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Method of forming viahole
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Patent number 6,319,817
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Issue date Nov 20, 2001
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Sony Corporation
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Hiroshi Komatsu
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H01 - BASIC ELECTRIC ELEMENTS
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Method of forming viahole
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Patent number 5,981,376
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Issue date Nov 9, 1999
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Sony Corporation
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Hiroshi Komatsu
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H01 - BASIC ELECTRIC ELEMENTS
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Electrophotographic process
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Patent number 4,350,750
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Issue date Sep 21, 1982
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Ricoh Company, Ltd.
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Shigeru Suzuki
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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