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Sekisui Plastics

USPTO Granted Patents = 1

Forward Citations = 22

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4 inventors (with patents filed for the assignee):

Tsuneo Doi (1 out of 3 patents)

Motoshige Hayashi (1 out of 16 patents)

Shigetoshi Tanaka (1 out of 3 patents)

4. Motokazu Yoshii (1 out of 4 patents)

1 patent: Sort by Forward Citations

1. 4454087 - Method and apparatus for preparing thermoplastic resin foam (1984-06-12),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#38 in Nara

#15,539 in Japan

Sekisui Plastics

Forward Citations = 22

4 inventors:

Tsuneo Doi (1 out of 3 patents)

Motoshige Hayashi (1 out of 16 patents)

Shigetoshi Tanaka (1 out of 3 patents)

4. Motokazu Yoshii (1 out of 4 patents)

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