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Yasuo Etou

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Patents Grantslast 30 patents

  • Information Patent Grant

    Chainsaw
    • Patent number 9,486,867
    • Issue date Nov 8, 2016
    • Hitachi Koki Co., Ltd.
    • Yasuo Etou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool
    • Patent number 9,381,638
    • Issue date Jul 5, 2016
    • Hitachi Koki Co., Ltd.
    • Ai Nakayama
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Chainsaw
    • Patent number 9,381,665
    • Issue date Jul 5, 2016
    • Hitachi Koki Co., Ltd.
    • Miyoji Onose
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool
    • Patent number 9,254,563
    • Issue date Feb 9, 2016
    • Hitachi Koki Co., Ltd.
    • Hiroshi Yamaguchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Chain saw
    • Patent number 9,044,875
    • Issue date Jun 2, 2015
    • Hitachi Koki Co., Ltd.
    • Yasutaka Shimizu
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Impact driver
    • Patent number D499945
    • Issue date Dec 21, 2004
    • Hitachi Koki Co., Ltd.
    • Nobuhisa Sugawara
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric driver drill
    • Patent number D496843
    • Issue date Oct 5, 2004
    • Hitachi Koki Co., Ltd.
    • Nobuhisa Sugawara
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric screw driver
    • Patent number D440850
    • Issue date Apr 24, 2001
    • Hitachi Koki Co., Ltd.
    • Takashi Ozawa
    • D08 - Tools and hardware

Patents Applicationslast 30 patents

  • Information Patent Application

    CHAINSAW
    • Publication number 20150321377
    • Publication date Nov 12, 2015
    • Hitachi Koki Co., Ltd.
    • Miyoji ONOSE
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHAINSAW
    • Publication number 20140345149
    • Publication date Nov 27, 2014
    • Yasuo Etou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHAIN SAW
    • Publication number 20130180118
    • Publication date Jul 18, 2013
    • Hitachi Koki Co., Ltd.
    • Yasutaka Shimizu
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Power Tool
    • Publication number 20130068493
    • Publication date Mar 21, 2013
    • Hiroshi Yamaguchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power Tool
    • Publication number 20130068492
    • Publication date Mar 21, 2013
    • Hitachi Koko Co., Ltd.
    • Ai Nakayama
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Inverter Device and Electrical Power Tool
    • Publication number 20120024552
    • Publication date Feb 2, 2012
    • Hitachi Koki Co., Ltd
    • Yoshikazu Kawano
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING