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Sound detecting mechanism
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Patent number 7,570,773
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Issue date Aug 4, 2009
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Hosiden Corporation
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Yoshiaki Ohbayashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Data processing device
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Patent number 7,567,746
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Issue date Jul 28, 2009
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Panasonic Corporation
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Shinichi Saeki
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G11 - INFORMATION STORAGE
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Sound detecting mechanism
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Patent number 7,386,136
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Issue date Jun 10, 2008
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Hosiden Corporation
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Yoshiaki Ohbayashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Electret capacitor microphone
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Patent number 7,292,696
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Issue date Nov 6, 2007
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Hosiden Corporation
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Shinichi Saeki
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Semiconductor device
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Patent number 6,566,728
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Issue date May 20, 2003
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Sanyo Electric Co., LTD
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Shigeaki Okawa
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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