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Disc cartridge
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Patent number D844630
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Issue date Apr 2, 2019
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Sony Corporation
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Jun Sawai
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D14 - Recording, communication, or information retrieval equipment
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Disc cartridge
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Patent number D766251
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Issue date Sep 13, 2016
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Sony Corporation
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Jun Sawai
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D14 - Recording, communication, or information retrieval equipment
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Electronic equipment
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Patent number 8,199,501
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Issue date Jun 12, 2012
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Sony Corporation
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Jun Sawai
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G06 - COMPUTING CALCULATING COUNTING
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Electronic device
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Patent number 8,110,756
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Issue date Feb 7, 2012
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Sony Corporation
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Jun Sawai
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Switch and recording medium
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Patent number 8,106,733
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Issue date Jan 31, 2012
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Sony Corporation
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Masaki Nakasuji
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H01 - BASIC ELECTRIC ELEMENTS
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-
-
-
-
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-
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Rotary head drum unit
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Patent number 5,237,478
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Issue date Aug 17, 1993
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Sony Corporation
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Jun Sawai
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G11 - INFORMATION STORAGE