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Nagase & Co., Ltd. and Kabushiki Kaisha Toukai Spring Seisakusho

USPTO Granted Patents = 1

Forward Citations = 6

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2 inventors (with patents filed for the assignee):

Keiichi Murakami (1 out of 5 patents)

Syoichi Yasue (1 out of 5 patents)

1 patent: Sort by Forward Citations

1. 5788860 - Method for manufacturing a supporting plate for a filter (1998-08-04),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#913 in

#15,596 in Japan

Nagase & Co., Ltd. and Kabushiki Kaisha Toukai Spring Seisakusho

Forward Citations = 6

2 inventors:

Keiichi Murakami (1 out of 5 patents)

Syoichi Yasue (1 out of 5 patents)

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