Forward Citations = 4

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3 inventors (with patents filed for the assignee):

Masao Tokita (1 out of 2 patents)

Shinichi Omura (1 out of 1 patent)

Shigeru Matsui (1 out of 1 patent)

1 patent: Sort by Forward Citations

#743 in undefined, undefined

#892 in

#133,943 in US

Sumitomo Sekitan Kogyo Kabushiki Kaisha Also Trading as Sumitomo Coal

Forward Citations = 4

3 inventors:

Masao Tokita (1 out of 2 patents)

Shinichi Omura (1 out of 1 patent)

Shigeru Matsui (1 out of 1 patent)

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