Niigata-Ken, Japan

Yokiwa Seiko Kabushiki Kaisha


USPTO Granted Patents = 1

Forward Citations = 10

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3 inventors (with patents filed for the assignee):

goldMedal Kazuo Sakamaki (1 out of 23 patents)

silverMedal Akira Sakamaki (1 out of 26 patents)

bronzeMedal Choukichi Sato (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#4 in Niigata-Ken

#15,539 in Japan

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Niigata-Ken, Japan
Forward Citations = 10

3 inventors:

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