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Takao ARADACHI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery diagnosis device and battery pack
    • Patent number 10,551,442
    • Issue date Feb 4, 2020
    • KOKI HOLDINGS CO., LTD.
    • Yuki Horie
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Power tool
    • Patent number 10,486,295
    • Issue date Nov 26, 2019
    • KOKI HOLDINGS CO., LTD.
    • Takao Aradachi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool and battery pack
    • Patent number 10,205,198
    • Issue date Feb 12, 2019
    • KOKI HOLDINGS CO., LTD.
    • Yoshikazu Kawano
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Battery charger with charge abnormality checking function
    • Patent number 8,841,880
    • Issue date Sep 23, 2014
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Charging device
    • Patent number 8,497,662
    • Issue date Jul 30, 2013
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery charger including a comparator
    • Patent number 8,344,696
    • Issue date Jan 1, 2013
    • Hitachi Koko Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Charging apparatus and charge control method
    • Patent number 8,294,425
    • Issue date Oct 23, 2012
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Lithium battery pack
    • Patent number 8,231,992
    • Issue date Jul 31, 2012
    • Hitachi Koki Co., Ltd.
    • Kazuhiko Funabashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Charging system for charging battery pack
    • Patent number 8,093,859
    • Issue date Jan 10, 2012
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery charger
    • Patent number 8,035,350
    • Issue date Oct 11, 2011
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrical power tool
    • Patent number 8,016,048
    • Issue date Sep 13, 2011
    • Hitachi Koki Co., Ltd.
    • Takashi Ueda
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Charging device having protective switching element
    • Patent number 8,013,575
    • Issue date Sep 6, 2011
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power pack and cordless power tool having the same
    • Patent number 7,969,116
    • Issue date Jun 28, 2011
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Battery charger with battery life judging function
    • Patent number 7,800,343
    • Issue date Sep 21, 2010
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Secondary battery charging device
    • Patent number 7,652,450
    • Issue date Jan 26, 2010
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery charging apparatus
    • Patent number 7,592,780
    • Issue date Sep 22, 2009
    • Hitachi Koki Co., Ltd.
    • Kazuhiko Funabashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery charger
    • Patent number 7,579,807
    • Issue date Aug 25, 2009
    • Hitachi Koki Co., Ltd.
    • Kazuhiko Funabashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Cordless power tool with overcurrent protection circuit permitting...
    • Patent number 7,521,892
    • Issue date Apr 21, 2009
    • Hitachi Koki Co., Ltd.
    • Kazuhiko Funabashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery charger for charging lithium-ion battery
    • Patent number 7,446,508
    • Issue date Nov 4, 2008
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery charger with control of two power supply circuits
    • Patent number 7,439,708
    • Issue date Oct 21, 2008
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC power source unit with battery charging function
    • Patent number 7,196,911
    • Issue date Mar 27, 2007
    • Hitachi Koki Co., Ltd.
    • Nobuhiro Takano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC power source unit with battery charging function
    • Patent number 7,145,314
    • Issue date Dec 5, 2006
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery charger capable of accurately detecting battery temperature...
    • Patent number 7,064,523
    • Issue date Jun 20, 2006
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery charger capable of indicating time remaining to achieve ful...
    • Patent number 6,992,464
    • Issue date Jan 31, 2006
    • Hitachi Koki Co., Ltd.
    • Nobuhiro Takano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Charging apparatus
    • Patent number 6,949,914
    • Issue date Sep 27, 2005
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    BATTERY PACK
    • Publication number 20180212283
    • Publication date Jul 26, 2018
    • Hitachi Koki Co., Ltd.
    • Takao ARADACHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BATTERY DIAGNOSIS DEVICE AND BATTERY PACK
    • Publication number 20180143256
    • Publication date May 24, 2018
    • Hitachi Koki Co., Ltd.
    • Yuki HORIE
    • G01 - MEASURING TESTING
  • Information Patent Application

