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Ultrasonic imaging system
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Patent number 5,097,709
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Issue date Mar 24, 1992
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Hitachi, Ltd.
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Hiroshi Masuzawa
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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Input device
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Patent number 4,755,707
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Issue date Jul 5, 1988
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Hitachi Metals, Ltd.
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Chitose Nakaya
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H03 - BASIC ELECTRONIC CIRCUITRY
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Ultrasonic probes
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Patent number 4,736,631
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Issue date Apr 12, 1988
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Hitachi, Ltd.
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Hiroshi Takeuchi
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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Tomographic imaging system
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Patent number 4,211,926
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Issue date Jul 8, 1980
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Hitachi Medical Corporation
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Chitose Nakaya
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Tomographic imaging system
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Patent number 4,212,062
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Issue date Jul 8, 1980
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Hitachi Medical Corporation
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Hideki Kohno
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE