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Vacuum vessel having a cooled member
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Patent number 5,426,949
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Issue date Jun 27, 1995
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Hitachi, Ltd.
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Norihide Saho
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Compressor unit and separator therefor
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Patent number 5,158,585
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Issue date Oct 27, 1992
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Hitachi, Ltd.
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Norihide Saho
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Gas swing type refrigerator
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Patent number 5,152,147
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Issue date Oct 6, 1992
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Hitachi, Ltd.
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Norihide Saho
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Cryopump
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Patent number 5,083,445
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Issue date Jan 28, 1992
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Hitachi, Ltd.
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Norihide Saho
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Cryostat with cryo-cooler
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Patent number 4,986,077
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Issue date Jan 22, 1991
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Hitachi, Ltd.
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Norihide Saho
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Superconducting device
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Patent number 4,625,520
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Issue date Dec 2, 1986
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Hitachi, Ltd.
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Yasuomi Yagi
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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Thermal head
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Patent number 4,587,399
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Issue date May 6, 1986
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Hitachi, Ltd.
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Kazuya Higeta
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Cryostat
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Patent number 4,502,296
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Issue date Mar 5, 1985
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Hitachi, Ltd.
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Hisanao Ogata
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS