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Koa Corporoation

USPTO Granted Patents = 1

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Yoji Gomi (1 out of 6 patents)

Etsurou Udagawa (1 out of 5 patents)

Yuko Echizenya (1 out of 5 patents)

4. Yoshimi Nakata (1 out of 5 patents)

5. Kenichi Iguchi (1 out of 27 patents)

1 patent: Sort by Forward Citations

1. 11370712 - Zinc oxide varistor and method for manufacturing same (2022-06-28),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#156 in Nagano

#15,557 in Japan

Koa Corporoation

Forward Citations = 0

5 inventors:

Yoji Gomi (1 out of 6 patents)

Etsurou Udagawa (1 out of 5 patents)

Yuko Echizenya (1 out of 5 patents)

4. Yoshimi Nakata (1 out of 5 patents)

5. Kenichi Iguchi (1 out of 27 patents)

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