Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Inventors
Cities
States
Inventor 500
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
›
Kao
KA
Kao
— 74 Patents in 2017
Rank
(2017):
#514
of
29,883
Top 2%
178
inventors
74
Patents 2017
Top Inventors at Kao
2017
Showing
1–50
of
178
inventors
Rank
Name
Patents
1
Hiroshi Hori
4
1
Yasuhiro Doi
4
1
Yoshinori Mitsuda
4
1
Yohei Yoshikawa
4
#5
Hironobu Fukuroi
3
#5
Hirotaka Takeno
3
#5
Takeshi Oka
3
#5
Takahiro Sato
3
#5
Yasushi Yamada
3
#10
Akio Morita
2
#10
Chie Sakaguchi
2
#10
Daiki Murase
2
#10
Emiko Shirasaki
2
#10
Koji Imai
2
#10
Minoru Wada
2
#10
Shinji Hamamoto
2
#10
Shinichi Tokunaga
2
#10
Takeshi Ashizawa
2
#10
Taeko Hayase
2
#10
Tatsuya Kusaura
2
#10
Takuo Yanashima
2
#10
Tomoki Morioka
2
#10
Yoshiharu Ataka
2
#10
Yoshifumi Nishimoto
2
#25
Akira Hachiya
1
#25
Akira Takenaka
1
#25
Akihiro Uda
1
#25
Akemi Yuji
1
#25
Aki YUYAMA
1
#25
Alderano Mannozzi
1
#25
Asako Mitani
1
#25
Atsunobu Fujii
1
#25
Atsushi Nagahara
1
#25
Atsushi Suzuki
1
#25
Atsushi Tanaka
1
#25
Ayako Kita
1
#25
Daiki KAWATA
1
#25
Daisuke Kodama
1
#25
Eizo Maruyama
1
#25
Fumikazu Takahashi
1
#25
Gen Nakauchi
1
#25
Haruki Ikenaga
1
#25
Hiroshi Aoyama
1
#25
Hiroshi Hashimoto
1
#25
Hiroaki Kishimoto
1
#25
Hidesato Kizaki
1
#25
Hideo Kobayashi
1
#25
Hiroyuki Koga
1
#25
Hiromi Kubota
1
#25
Hiromoto Mizushima
1
1
2
3
Next »
Related Companies
Interdigital Technology
75
Sii Semiconductor
75
Subaru
75
Carrier
74
Kaneka
74
Zynga
74
Saint-Gobain Glass France
74
Sandia
74
Toyo Tire & Rubber Co.
74