Masami Kawazu

Person

  • Kanuma, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Protection circuit

    • Patent number 7,679,330
    • Issue date Mar 16, 2010
    • Sony Corporation
    • Yuji Furuuchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Protective element

    • Patent number 7,535,332
    • Issue date May 19, 2009
    • Sony Chemicals Corporation
    • Yuji Furuuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Secondary battery devices

    • Patent number 7,333,315
    • Issue date Feb 19, 2008
    • Sony Chemical & Information Device Corporation
    • Masami Kawazu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Secondary batteries having a protective circuit

    • Patent number 7,163,757
    • Issue date Jan 16, 2007
    • Sony Corp.
    • Norikazu Iwasaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Secondary battery with protective circuit

    • Patent number 7,079,003
    • Issue date Jul 18, 2006
    • Sony Corporation
    • Kazutaka Furuta
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Secondary batteries having a protective circuit

    • Patent number 6,917,505
    • Issue date Jul 12, 2005
    • Sony Chemicals Corp.
    • Norikazu Iwasaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Protective element

    • Patent number 6,566,995
    • Issue date May 20, 2003
    • Sony Chemicals Corporation
    • Yuji Furuuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Protective element

    • Patent number 6,462,318
    • Issue date Oct 8, 2002
    • Sony Chemicals Corp.
    • Yuji Furuuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Protective device

    • Patent number 6,452,475
    • Issue date Sep 17, 2002
    • Sony Chemicals Corp.
    • Masami Kawazu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Overcurrent protection device

    • Patent number 6,351,361
    • Issue date Feb 26, 2002
    • Sony Chemicals Corporation
    • Masami Kawazu
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Protection circuit

    • Publication number 20070159138
    • Publication date Jul 12, 2007
    • SONY CHEMICAL & INFORMATION DEVICE CORPORATION
    • Yuji Furuuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Secondary battery with protective circuit

    • Publication number 20050225421
    • Publication date Oct 13, 2005
    • Sony Chemicals Corp.
    • Kazutaka Furuta
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Secondary battery devices

    • Publication number 20050221164
    • Publication date Oct 6, 2005
    • SONY CHEMICALS CORP.
    • Masami Kawazu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Protection circuit-equipped secondary battery

    • Publication number 20030134183
    • Publication date Jul 17, 2003
    • Norikazu Iwasaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Secondary batteries having a protective circuit

    • Publication number 20030064257
    • Publication date Apr 3, 2003
    • Norikazu Iwasaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Protective element

    • Publication number 20020014945
    • Publication date Feb 7, 2002
    • SONY CHEMICALS CORP.
    • Yuji Furuuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Protective element

    • Publication number 20010044168
    • Publication date Nov 22, 2001
    • SONY CHEMICALS CORP.
    • Yuji Furuuchi
    • H01 - BASIC ELECTRIC ELEMENTS