Tokyo, Japan

Kabushikikaisha Sankyo Seisakujo


USPTO Granted Patents = 2

Forward Citations = 26

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3 inventors (with patents filed for the assignee):

goldMedal Yoshio Ogawa (2 out of 24 patents)

silverMedal Heizaburo Kato (2 out of 91 patents)

bronzeMedal Masao Nishioka (1 out of 3 patents)


2 patents:

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#4,062 in Tokyo

#10,962 in Japan

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Tokyo, Japan
Forward Citations = 26

3 inventors:

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