Toshio Arai
3
#7
Toshisuke Shibata
3
#13
Hiroyuki Horimura
2
#13
Hideki Shimizu
2
#13
Hitoshi Yamaguchi
2
#13
Kazuyoshi Ito
2
#13
Katsumasa Odera
2
#13
Katsumasa Ohtera
2
#13
Keiichi Keyaki
2
#13
Kiyoshi Oda
2
#13
Makoto Kawanishi
2
#13
Masahiro Oguchi
2
#13
Michio Ito
2
#13
Mitsuhisa Okawa
2
#13
Nobuyuki Nishiyama
2
#13
Shunji Akashi
2
#13
Toshiaki Sodeno
2
#13
Yasuhiko Matsuda
2
#13
Yoshimichi Yamakita
2
#30
Akishige Utazu
1
#30
Akira Hasegawa
1
#30
Akira Kato
1
#30
Akiyoshi Takimoto
1
#30
Atsuhiko Morino
1
#30
Fumie Mukai
1
#30
Hatsuo Hirono
1
#30
Hirokazu Ebata
1
#30
Hideo Fukui
1
#30
Hitomi Kawamura
1
#30
Hidenobu Nagahama
1
#30
Hideo Takabatake
1
#30
Hiroshi Yamagata
1
#30
Hiroshi Yoshida
1
#30
Junichi Nagahora
1
#30
Kazuo Aikawa
1
#30
Kazuo Ida
1
#30
Katsuyuki Taketani
1
#30
Kenji Dono
1
#30
Kenji Higashi
1
#30
Kiyomitsu Ishihara
1
1
2
Next »