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Kabushiki Kaisha Chiyoda

USPTO Granted Patents = 2

Forward Citations = 7

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4 inventors (with patents filed for the assignee):

Isao Sugawara (1 out of 5 patents)

Tokuo Kumagai (1 out of 1 patent)

Shoji Toba (1 out of 1 patent)

4. Keigo Okubo (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4571287 - Electrolytically producing anodic oxidation coat on Al or Al alloy (1986-02-18),

2. 4390939 - Electric power source device (1983-06-28),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#602 in

#10,966 in Japan

Kabushiki Kaisha Chiyoda

Forward Citations = 7

4 inventors:

Isao Sugawara (1 out of 5 patents)

Tokuo Kumagai (1 out of 1 patent)

Shoji Toba (1 out of 1 patent)

4. Keigo Okubo (1 out of 1 patent)

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