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Hirokazu Takayama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pulse tube refrigerating machine
    • Patent number 11,098,931
    • Issue date Aug 24, 2021
    • Sumitomo Heavy Industries, Ltd.
    • Hirokazu Takayama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Pulse tube refrigerator
    • Patent number 10,066,855
    • Issue date Sep 4, 2018
    • Sumitomo Heavy Industries, Ltd.
    • Mingyao Xu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    4-valve pulse tube cryocooler
    • Patent number 8,516,833
    • Issue date Aug 27, 2013
    • Sumitomo Heavy Industries, Ltd.
    • Mingyao Xu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Coating material having corrosion resistance and wear resistance
    • Patent number 7,172,821
    • Issue date Feb 6, 2007
    • Ebara Corporation
    • Kenichi Sugiyama
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method of analyzing corrosion and corrosion prevention
    • Patent number 6,258,252
    • Issue date Jul 10, 2001
    • Ebara Corporation
    • Matsuho Miyasaka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Damper plate and method for producing thereof
    • Patent number 6,250,643
    • Issue date Jun 26, 2001
    • Ebara Corporation
    • Hirokazu Takayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Plastic product and manufacturing method therefor
    • Patent number 6,126,774
    • Issue date Oct 3, 2000
    • Ebara Corporation
    • Hirokazu Takayama
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plastic product and manufacturing method therefor
    • Patent number 5,989,664
    • Issue date Nov 23, 1999
    • Ebara Corporation
    • Hirokazu Takayama
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for producing a damper plate having substantially polygon pa...
    • Patent number 5,823,033
    • Issue date Oct 20, 1998
    • Ebara Corporation
    • Hirokazu Takayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sliding material
    • Patent number 5,792,717
    • Issue date Aug 11, 1998
    • Ebara Corporation
    • Hirokazu Takayama
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    PULSE TUBE REFRIGERATOR
    • Publication number 20140250920
    • Publication date Sep 11, 2014
    • Sumitomo Heavy Industries, Ltd.
    • Mingyao XU
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    PULSE TUBE REFRIGERATOR
    • Publication number 20110173995
    • Publication date Jul 21, 2011
    • Sumitomo Heavy Industries, Ltd.
    • Hirokazu Takayama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    4-VALVE PULSE TUBE CRYOCOOLER
    • Publication number 20110000226
    • Publication date Jan 6, 2011
    • Sumitomo Heavy Industries, Ltd.
    • MINGYAO XU
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Pulse tube refrigerating machine
    • Publication number 20080295524
    • Publication date Dec 4, 2008
    • Sumitomo Heavy Industries, Ltd.
    • Hirokazu Takayama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Coating material having corrosion resistance and wear resistance
    • Publication number 20030203233
    • Publication date Oct 30, 2003
    • EBARA CORPORATION
    • Kenichi Sugiyama
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...