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
›
Combi
CO
Combi
— 331 Patents
Rank
(All Time):
#2,438
of
106,120
Top 3%
161
inventors
331
Patents All Time
Top Inventors at Combi
All Time
Showing
1–50
of
161
inventors
Rank
Name
Patents
1
Yoshiyasu Ishii
106
2
Shinroku Nakao
104
3
Takehiko Takahashi
45
#4
Hiroaki Matsuda
29
#5
Susumu Matsumoto
28
#6
Taira Hanashima
24
#7
Toshiro Yoshie
18
#8
Kenshun Ishii
17
#9
Hitoshi Kato
14
#9
Tomihiro Kaneko
14
#11
Yoshiyuki Suzuki
13
#12
Masami Shiraishi
12
#13
Fumie Shibata
11
#13
Kojiro Yamazaki
11
#13
Tokihiko Ikuno
11
#13
Yuuki Shibata
11
#13
Yutaka Ukitsu
11
#18
Yuichi Arai
10
#19
Hideo Saito
9
#19
Shushi Hosoya
9
#21
Ryoichi Yumoto
8
#21
Takashi Ishikura
8
#23
Masatoshi Doi
7
#23
Masao Ito
7
#23
Nobuaki Takamizu
7
#23
Yukio Ishige
7
#27
Kazunao Ogura
6
#27
Kiyoshi Hoshino
6
#27
Kouichi Kobayashi
6
#27
Mitsuru Washizuka
6
#27
Takashi Watanabe
6
#32
Kazuhiko Arai
5
#32
Kazuo Nagata
5
#32
Kenji Funakura
5
#32
Keiichi Nakamura
5
#32
Kunimasa Tsuchiya
5
#32
Tomihisa Kaneko
5
#32
Yuuichi Arai
5
#39
Harukaze Koga
4
#39
Katsuhiro Iwata
4
#39
Kazunobu Koike
4
#39
Kazumi Minoguchi
4
#39
Keita Tanaka
4
#39
Koichi Kobayashi
4
#39
Masako Mizugami
4
#39
Manabu Takizawa
4
#39
Nobuhide Suga
4
#39
Tatsuo Nakamata
4
#39
Toru Miyachi
4
#39
Toshihide Shimura
4
1
2
3
Next »
Related Companies
Jx Nippon Oil & Energy
332
Advanced Energy Industries
332
Wake Forest University Health Sciences
332
Hiwin Technologies
332
British Technology Group Limited
331
Aac Acoustic Technologies (Shenzhen) Co.
331
Dai-Ichi Seiko Co.
331
American Power Conversion
330
Nippon Petrochemicals, Co.
330