Patent Leaderboard
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
Search
Companies
Inventors
Cities
States
Tdk
Rank (All Time):
#103
of 106,127
Top 1%
3,796 inventors
7,947
Patents All Time
Top Inventors at Tdk
All Time
Showing 1–50 of 3,796 inventors
Rank
Name
Patents
1
Koji Shimazawa
209
2
Tomoyuki Sasaki
196
3
Yoshitaka Sasaki
149
#4
Hiraku Hirabayashi
137
#5
Masaaki Togashi
130
#6
Haruo Shiba
107
#7
Daisuke Miyauchi
104
#8
Kosuke Tanaka
99
#9
Yoshihiro Tsuchiya
95
#10
Tsutomu Chou
90
#11
Akifumi Kamijima
89
#12
Eiji Komura
86
#13
Jiro Yoshinari
85
#13
Takashi Kikukawa
85
#15
Shinji Hara
83
#15
Yohei Shiokawa
83
#17
Hideki Hirata
81
#18
Toshio Tomonari
77
#19
Hajime Utsunomiya
73
#20
Katsuyuki Nakada
72
#20
Masatoshi Okamura
72
#22
Michio Arai
71
#23
Kei Hirata
70
#23
Naoki Ohta
70
#23
Norikazu Ota
70
#26
Hiroyasu Inoue
68
#26
Tomohito Mizuno
68
#28
Tetsuya Roppongi
65
#29
Masaru Ikebe
63
#30
Kazuya Watanabe
59
#31
Tatsuya Kato
58
#31
Akira Sato
58
#33
Kenzo Makino
57
#33
Koji Mishima
57
#33
Satoru Araki
57
#36
Tatsuo Shibata
54
#37
Atsushi Sano
53
#37
Koichi Terunuma
53
#37
Norihisa Ando
53
#37
Shigeru Shoji
53
#41
Seiichi Takayama
52
#41
Yoshihiko Yano
52
#43
Kazuhiro YOSHIDOME
50
#43
Kenichi Yoshida
50
#43
Takeo Kagami
50
#46
Katsumi Kobayashi
49
#46
Takahiko Machita
49
#46
Takateru Satoh
49
#46
Toshihiro Iguchi
49
#50
Takashi Suzuki
48
1
2
3
Next »