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Showa Aluminum
Rank (All Time):
#3626
of 106,127
Top 4%
253 inventors
212
Patents All Time
Top Inventors at Showa Aluminum
All Time
Showing 1–50 of 253 inventors
Rank
Name
Patents
1
Hironaka Sasaki
19
2
Yoshihiko Asanuma
18
3
Ryoichi Hoshino
17
3
Toshinori Tokutake
17
#5
Ryotatsu Otsuka
14
#6
Ichiro Iwai
13
#7
Minobu Sukimoto
12
#8
Eizo Isoyama
10
#8
Hirosaburo Hirano
10
#8
Takayuki Yasutake
10
#8
Yuji Yamamoto
10
#12
Kazuo Toyoda
9
#12
Yuichi Furukawa
9
#14
Ichizo Tsukuda
8
#14
Masahiro Kojima
8
#14
Shinji Ito
8
#14
Shoichi Sato
8
#14
Shigemi Tanimoto
8
#14
Shunta Ushioda
8
#20
Masatoshi Enomoto
7
#20
Nobuyuki Okuda
7
#20
Rentaro Kato
7
#23
Katsuhisa Suzuki
6
#23
Kiyoshi Tada
6
#23
Koichiro Fukui
6
#23
Masakazu Furuta
6
#23
Naoki Nishikawa
6
#23
Tatsuya Hanafusa
6
#29
Haruo Arima
5
#29
Kazuo Sugiyama
5
#29
Masashi Sakaguchi
5
#29
Noboru Ohneda
5
#29
Seijiro Taguchi
5
#29
Tadao Fujihira
5
#29
Tatsuo Otsuka
5
#29
Teruo Tachi
5
#29
Tomio Ito
5
#38
Denziro Kaneko
4
#38
Hitoshi Akiyoshi
4
#38
Hirohiko Watanabe
4
#38
Ichiro Hashimoto
4
#38
Kaoru Hasegawa
4
#38
Kenji Tsukamoto
4
#38
Keiji Yamazaki
4
#38
Masaaki Munekawa
4
#38
Seiji Tasaki
4
#38
Takashi Mukasa
4
#38
Tadashi Usui
4
#38
Tetsuya Tategami
4
#38
Yasuhiro Osame
4
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