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For the Inventor, By the Inventor

Tokyo, Japan

Kanto Koatsu


USPTO Granted Patents = 1

Forward Citations = 3

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6 inventors (with patents filed for the assignee):

goldMedal Nobuo Aoki (1 out of 14 patents)

silverMedal Tsuyoshi Aoyama (1 out of 3 patents)

bronzeMedal Jun Kurita (1 out of 1 patent)

4.  Fusaji Shoji (1 out of 32 patents)

5.  Toshiyuki Kiriyu (1 out of 1 patent)

6.  Yoshinori Matsuzaki (1 out of 1 patent)


1 patent:

1. 5047560 - Process for producing highly pure 3,3',4,4'-biphenyltetracarboxylic acid (1991-09-10),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#6,083 in Tokyo

#15,722 in Japan

Tokyo, JP
Tokyo, Japan

Kanto Koatsu

Forward Citations = 3

6 inventors:

goldMedal Nobuo Aoki (1 out of 14 patents)

silverMedal Tsuyoshi Aoyama (1 out of 3 patents)

bronzeMedal Jun Kurita (1 out of 1 patent)

4.  Fusaji Shoji (1 out of 32 patents)

5.  Toshiyuki Kiriyu (1 out of 1 patent)

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