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Hidenori Yokoyama

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  • Tochigi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air conditioner
    • Patent number 6,708,505
    • Issue date Mar 23, 2004
    • Hitachi, Ltd.
    • Hiroo Nakamura
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Air-conditioner for use in an automobile
    • Patent number 6,682,322
    • Issue date Jan 27, 2004
    • Hitachi, Ltd.
    • Sunao Funakoshi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 6,631,619
    • Issue date Oct 14, 2003
    • Hitachi, Ltd.
    • Masayuki Nonaka
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner with defrosting mode
    • Patent number 4,774,813
    • Issue date Oct 4, 1988
    • Hitachi, Ltd.
    • Hidenori Yokoyama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Air-conditioner for use in an automobile
    • Publication number 20030082061
    • Publication date May 1, 2003
    • Sunao Funakoshi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Air conditioner
    • Publication number 20030033392
    • Publication date Feb 13, 2003
    • Hiroo Nakamura
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Air-conditioning apparatus
    • Publication number 20030019944
    • Publication date Jan 30, 2003
    • Masayuki Nonaka
    • F24 - HEATING RANGES VENTILATING