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
›
Kansei
KA
Kansei
— 73 Patents
Rank
(All Time):
#9,459
of
106,120
Top 9%
117
inventors
73
Patents All Time
Top Inventors at Kansei
All Time
Showing
1–50
of
117
inventors
Rank
Name
Patents
1
Hirohiko Kikuchi
4
1
Jun Nishino
4
1
Kanehiro Kawamachi
4
1
Kazuhiro Saito
4
1
Takayuki Nishijima
4
#6
Eiji Yamatani
3
#6
Kazuyasu Kon
3
#6
Katsushi Ohneda
3
#6
Kazumi Ono
3
#6
Kenji Hasegawa
3
#6
Kunihiro Kaneko
3
#6
Masahiro Johno
3
#6
Masafumi Nagami
3
#6
Motonobu Ito
3
#6
Satoru Matsumori
3
#6
Shigeru Kobayashi
3
#6
Takatoshi Chiba
3
#6
Takashi Murakami
3
#6
Yasuo Saito
3
#6
Yoichi Hashimoto
3
#21
Akira Ogawa
2
#21
Etsuo Ichimura
2
#21
Hiroshi Komatsu
2
#21
Iwao Ito
2
#21
Katsuyuki Fukuda
2
#21
Kazuhiro Yamanouchi
2
#21
Kenjiro Sumiyoshi
2
#21
Kohki Oikawa
2
#21
Masakazu Kobayashi
2
#21
Miyuki Demachi
2
#21
Mitsuo Yamazaki
2
#21
Shinichiro Tsurushima
2
#21
Shin-ichiro Tsurushima
2
#21
Tadashi Horikoshi
2
#21
Takahiro Kawakami
2
#21
Takao Muto
2
#21
Toshiyuki Arima
2
#21
Tomonari Ishikawa
2
#21
Yorihito Okuda
2
#40
Takahiro Shikakura
1
#40
Tadao Kohzu
1
#40
Junichi Shimane
1
#40
Yoshiharu Yumikura
1
#40
Akihiro Enomoto
1
#40
Akihiro Ogura
1
#40
Eiji Akahane
1
#40
Eiichi Takano
1
#40
Haruyoshi Hayashi
1
#40
Haruto Tanaka
1
#40
Hideki Hashizume
1
1
2
3
Next »
Related Companies
Munters
73
Ite Tech.
73
Grendene S.A.
73
Solid State System Co.
73
Enpulz
73
Julius-Maximilians-Universitat Wurzburg
73
Tripwire
73
Bitsight Technologies
73
Japan Agency For Marine-Earth Science And Technology
73