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Tracking control apparatus
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Patent number 4,761,773
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Issue date Aug 2, 1988
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Olympus Optical Co., Ltd.
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Hiroo Okada
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G11 - INFORMATION STORAGE
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Lead screw for moving a head
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Patent number 4,729,250
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Issue date Mar 8, 1988
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Seikosha Co., Ltd.
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Yoshiaki Ikeda
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Optical disk apparatus
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Patent number 4,611,317
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Issue date Sep 9, 1986
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Olympus Optical Co., Ltd.
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Toyoaki Takeuchi
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G11 - INFORMATION STORAGE
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Multicolor ink ribbon cassette
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Patent number 4,526,487
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Issue date Jul 2, 1985
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Seikosha Co., Ltd.
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Yoshiaki Ikeda
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Moving coil type printing head
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Patent number 4,362,405
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Issue date Dec 7, 1982
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Seikosha Co., Ltd.
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Yoshiaki Ikeda
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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