Yutaka Komaru

Person

  • Kasumigaura-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Wet brake device

    • Patent number 9,353,813
    • Issue date May 31, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Naoyuki Okuno
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Revolving apparatus for construction machine

    • Patent number 8,956,261
    • Issue date Feb 17, 2015
    • Hitachi Construction Machinery Co., Ltd.
    • Yutaka Komaru
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Hydraulic Rotary Machine

    • Publication number 20150300333
    • Publication date Oct 22, 2015
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Kazuhiro NUMAGUCHI
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    WET BRAKE DEVICE

    • Publication number 20130248303
    • Publication date Sep 26, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Naoyuki Okuno
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    WET BRAKE DEVICE

    • Publication number 20130180809
    • Publication date Jul 18, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Yoshitomo Yabuuchi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    REVOLVING APPARATUS FOR CONSTRUCTION MACHINE

    • Publication number 20120309577
    • Publication date Dec 6, 2012
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Yutaka Komaru
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING