Patents by Inventor Osamu Iwakata

Osamu Iwakata 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).

  • Cab for construction machine, and construction machine and motor grader each having the cab mounted thereon
    Patent number: 8152226
    Abstract: A cab for a construction machine, a construction machine, and a motor grader are described. The construction machine and the motor grader each have the cab mounted thereon. The cab includes a floor and a roof, each having a respective front side having corresponding left and right ends, which are diagonally cut forward. A front window is provided on a front surface of the cab is formed in a trapezoidal shape. Upper and lower window frames are disposed along both the left and right ends of the floor and the roof. Frames are also disposed on front sides of side window frames along both left and right side window frames of the front window. When mounted on a construction machine or motor grader used for road surface and ground operations, the cab increases visibility of the area to be operated upon, specifically, visibility in the forward view.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: April 10, 2012
    Assignee: Komatsu Ltd.
    Inventors: Osamu Iwakata, Yasuyuki Satake, Kazuhiro Takemoto
  • CAB FOR CONSTRUCTION MACHINE, AND CONSTRUCTION MACHINE AND MOTOR GRADER EACH HAVING THE CAB MOUNTED THEREON
    Publication number: 20100156144
    Abstract: A cab for a construction machine, a construction machine, and a motor grader are described. The construction machine and the motor grader each have the cab mounted thereon. The cab includes a floor and a roof, each having a respective front side having corresponding left and right ends, which are diagonally cut forward. A front window is provided on a front surface of the cab is formed in a trapezoidal shape. Upper and lower window frames are disposed along both the left and right ends of the floor and the roof. Frames are also disposed on front sides of side window frames along both left and right side window frames of the front window. When mounted on a construction machine or motor grader used for road surface and ground operations, the cab increases visibility of the area to be operated upon, specifically, visibility in the forward view.
    Type: Application
    Filed: April 14, 2008
    Publication date: June 24, 2010
    Applicant: KOMATSU LTD.
    Inventors: Osamu Iwakata, Yasuyuki Satake, Kazuhiro Takemoto
  • Cabin of motor grader
    Patent number: D594036
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: June 9, 2009
    Assignee: Komatsu Ltd.
    Inventors: Osamu Iwakata, Kazuhiro Takemoto, Hayato Kinoshita