Patent Leaderboard
USPTO Patent Rankings
Data through Sept 30, 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
›
Kdd
KD
Kdd
Rank
(All Time):
#12,293
of
106,127
Top 15%
96
inventors
54
Patents All Time
Top Inventors at Kdd
All Time
Showing
1–50
of
96
inventors
Rank
Name
Patents
1
Shu Yamamoto
12
2
Noboru Edagawa
10
3
Masatoshi Suzuki
9
#4
Hiromasa Yanagihara
5
#4
Masaru Sugano
5
#4
Shigeyuki Akiba
5
#4
Yasuyuki Nakajima
5
#4
Yukio Horiuchi
5
#4
Akio Yoneyama
5
#10
Hidenori Taga
4
#10
Keiji Tanaka
4
#10
Shuichi Matsumoto
4
#10
Aritomo Uemura
4
#14
Hiroshi Ichibangase
3
#14
Kazuo Hashimoto
3
#14
Kiwami Matsushita
3
#14
Ryoichi Kawada
3
#14
Tetsuya Miyazaki
3
#14
Toshinori Suzuki
3
#14
Yoshio Takeuchi
3
#14
Yuichi Matsushima
3
#22
Fumio Watanabe
2
#22
Hideaki Yamada
2
#22
Kazunori Matsumoto
2
#22
Koji Goto
2
#22
Masahiro Wada
2
#22
Naoki Kobayashi
2
#22
Shigeyuki Sakazawa
2
#22
Takahiro Hamada
2
#22
Takatomi Kabashima
2
#22
Tadayoshi Kitayama
2
#22
Takashi Mizuochi
2
#22
Takehiro Tsuritani
2
#22
Teruyuki Hasegawa
2
#22
Tetsuya Nakai
2
#22
Toru Hasegawa
2
#22
Toshihiko Kato
2
#22
Toshio Kawazawa
2
#22
Toshikane Oda
2
#22
Toshio Tani
2
#22
Yasuhiro Takishima
2
#22
Yukio Noda
2
#22
Akira Yamaguchi
2
#44
Atsushi Ito
1
#44
Eiichi Shibano
1
#44
Haruhisa Sakata
1
#44
Hiroyuki Fukuoka
1
#44
Hiroki Horiuchi
1
#44
Hisato Iwai
1
#44
Hiroyuki Matsumoto
1
1
2
Next »
Related Companies
Softspikes
54
Saurer Gmbh & Co. Kg
54
Newport News Shipbuilding And Dry Dock
54
Tsudakoma
54
Caldwell Manufacturing
54
Stx
54
Hunt Holdings
54
Aspect Communications
54
Labatt Brewing Company Limited
54