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Adapter for non-circular disc
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Patent number 7,191,459
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Issue date Mar 13, 2007
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Orient Instrument Computer Co., Ltd.
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Tomoaki Ito
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G11 - INFORMATION STORAGE
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Adaptor for optical disk
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Patent number 6,976,264
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Issue date Dec 13, 2005
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Orient Instrument Computer Co. Ltd.
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Masato Murata
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G11 - INFORMATION STORAGE
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Optical disk
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Patent number 6,620,479
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Issue date Sep 16, 2003
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Orient Instrument Computer Company, Ltd.
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Tomoaki Ito
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G11 - INFORMATION STORAGE