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
›
Kaneka
KA
Kaneka
— 1,717 Patents
Rank
(All Time):
#496
of
106,120
Top 1%
1,525
inventors
1,717
Patents All Time
Top Inventors at Kaneka
All Time
Showing
1–50
of
1,525
inventors
Rank
Name
Patents
1
Yasuyoshi Ueda
54
2
Yoshiki Nakagawa
52
3
Yasushi Nishikawa
49
#4
Kenji Yamamoto
43
#5
Mutsuaki Murakami
41
#6
Kenichi Kitano
37
#6
Toshihiko Okamoto
37
#8
Yoshihiko Yasohara
35
#9
Kenji Inoue
34
#10
Daisuke Adachi
31
#11
Shiro Kitamura
29
#12
Katsuyu Wakabayashi
28
#12
Yusuke Ohta
28
#14
Kunta Yoshikawa
27
#15
Akira Nishiyama
26
#16
Akira Takaki
25
#16
Takashi Inada
25
#18
Masayuki Fujita
24
#18
Naoaki Taoka
24
#20
Ayako Yano
22
#20
Noriyuki Suzuki
22
#22
Hideo Yamagishi
21
#22
Masato Kusakabe
21
#24
Masaru Mitsuda
20
#25
Taizo Aoyama
19
#25
Takahiro Ueda
19
#27
Hiroshi Iwakiri
18
#27
Junzo Hasegawa
18
#27
Kiyokazu Akahori
18
#27
Makoto Mishiro
18
#27
Takashi Kuchiyama
18
#27
Takao Manabe
18
#27
Yoshihide Sekito
18
#34
Fuminobu Kitayama
17
#34
Hisayasu Kaneshiro
17
#34
Koichi Kinoshita
17
#34
Noriyuki Kizaki
17
#34
Tadashi Moroshima
17
#34
Tetsuya T. Minami
17
#40
Jun Tomono
16
#40
Masataka Kondo
16
#40
Masashi Yoshimi
16
#40
Nao Fujita
16
#40
Shigeru Kawano
16
#40
Shigehiko Miyamoto
16
#40
Shinichi Yoshida
16
#40
Takashi Kikuchi
16
#48
Akira Kobayashi
15
#48
Hidetoshi Odaka
15
#48
Kazuaki Matsumoto
15
1
2
3
Next »
Related Companies
Acer Incorporated
1,732
Lenovo (Beijing) Limited
1,731
Visteon Global Technologies
1,730
National Institute Of Advanced Industrial Science And Technology
1,730
Semiconductor Manufacturing International (Shanghai)
1,724
Wuhan China Star Optoelectronics Semiconductor Display Technology Co.
1,717
Whitaker &
1,716
Gopro
1,716
Silicon Laboratories
1,704