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last 30 patents
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Patent Grant
Digital audio player
Patent number
D551255
Issue date
Sep 18, 2007
Kabushiki Kaisha Toshiba
Naoko Chikuma
D14 - Recording, communication, or information retrieval equipment
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Patent Grant
Digital audio player
Patent number
D537837
Issue date
Mar 6, 2007
Kabushiki Kaisha Toshiba
Masatomo Naruki
D14 - Recording, communication, or information retrieval equipment