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Portable terminal
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Patent number 7,948,356
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Issue date May 24, 2011
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Panasonic Corporation
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Hiromi Kawamura
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Disc drive device
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Patent number 7,031,240
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Issue date Apr 18, 2006
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Matsushita Electric Industrial Co., Ltd.
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Toru Suetomo
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G11 - INFORMATION STORAGE
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Disc drive device
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Patent number 6,747,927
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Issue date Jun 8, 2004
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Matsushita Electric Industrial Co., Ltd.
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Toru Suetomo
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G11 - INFORMATION STORAGE