Tokyo, Japan

Nippon Zenn Co. Ltd.


USPTO Granted Patents = 1

Forward Citations = 11

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3 inventors (with patents filed for the assignee):

goldMedal Takaaki Kohtaki (1 out of 21 patents)

silverMedal Yoichiro Kubo (1 out of 23 patents)

bronzeMedal Kiyomori Oura (1 out of 2 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 2 2025

1 Patents

#5,751 in Tokyo

#15,589 in Japan

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Tokyo, Japan
Forward Citations = 11

3 inventors:

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