Osaka, Japan

Katayama Chemical Works Co., Ktd.


USPTO Granted Patents = 1

Forward Citations = 18

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3 inventors (with patents filed for the assignee):

goldMedal Sakae Katayama (1 out of 20 patents)

silverMedal Atsushi Tsuda (1 out of 4 patents)

bronzeMedal Kenzi Hanno (1 out of 4 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#1,495 in Osaka

#15,591 in Japan

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Osaka, Japan
Forward Citations = 18

3 inventors:

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