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Atsumasa Kubota

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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery pack including a status detection unit to detect an abnorma...
    • Patent number 8,643,339
    • Issue date Feb 4, 2014
    • Panasonic Corporation
    • Norihiro Iwamura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Charger
    • Patent number 8,633,824
    • Issue date Jan 21, 2014
    • Panasonic Corporation
    • Tatsuya Miwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rechargeable electric power tool
    • Patent number 8,344,675
    • Issue date Jan 1, 2013
    • Panasonic Electric Works Power Tools Co., Ltd.
    • Tatsuya Miwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rechargeable electric power tool
    • Patent number 8,084,981
    • Issue date Dec 27, 2011
    • Panasonic Electric Works Power Tools Co., Ltd.
    • Tatsuya Miwa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Charger
    • Patent number 7,986,128
    • Issue date Jul 26, 2011
    • Panasonic Electric Works Co., Ltd.
    • Atsumasa Kubota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power tool system
    • Patent number 7,784,104
    • Issue date Aug 24, 2010
    • Panasonic Electric Works Co., Ltd.
    • Teruhisa Innami
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Charging device
    • Patent number 7,592,779
    • Issue date Sep 22, 2009
    • Matsushita Electric Works, Ltd.
    • Tatsuya Miwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Constant-current battery charger
    • Patent number 7,208,915
    • Issue date Apr 24, 2007
    • Matsushita Electric Works, Ltd.
    • Atsumasa Kubota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery-powered electrical device having a detachable battery pack
    • Patent number 7,161,326
    • Issue date Jan 9, 2007
    • Matsushita Electric Works, Ltd.
    • Atsumasa Kubota
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Portable motor powered device
    • Patent number 6,683,396
    • Issue date Jan 27, 2004
    • Matsushita Electric Works, Ltd.
    • Yosuke Ishida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Charger
    • Publication number 20100245099
    • Publication date Sep 30, 2010
    • Panasonic Electric Works Power Tools Co., Ltd.
    • Tatsuya Miwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rechargeable electric power tool
    • Publication number 20100117581
    • Publication date May 13, 2010
    • Panasonic Electric Works Power Tools Co., Ltd.
    • Tatsuya Miwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rechargeable electric power tool
    • Publication number 20100117580
    • Publication date May 13, 2010
    • Panasonic Electric Works Power Tools Co., Ltd.
    • Tatsuya Miwa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Battery pack
    • Publication number 20090243545
    • Publication date Oct 1, 2009
    • Panasonic Electric Works Co., Ltd.
    • Norihiro Iwamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Charger
    • Publication number 20080122400
    • Publication date May 29, 2008
    • Matsushita Electric Works Ltd.
    • Atsumasa Kubota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Charging device
    • Publication number 20060214639
    • Publication date Sep 28, 2006
    • MATSUSHITA ELECTRIC WORKS, Ltd.
    • Tatsuya Miwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power tool system
    • Publication number 20060179473
    • Publication date Aug 10, 2006
    • Matsushita Electric Works, Ltd.
    • Teruhisa Innami
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Constant-current battery charger
    • Publication number 20060076921
    • Publication date Apr 13, 2006
    • Matsushita Electric Works, Ltd.
    • Atsumasa Kubota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Charging control system and motor-driven tool set
    • Publication number 20050194935
    • Publication date Sep 8, 2005
    • Atsumasa Kubota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Battery-driven electric apparatus
    • Publication number 20040257033
    • Publication date Dec 23, 2004
    • Atsumasa Kubota
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Portable motor powered device
    • Publication number 20030127932
    • Publication date Jul 10, 2003
    • Yosuke Ishida
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS