Patents by Inventor Minetaka Nishimura

Minetaka Nishimura 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: 8863880
    Abstract: A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: October 21, 2014
    Assignee: Komatsu Ltd.
    Inventor: Minetaka Nishimura
  • Patent number: 8820457
    Abstract: A hydraulic excavator basically includes a counterweight, an engine compartment, an equipment compartment, a cab, a plurality of steps, a passage and a pair of antenna supporting parts for supporting a pair of GNSS antennas, respectively. The antenna supporting parts are positioned ¼ or more of the vehicle width away from the revolving center and are positioned closer to the revolving center than a left rear edge of the passage. The left rear edge of the passage is the position furthest away from the revolving center of the steps and the passage.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: September 2, 2014
    Assignee: Komatsu Ltd.
    Inventor: Minetaka Nishimura
  • Publication number: 20140133945
    Abstract: A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails.
    Type: Application
    Filed: November 13, 2012
    Publication date: May 15, 2014
    Applicant: KOMATSU LTD.
    Inventor: Minetaka Nishimura
  • Publication number: 20140133949
    Abstract: A hydraulic excavator basically includes a counterweight, an engine compartment, an equipment compartment, a cab, a plurality of steps, a passage and a pair of antenna supporting parts for supporting a pair of GNSS antennas, respectively. The antenna supporting parts are positioned ¼ or more of the vehicle width away from the revolving center and are positioned closer to the revolving center than a left rear edge of the passage. The left rear edge of the passage is the position furthest away from the revolving center of the steps and the passage.
    Type: Application
    Filed: November 13, 2012
    Publication date: May 15, 2014
    Applicant: KOMATSU LTD.
    Inventor: Minetaka Nishimura
  • Publication number: 20140133947
    Abstract: A hydraulic excavator includes a lower traveling unit, an upper revolving unit revolvably mounted on the lower traveling unit, a counterweight disposed on a rear end part of the upper revolving unit, an engine compartment disposed in front of the counterweight on the upper revolving unit, a cab disposed in front of the engine compartment on the upper revolving unit, an equipment compartment disposed between the engine compartment and the cab on the upper revolving unit, a pair of handrails and a pair of antenna supporting parts. The pair of handrails is disposed on the equipment compartment. The pair of antenna supporting parts is configured to support a pair of antennas. At least a portion of the pair of antenna supporting parts is disposed above the engine compartment. The pair of antenna supporting parts is connected to the pair of handrails.
    Type: Application
    Filed: November 13, 2012
    Publication date: May 15, 2014
    Applicant: KOMATSU LTD.
    Inventor: Minetaka Nishimura
  • Publication number: 20140133946
    Abstract: A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails.
    Type: Application
    Filed: November 13, 2012
    Publication date: May 15, 2014
    Applicant: KOMATSU LTD.
    Inventor: Minetaka Nishimura