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
Kashihara, JP
1994
40 patents · 24 inventors
Ranked
#1,196
of 22,654 cities
Top 6%
Showing 1–24 of 24 inventors
Rank
Inventor
Primary Company
Patents
1
Keizo Sakiyama
Sharp Kabushiki Kaisha
6
2
Hirotaka Toki
Sharp Kabushiki Kaisha
5
3
Noritoshi Kako
Sharp Kabushiki Kaisha
4
#4
Takao Tagawa
Sharp Kabushiki Kaisha
2
#4
Akihiko Shiina
Jtekt
2
#4
Yoshikado Yamada
Sharp Kabushiki Kaisha
2
#4
Kenji Mameda
Sharp Kabushiki Kaisha
2
#8
Shiro Narikawa
Sharp Kabushiki Kaisha
1
#8
Munehiro Uratani
Sharp Kabushiki Kaisha
1
#8
Shigeyasu Inoue
Sakura Color Products
1
#8
Hironobu Demizu
Sharp Kabushiki Kaisha
1
#8
Tomonari Suzuki
Sharp Kabushiki Kaisha
1
#8
Zenichi Yoshino
Sanwa Kosan Kabushiki Kaisha
1
#8
Yoshihiro Izumi
Sharp Kabushiki Kaisha
1
#8
Hiroyuki Ohshima
Jtekt
1
#8
Toshio Iida
Koyo Seiko Co.
1
#8
Katsuhiko Umeda
Jamco
1
#8
Toshio Inoguchi
Sharp Kabushiki Kaisha
1
#8
Mitsuharu Tomioka
Sumitomo Electric Industries
1
#8
Katsuhiro Masui
Sharp Kabushiki Kaisha
1
#8
Tosikazu Kitaura
Sharp Kabushiki Kaisha
1
#8
Yoshinori Urata
Sharp Kabushiki Kaisha
1
#8
Tadanori Hishida
Sharp Kabushiki Kaisha
1
#8
Seiki Yano
Sharp Kabushiki Kaisha
1