Yasuoki Kawahata

Person

  • Ibaraki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Portable cutting machine

    • Patent number 9,144,923
    • Issue date Sep 29, 2015
    • Hitachi Koki Co., Ltd.
    • Yoshikazu Yokoyama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electric power tool

    • Patent number 8,513,838
    • Issue date Aug 20, 2013
    • Hitachi Koki Co., Ltd.
    • Junichi Toukairin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    PORTABLE CUTTING MACHINE

    • Publication number 20130180116
    • Publication date Jul 18, 2013
    • Hitachi Koki Co., Ltd.
    • Yoshikazu Yokoyama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Electric power tool

    • Publication number 20100283332
    • Publication date Nov 11, 2010
    • Junichi TOUKAIRIN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS