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Kazuhiko Umezawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Computer
    • Patent number D484877
    • Issue date Jan 6, 2004
    • NEC Corporation
    • Kazuhiko Umezawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Computer
    • Patent number D484501
    • Issue date Dec 30, 2003
    • NEC Corporation
    • Kazuhiko Umezawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Computer
    • Patent number D484502
    • Issue date Dec 30, 2003
    • NEC Corporation
    • Kazuhiko Umezawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Cooling structure for multi-chip module
    • Patent number 6,023,413
    • Issue date Feb 8, 2000
    • NEC Corporation
    • Kazuhiko Umezawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Integrated circuit device cooling structure
    • Patent number 5,990,550
    • Issue date Nov 23, 1999
    • NEC Corporation
    • Kazuhiko Umezawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Liquid cooling system for LSI packages
    • Patent number 5,522,452
    • Issue date Jun 4, 1996
    • NEC Corporation
    • Tsukasa Mizuno
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Cooling structure for integrated circuits
    • Patent number 5,463,528
    • Issue date Oct 31, 1995
    • NEC Corporation
    • Kazuhiko Umezawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Cooling structure for integrated circuits
    • Patent number 5,390,076
    • Issue date Feb 14, 1995
    • NEC Corporation
    • Kazuhiko Umezawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Integrated circuit package having a cooling mechanism
    • Patent number 5,329,419
    • Issue date Jul 12, 1994
    • NEC Corporation
    • Kazuhiko Umezawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Abnormal temperature detector for electronic apparatus
    • Patent number 5,079,542
    • Issue date Jan 7, 1992
    • NEC Corporation
    • Kazuhiko Umezawa
    • G08 - SIGNALLING
  • Information Patent Grant

    Cooling system for IC package
    • Patent number 5,036,384
    • Issue date Jul 30, 1991
    • NEC Corporation
    • Kazuhiko Umezawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Flat cooling structure of integrated circuit
    • Patent number 5,023,695
    • Issue date Jun 11, 1991
    • NEC Corporation
    • Kazuhiko Umezawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Structure for temperature detection in a package
    • Patent number 4,975,766
    • Issue date Dec 4, 1990
    • NEC Corporation
    • Kazuhiko Umezawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Cooling unit
    • Patent number 4,945,980
    • Issue date Aug 7, 1990
    • NEC Corporation
    • Kazuhiko Umezawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents