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Yoshinori Hakuraku

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Superconducting materials including La-Sr-Nb-O, Y-Ba-Nb-O, La-Sr-Nb...
    • Patent number 5,183,799
    • Issue date Feb 2, 1993
    • Hitachi, Ltd.
    • Tetsuya Ogushi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Process for producing superconducting material
    • Patent number 4,892,862
    • Issue date Jan 9, 1990
    • Hitachi, Ltd.
    • Tetsuya Ogushi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Magnetic refrigerator and refrigeration method
    • Patent number 4,785,636
    • Issue date Nov 22, 1988
    • Hitachi, Ltd.
    • Yoshinori Hakuraku
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rotary magnetic refrigerator
    • Patent number 4,625,519
    • Issue date Dec 2, 1986
    • Hitachi, Ltd.
    • Yoshinori Hakuraku
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Cryogenic liquefied pump system
    • Patent number 4,593,835
    • Issue date Jun 10, 1986
    • Hitachi, Ltd.
    • Seiichi Kikkawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Magnetic refrigerator
    • Patent number 4,532,770
    • Issue date Aug 6, 1985
    • Hitachi, Ltd.
    • Yoshinori Hakuraku
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Cryostat
    • Patent number 4,502,296
    • Issue date Mar 5, 1985
    • Hitachi, Ltd.
    • Hisanao Ogata
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Magnetic refrigerating apparatus
    • Patent number 4,457,135
    • Issue date Jul 3, 1984
    • Hitachi, Ltd.
    • Yoshinori Hakuraku
    • F28 - HEAT EXCHANGE IN GENERAL