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Akio Takatsu
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Ichikawashi, JP
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last 30 patents
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Patent Grant
Flexible wiring board and method of preparing the same
Patent number
5,288,950
Issue date
Feb 22, 1994
Sumitomo Metal Mining Company Limited
Ryozo Ushio
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Photo-mask for manufacture of two-layer tab
Patent number
5,284,725
Issue date
Feb 8, 1994
Sumitomo Metal Mining Co., Ltd.
Akio Takatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY