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Sumitomo Chemical
Rank (1989):
#58
of 11,124
Top 1%
315 inventors
148
Patents 1989
Top Inventors at Sumitomo Chemical
1989
Showing 1–50 of 315 inventors
Rank
Name
Patents
1
Eiki Nagano
15
2
Takashi Omura
13
3
Kouichi Morita
12
#4
Ryo Sato
10
#4
Toru Haga
10
#6
Naoki Harada
8
#7
Ryo Yoshida
7
#8
Yutaka Kayane
5
#8
Masami Fukao
5
#8
Toshihiko Morimitsu
5
#8
Gohfu Suzukamo
5
#8
Hiroshi Matsumoto
5
#13
Kiyoto Maeda
4
#13
Kunihiko Imada
4
#13
Kunimasa Kamio
4
#13
Noriaki Yamauchi
4
#13
Sadanobu Kikkawa
4
#13
Shunichi Hashimoto
4
#13
Shuji Kitamura
4
#13
Sumio Nishida
4
#13
Tamaki Ishii
4
#13
Tadayuki Ohmae
4
#13
Hiroyoshi Takao
4
#13
Katsuzo Kamoshita
4
#25
Yasuyuki Kato
3
#25
Yasuhisa Saito
3
#25
Yoshiharu Tatsukami
3
#25
Yuzuru Sanemitsu
3
#25
Yutaka Shiomi
3
#25
Yukio Yasunori
3
#25
Kazuki Wakamatsu
3
#25
Kazufumi Yokogawa
3
#25
Kiyohiko Nakae
3
#25
Kouichiro Asao
3
#25
Kozo Kotani
3
#25
Kunio Saegusa
3
#25
Masayuki Enomoto
3
#25
Masahiko Moritani
3
#25
Manji Sasaki
3
#25
Masao Shiroshita
3
#25
Masahiro Yuyama
3
#25
Noritada Matsuo
3
#25
Satoshi Taguchi
3
#25
Shigenori Tsuda
3
#25
Shinichi Yachigo
3
#25
Takuzo Okumura
3
#25
Tadashi Sakurai
3
#25
Tamio Shirafuji
3
#25
Toyokazu Okada
3
#25
Akio Imai
3
1
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3
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