    POWER TOOL AND BATTERY PACK
    • Publication number 20170194670
    • Publication date Jul 6, 2017
    • Hitachi Koki Co., Ltd.
    • Yoshikazu KAWANO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    POWER TOOL
    • Publication number 20160297059
    • Publication date Oct 13, 2016
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Charging Device
    • Publication number 20150318720
    • Publication date Nov 5, 2015
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Charging Device
    • Publication number 20150311730
    • Publication date Oct 29, 2015
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Charging Device
    • Publication number 20150236536
    • Publication date Aug 20, 2015
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Backpack-Type Power Supply
    • Publication number 20150188332
    • Publication date Jul 2, 2015
    • Hitachi Koki Co., Ltd.
    • Yasushi Nakano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER TOOL
    • Publication number 20140014384
    • Publication date Jan 16, 2014
    • Yuki HORIE
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CHARGER AND POWER SUPPLY SYSTEM
    • Publication number 20140001853
    • Publication date Jan 2, 2014
    • Hitachi Koki Co., Ltd.
    • Hiroyuki Hanawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER TOOL
    • Publication number 20130284480
    • Publication date Oct 31, 2013
    • Hitachi Koki Co., Ltd.
    • Yuki HORIE
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power Tool
    • Publication number 20130113438
    • Publication date May 9, 2013
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    BATTERY PACK AND POWER TOOL
    • Publication number 20130095350
    • Publication date Apr 18, 2013
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • G01 - MEASURING TESTING
  • Information Patent Application

    Battery Pack and Cordless Power Tool Having The Same
    • Publication number 20110253402
    • Publication date Oct 20, 2011
    • Takao Aradachi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CHARGING SYSTEM AND BATTERY PACK
    • Publication number 20110199059
    • Publication date Aug 18, 2011
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CHARGING APPARATUS AND CHARGE CONTROL METHOD
    • Publication number 20110140664
    • Publication date Jun 16, 2011
    • Takao Aradachi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Battery Charger With Charge Abnormality Checking Function
    • Publication number 20110101911
    • Publication date May 5, 2011
    • Hitachi Koki Co., Ltd
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Solar Power System For Charging Battery Pack
    • Publication number 20110025255
    • Publication date Feb 3, 2011
    • Hitachi Koki Co., Ltd
    • Takao Aradachi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CORDLESS POWER TOOL AND ACCOMODATION CASE
    • Publication number 20100065295
    • Publication date Mar 18, 2010
    • Hitachi Koki Co., Ltd.
    • Takao Aradachi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electrical Power Tool
    • Publication number 20100038103
    • Publication date Feb 18, 2010
    • Hitachi Koki Co., Ltd
    • Takashi Ueda
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    LITHIUM BATTERY PACK
    • Publication number 20090305115
    • Publication date Dec 10, 2009
    • Kazuhiko Funabashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Charging System for Charging Battery Pack
    • Publication number 20090189562
    • Publication date Jul 30, 2009
    • HITACHI KOKI CO., LTD.
    • Takao Aradachi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Charging Device
    • Publication number 20090108804
    • Publication date Apr 30, 2009
    • HITACHI KOKI CO., LTD.
    • Takao ARADACHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BATTERY CHARGER
    • Publication number 20090102428
    • Publication date Apr 23, 2009
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    BATTERY CHARGER
    • Publication number 20090033291
    • Publication date Feb 5, 2009
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Charging Device
    • Publication number 20080231229
    • Publication date Sep 25, 2008
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CHARGING DEVICE
    • Publication number 20080180065
    • Publication date Jul 31, 2008
    • Takao ARADACHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Secondary battery charging device
    • Publication number 20070075685
    • Publication date Apr 5, 2007
    • Takao Aradachi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Battery charger with battery life judging function
    • Publication number 20070013344
    • Publication date Jan 18, 2007
    • Takao Aradachi
    • G01 - MEASURING TESTING
  • Information Patent Application

    Cordless power tool with overcurrent protection circuit
    • Publication number 20060220605
    • Publication date Oct 5, 2006
    • Kazuhiko Funabashi
    • H01 - BASIC ELECTRIC ELEMENTS