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
›
Tdk
Tdk
— 199 Patents in 2017
Rank
(2017):
#185
of
29,970
Top 1%
394
inventors
199
Patents 2017
Top Inventors at Tdk
2017
Showing
1–50
of
394
inventors
Rank
Name
Patents
1
Atsushi Sano
10
2
Nobuo Takagi
6
3
Anuj Madan
5
3
Atsushi Yamaguchi
5
3
Chikara Ishizaka
5
3
Daisuke Tanaka
5
3
Hisayuki Abe
5
3
Junji Aotani
5
3
Setu Tsuchida
5
3
Tatsuo Namikawa
5
3
Toshio Tomonari
5
3
Yasushi Enokido
5
#13
Dev V. Gupta
4
#13
Eiji Kato
4
#13
Hiroki Uchiyama
4
#13
Hideyuki Ukita
4
#13
Jianwen Bao
4
#13
Jun Emoto
4
#13
Katsuyuki Kurachi
4
#13
Kei Hirata
4
#13
Kiyoshi Hatanaka
4
#13
Koji Shimazawa
4
#13
Noritaka Chiyo
4
#13
Raitarou Masaoka
4
#13
Rien Gahlsdorf
4
#13
Shigeaki Tanaka
4
#13
Taeko Tsubokura
4
#13
Yosuke Antoku
4
#13
Yoshihiko Yano
4
#13
Yuuki Aburakawa
4
#31
Hiroshi Igarashi
3
#31
Hisayoshi Watanabe
3
#31
Katsunori Imai
3
#31
Katsuki Kurihara
3
#31
Kenichi Yoshida
3
#31
Kohsuke Shimazaki
3
#31
Masahito Furukawa
3
#31
Makoto Orikasa
3
#31
Masaki Sobu
3
#31
Michitaka Nishiyama
3
#31
Nobuhiro Jingu
3
#31
Satoshi Ozawa
3
#31
Shohei Fujii
3
#31
Shigemitsu Tomaki
3
#31
Tamotsu Ishiyama
3
#31
Tadamasa Iwamoto
3
#31
Taku Masai
3
#31
Takashi Suzuki
3
#31
Tetsuya Hiraki
3
#31
Tetsuya Nishiyama
3
1
2
3
Next »
Related Companies
PayPal
205
Syngenta Participations Ag
205
Sun Patent Trust
204
Fraunhofer
202
Compagnie Generale Des Etablissements Michelin
199
Semiconductor Manufacturing International (Shanghai)
198
Komatsu
198
Hitachi High-Technologies
193