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Disk drive device
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Patent number 6,002,659
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Issue date Dec 14, 1999
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Yamaha Corporation
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Mikio Ogusu
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G11 - INFORMATION STORAGE
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Disc case
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Patent number RE33695
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Issue date Sep 17, 1991
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Yamaha Corporation
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Mikio Ogusu
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369 - Dynamic information storage or retrieval
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Disc case
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Patent number 4,694,448
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Issue date Sep 15, 1987
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Nippon Gakki Seizo Kabushiki Kaisha
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Takuya Tamaru
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G11 - INFORMATION STORAGE
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Disc playback device
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Patent number 4,679,182
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Issue date Jul 7, 1987
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Nippon Gakki Seizo Kabushiki Kaisha
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Yasuhiko Kamoshita
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G11 - INFORMATION STORAGE
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Disc case
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Patent number 4,669,078
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Issue date May 26, 1987
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Nippon Gakki Seizo Kabushiki Kaisha
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Mikio Ogusu
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G11 - INFORMATION STORAGE
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Disc reproducing apparatus
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Patent number 4,627,037
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Issue date Dec 2, 1986
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Nippon Gakki Seizo Kabushiki Kaisha
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Takuya Tamaru
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G11 - INFORMATION STORAGE