Forward Citations = 1

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3 inventors (with patents filed for the assignee):

Takao Matsui (1 out of 3 patents)

Kenkichi Itoh (1 out of 2 patents)

Toshio Murakami (1 out of 2 patents)

1 patent: Sort by Forward Citations

#19 in Sakai

#15,542 in Japan

Osaka Filter Co., Ltd.

Forward Citations = 1

3 inventors:

Takao Matsui (1 out of 3 patents)

Kenkichi Itoh (1 out of 2 patents)

Toshio Murakami (1 out of 2 patents)

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