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Kosaku Sayo

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  • Katsuta, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable displacement wobble plate compressor with capacity control...
    • Patent number 4,815,943
    • Issue date Mar 28, 1989
    • Hitachi, Ltd.
    • Kenichi Kawashima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus for measuring refrigerant flow rate in refrigeration cycle
    • Patent number 4,653,288
    • Issue date Mar 31, 1987
    • Hitachi, Ltd.
    • Kosaku Sayo
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant flow control device
    • Patent number 4,617,804
    • Issue date Oct 21, 1986
    • Hitachi, Ltd.
    • Toshihiko Fukushima
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant flow rate control device
    • Patent number 4,618,092
    • Issue date Oct 21, 1986
    • Hitachi, Ltd.
    • Toshihiko Fukushima
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electromagnetic clutch and method of manufacture
    • Patent number 4,413,717
    • Issue date Nov 8, 1983
    • Hitachi, Ltd.
    • Hisanobu Kanamaru
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making an electromagnetic clutch
    • Patent number 4,305,198
    • Issue date Dec 15, 1981
    • Hitachi, Ltd.
    • Hisanobu Kanamaru
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Electromagnetic clutch
    • Patent number 4,295,553
    • Issue date Oct 20, 1981
    • Hitachi, Ltd.
    • Kosaku Sayo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of making V-grooved pulley assembly
    • Patent number 4,290,295
    • Issue date Sep 22, 1981
    • Hitachi, Ltd.
    • Hisanobu Kanamaru
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Electromagnetic clutch
    • Patent number 4,150,738
    • Issue date Apr 24, 1979
    • Hitachi, Ltd.
    • Kosaku Sayo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...