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NK
Nippon Kayaku
Rank (All Time):
#1139
of 106,127
Top 2%
1,103 inventors
769
Patents All Time
Top Inventors at Nippon Kayaku
All Time
Showing 1–50 of 1,103 inventors
Rank
Name
Patents
1
Minoru Yokoshima
30
2
Yasuo Shirasaki
26
3
Kouichi Tanaka
24
#4
Hiroaki Ohno
20
#4
Yuichi Sadamitsu
20
#6
Masaaki Ikeda
19
#7
Hiroyuki Matsumoto
18
#8
Katsutoshi Takahashi
17
#9
Takashi Yoneda
15
#9
Akira Kawaguchi
15
#11
Koichiro Shigaki
14
#11
Masayuki Kitagawa
14
#11
Seiichi Saito
14
#11
Takashi Yoshimoto
14
#11
Teruhisa Inoue
14
#11
Tetsushi Saino
14
#17
Dairi Kubo
13
#17
Eishi Sato
13
#17
Kenjiro Ikeda
13
#17
Takahiro Higeta
13
#17
Tatsuhiko Kurakami
13
#17
Tetsuo Ohkubo
13
#17
Yasuo Murakami
13
#24
Hamao Umezawa
12
#24
Katsunori Fujii
12
#24
Nobuyoshi Shimada
12
#24
Shizuo Shimano
12
#24
Takafumi Fujii
12
#24
Yasuo Kuroda
12
#24
Akira Shiozawa
12
#31
Atsushi Sudo
11
#31
Masataka Nakanishi
11
#31
Masaki Shinmoto
11
#31
Mutsumi Matsumoto
11
#31
Noriko Kajiura
11
#31
Takahiko Matsui
11
#31
Taizo Nakagawa
11
#31
Takuto Nishiguchi
11
#31
Akio Fujii
11
#40
Hiroshi Hayami
10
#40
Hiroshi Ninomiya
10
#40
Hideki Sugi
10
#40
Keiichirou Yamamoto
10
#40
Koji Tanaka
10
#40
Nao Honda
10
#40
Ryoutarou Morita
10
#40
Shigeru Maeda
10
#40
Yasumasa Akatsuka
10
#40
Yoshiki Akatani
10
#50
Hisao Ekimoto
9
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