Tokyo, Japan

Toyochem Co., Ltd.


USPTO Granted Patents = 1

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

goldMedal Tsutomu Hiroshima (1 out of 2 patents)

silverMedal Koki Shiraishi (1 out of 1 patent)

bronzeMedal Hiroshi Hanaki (1 out of 1 patent)

4 Takafumi Akiyama (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Sep 15 2026

1 Patents

#6,196 in Tokyo

#15,982 in Japan

Tokyo, JP
Tokyo, Japan
Forward Citations = 0

4 inventors:

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