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Encryption device and method
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Patent number 7,640,436
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Issue date Dec 29, 2009
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Matsushita Electric Industrial Co., Ltd.
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Osamu Shibata
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Decryption device
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Patent number 7,272,856
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Issue date Sep 18, 2007
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Matsushita Electric Industrial Co., Ltd.
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Osamu Shibata
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Semiconductor memory card
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Patent number 6,606,707
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Issue date Aug 12, 2003
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Matsushita Electric Industrial Co., Ltd.
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Teruto Hirota
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G06 - COMPUTING CALCULATING COUNTING
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Bus bridge apparatus
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Patent number 5,978,879
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Issue date Nov 2, 1999
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Matsushita Electric Industrial Co., Ltd.
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Hideaki Harumoto
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G06 - COMPUTING CALCULATING COUNTING
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Multimedia server
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Patent number 5,875,297
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Issue date Feb 23, 1999
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Matsushita Electric Industrial Co., Ltd.
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Taihei Yugawa
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H04 - ELECTRIC COMMUNICATION TECHNIQUE