Tokyo, Japan

Japan Vac's Metal Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 18

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5 inventors (with patents filed for the assignee):

goldMedal Yoshiyuki Sato (1 out of 38 patents)

silverMedal Kenjiro Obara (1 out of 5 patents)

bronzeMedal Yoshio Murakami (1 out of 15 patents)

4 Shinsaku Morita (1 out of 1 patent)

5 Mitsuyosi Saito (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#4,070 in Tokyo

#10,988 in Japan

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Tokyo, Japan
Forward Citations = 18

5 inventors:

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