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Atsuyuki Kikuchi

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  • Hitachinaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power-actuated tool
    • Patent number 10,618,157
    • Issue date Apr 14, 2020
    • KOKI HOLDINGS CO., LTD.
    • Hideyuki Hashimoto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact tool
    • Patent number 10,569,405
    • Issue date Feb 25, 2020
    • KOKI HOLDINGS CO., LTD.
    • Atsuyuki Kikuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hammer
    • Patent number D730139
    • Issue date May 26, 2015
    • Hitachi Koki Co., Ltd.
    • Takeshi Taniguchi
    • D08 - Tools and hardware
  • Information Patent Grant

    Reciprocating tool
    • Patent number 8,261,854
    • Issue date Sep 11, 2012
    • Hitachi Koki Co., Ltd.
    • Atsuyuki Kikuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool
    • Patent number 7,836,971
    • Issue date Nov 23, 2010
    • Hitachi Koki Co., Ltd.
    • Atsuyuki Kikuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Portable electric hammer drill
    • Patent number D592028
    • Issue date May 12, 2009
    • Hitachi Koki Co., Ltd.
    • Takeshi Taniguchi
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric hammer
    • Patent number D520837
    • Issue date May 16, 2006
    • Hitachi Koki Co., Ltd.
    • Hitoshi Tsuzuki
    • D08 - Tools and hardware
  • Information Patent Grant

    Striking tool
    • Patent number 6,938,705
    • Issue date Sep 6, 2005
    • Hitachi Koki Co., Ltd.
    • Atsuyuki Kikuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Percussion tool
    • Patent number 6,907,942
    • Issue date Jun 21, 2005
    • Hitachi Koki Co., Ltd.
    • Atsuyuki Kikuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Portable electric hammer
    • Patent number D477206
    • Issue date Jul 15, 2003
    • Hitachi Koki Co., Ltd.
    • Masato Sakai
    • D08 - Tools and hardware
  • Information Patent Grant

    Percussion tool
    • Patent number 6,155,356
    • Issue date Dec 5, 2000
    • Hitachi Koki Co., Ltd.
    • Atsuyuki Kikuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    IMPACT TOOL
    • Publication number 20170246736
    • Publication date Aug 31, 2017
    • Hitachi Koki Co., Ltd.
    • Atsuyuki Kikuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWER-ACTUATED TOOL
    • Publication number 20160229045
    • Publication date Aug 11, 2016
    • Hitachi Koki Co., Ltd.
    • Hideyuki HASHIMOTO
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Reciprocating Tool
    • Publication number 20100038105
    • Publication date Feb 18, 2010
    • Hitachi Koki Co., Ltd
    • Atsuyuki Kikuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Striking tool
    • Publication number 20050145403
    • Publication date Jul 7, 2005
    • Hitachi Koki Co., Ltd.
    • Atsuyuki Kikuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Percussion tool
    • Publication number 20030155142
    • Publication date Aug 21, 2003
    • Hitachi Koki Co., Ltd.
    • Atsuyuki Kikuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS