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PC card
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Patent number 6,850,413
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Issue date Feb 1, 2005
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Matsushita Electric Industrial Co., Ltd.
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Masaki Amie
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Portable cellular phone
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Patent number 6,842,626
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Issue date Jan 11, 2005
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Matsushita Electric Industrial Co., Ltd.
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Tetsuya Kubo
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Portable radio device
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Patent number 6,643,529
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Issue date Nov 4, 2003
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Matsushita Electric Industrial Co., Ltd.
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Yukinari Inoue
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H04 - ELECTRIC COMMUNICATION TECHNIQUE