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Distribution system
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Patent number 7,509,179
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Issue date Mar 24, 2009
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Panasonic Corporation
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Masaharu Matsumoto
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Encoding device and decoding device
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Patent number 6,904,089
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Issue date Jun 7, 2005
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Matsushita Electric Industrial Co., Ltd.
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Masahiro Sueyoshi
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Decoding device
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Patent number 6,297,754
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Issue date Oct 2, 2001
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Matsushita Electric Industrial Co., Ltd.
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Shuji Miyasaka
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H03 - BASIC ELECTRONIC CIRCUITRY