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Optical device
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Patent number 6,421,307
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Issue date Jul 16, 2002
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Sony Corporation
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Takeshi Mizuno
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G11 - INFORMATION STORAGE
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Optical device
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Patent number 5,844,877
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Issue date Dec 1, 1998
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Sony Corporation
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Takeshi Mizuno
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G11 - INFORMATION STORAGE
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Magnetic bearing
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Patent number 5,666,013
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Issue date Sep 9, 1997
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Seiko Seiki Kabushiki Kaisha
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Takeshi Mizuno
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Controlled type magnetic bearing device
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Patent number 4,839,550
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Issue date Jun 13, 1989
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Seiko Seiki Kabushiki Kaisha
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Takeshi Mizuno
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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