Patents by Inventor Yuka Nakagawa

Yuka Nakagawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7854284
    Abstract: The present invention is provided with a pair of vertical plates disposed on a rotating frame, a fuel tank and a working oil tank aligned on the rotating frame in the front-back direction, hydraulic pipes for coupling a control valve provided in the working oil tank and a working actuator, and a retaining tool for retaining the hydraulic pipes between the control valve and the actuator, and the hydraulic pipes are arranged from the control valve to the retaining tool through a clearance formed between the fuel tank and the working oil tank.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: December 21, 2010
    Assignee: Kobelco Construction Machinery Co., Ltd.
    Inventors: Noriyuki Wada, Kazuyuki Takeda, Yuka Nakagawa
  • Publication number: 20080282586
    Abstract: The present invention is provided with a pair of vertical plates disposed on a rotating frame, a fuel tank and a working oil tank aligned on the rotating frame in the front-back direction, hydraulic pipes for coupling a control valve provided in the working oil tank and a working actuator, and a retaining tool for retaining the hydraulic pipes between the control valve and the actuator, and the hydraulic pipes are arranged from the control valve to the retaining tool through a clearance formed between the fuel tank and the working oil tank.
    Type: Application
    Filed: April 28, 2008
    Publication date: November 20, 2008
    Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD
    Inventors: Noriyuki WADA, Kazuyuki Takeda, Yuka Nakagawa