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Shinji Watanabe

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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery pack, electrical device using battery pack, and electrical...
    • Patent number 11,824,169
    • Issue date Nov 21, 2023
    • KOKI HOLDINGS CO., LTD.
    • Tomomasa Nishikawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery pack, electrical device using battery pack, and electrical...
    • Patent number 11,205,820
    • Issue date Dec 21, 2021
    • KOKI HOLDINGS CO., LTD.
    • Hiroyuki Hanawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power supply device
    • Patent number 9,345,156
    • Issue date May 17, 2016
    • Hitachi Koki Co., Ltd.
    • Masayuki Ogura
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool system and power supply device
    • Patent number 9,337,763
    • Issue date May 10, 2016
    • Hitachi Koki Co., Ltd.
    • Kazuhiko Funabashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric rotating tool
    • Patent number 9,114,519
    • Issue date Aug 25, 2015
    • Hitachi Koki Co., Ltd.
    • Kazutaka Iwata
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Inverter device and electric power tool
    • Patent number 8,964,429
    • Issue date Feb 24, 2015
    • Hitachi Koki Co., Ltd.
    • Yuki Horie
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Impact tool
    • Patent number 8,074,731
    • Issue date Dec 13, 2011
    • Hitachi Koki Co., Ltd.
    • Kazutaka Iwata
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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

    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

    Charging device for battery
    • Patent number 7,956,575
    • Issue date Jun 7, 2011
    • Hitachi Koki Co., Ltd.
    • Yoshikazu Kawano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery charger operable for selective one of a plurality of power...
    • Patent number 7,932,694
    • Issue date Apr 26, 2011
    • Hitachi Koki Co., Ltd.
    • Shinji Watanabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power tool
    • Patent number 7,932,701
    • Issue date Apr 26, 2011
    • Hitachi Koki Co., Ltd.
    • Kazuhiko Funabashi
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Power tool
    • Patent number 7,932,697
    • Issue date Apr 26, 2011
    • Hitachi Koki Co., Ltd.
    • Kazuhiko Funabashi
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • 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

    Centrifugal separator capable of reading a rotor identification sig...
    • Patent number 6,589,151
    • Issue date Jul 8, 2003
    • Hitachi Koki Co., Ltd.
    • Katsunori Akatsu
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Motor control apparatus
    • Patent number 6,204,627
    • Issue date Mar 20, 2001
    • Hitachi Koki Co. Ltd.
    • Shinji Watanabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor control system for centrifugal machine
    • Patent number 5,731,681
    • Issue date Mar 24, 1998
    • Hitachi Koki Co., Ltd.
    • Masahiro Inaniwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Centrifugal apparatus with overspeed protection
    • Patent number 5,726,881
    • Issue date Mar 10, 1998
    • Hitachi Koki Co,. Ltd.
    • Masahiro Inaniwa
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Motor control system for centrifuge
    • Patent number 5,726,550
    • Issue date Mar 10, 1998
    • Hitachi Koki Co., Ltd.
    • Masahiro Inaniwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Centrifugal apparatus having series-implemented protection means
    • Patent number 5,649,893
    • Issue date Jul 22, 1997
    • Hitachi Koki Co., Ltd.
    • Masahiro Inaniwa
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Motor control system for centrifugal machine
    • Patent number 5,608,301
    • Issue date Mar 4, 1997
    • Hitachi Koki Co., Ltd.
    • Masahiro Inaniwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    BATTERY PACK, ELECTRIC DEVICE USING BATTERY PACK, AND ELECTRIC DEVI...
    • Publication number 20240055674
    • Publication date Feb 15, 2024
    • Koki Holdings Co., Ltd.
    • Tomomasa NISHIKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BATTERY PACK, ELECTRIC APPLIANCE USING BATTERY PACK, AND ELECTRIC A...
    • Publication number 20190259984
    • Publication date Aug 22, 2019
    • Koki Holdings Co., Ltd.
    • Tomomasa NISHIKAWA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    BATTERY PACK, ELECTRICAL DEVICE USING BATTERY PACK, AND ELECTRICAL...
    • Publication number 20190259985
    • Publication date Aug 22, 2019
    • Koki Holdings Co., Ltd.
    • Hiroyuki HANAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Power Supply Device
    • Publication number 20140153171
    • Publication date Jun 5, 2014
    • Hitachi Koki Co., Ltd.
    • Masayuki Ogura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    INVERTER DEVICE AND ELECTRIC POWER TOOL
    • Publication number 20140042839
    • Publication date Feb 13, 2014
    • Hitachi Koki Co., Ltd.
    • Yuki Horie
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER TOOL SYSTEM AND POWER SUPPLY DEVICE
    • Publication number 20140015451
    • Publication date Jan 16, 2014
    • HITACHI KOKI CO. LTD.
    • Kazuhiko Funabashi
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • 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 SUPPLY DEVICE, INVERTER DEVICE, POWER TOOL
    • Publication number 20130285476
    • Publication date Oct 31, 2013
    • HITACHI KOKI CO. LTD.
    • Yasushi Nakano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Battery Adapter and Power Source Device Employing Same
    • Publication number 20130051104
    • Publication date Feb 28, 2013
    • Hitachi Koki Co., Ltd.
    • Yasushi Nakano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Tool and Battery Pack for Use Therein
    • Publication number 20120293096
    • Publication date Nov 22, 2012
    • HITACHI KOKI CO. LTD.
    • Toshio Mizoguchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWER TOOL
    • Publication number 20110242717
    • Publication date Oct 6, 2011
    • Hitachi Koki Co., Ltd.
    • Kazuhiko Funabashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWER TOOL
    • Publication number 20110037435
    • Publication date Feb 17, 2011
    • Hitachi Koki Co., Ltd.
    • Kazuhiko Funabashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BATTERY CHARGER
    • Publication number 20110025269
    • Publication date Feb 3, 2011
    • Kazuhiko Funabashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER TOOL
    • Publication number 20110000689
    • Publication date Jan 6, 2011
    • Hitachi Koki Co., Ltd.
    • Kazuhiko Funabashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electric Rotating Tool
    • Publication number 20100307782
    • Publication date Dec 9, 2010
    • Hitachi Koki Co., Ltd.
    • Kazutaka Iwata
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Impact Tool
    • Publication number 20100096155
    • Publication date Apr 22, 2010
    • Hitachi Koki Co., Ltd.
    • Kazutaka Iwata
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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

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

    Battery Charger Operable for Selective One of a Plurality of Power...
    • Publication number 20080231236
    • Publication date Sep 25, 2008
    • Shinji WATANABE
    • 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

    POWER TOOL
    • Publication number 20080061742
    • Publication date Mar 13, 2008
    • Kazuhiko Funabashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CHARGING DEVICE FOR BATTERY
    • Publication number 20070252558
    • Publication date Nov 1, 2007
    • Yoshikazu Kawano
    • 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

    Centrifugal separator
    • Publication number 20020160900
    • Publication date Oct 31, 2002
    • HITACHI KOKI CO., LTD.
    • Katsunori Akatsu
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...