Patents by Inventor Akira Yamato

Akira Yamato 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).

  • Publication number: 20170058485
    Abstract: A hydraulic excavator is provided with an electric motor, an electrical equipment, a cooling fan, a partitioning member, and a cooling unit. The electrical equipment is connected electrically to the electric motor. The cooling fan generates cooling air. The partitioning member forms a ventilation path for guiding the cooling air. The cooling unit is arranged so as to block the ventilation path. The cooling unit has first and second cooling devices. The first cooling device cools a cooling medium for the electrical equipment. The second cooling device is arranged laterally to the first cooling device.
    Type: Application
    Filed: August 24, 2015
    Publication date: March 2, 2017
    Inventors: Hayao YOSHINO, Takashi SUGIGUCHI, Akira YAMATO
  • Patent number: 8573681
    Abstract: A hydraulic excavator includes a lower travel body, an upper swivel buds, a harness and a bracket. The harness is drawn out from an interior of a cab, disposed between the cab and a center frame, and connected to electrical components. The bracket is secured to the cab and supports the harness along a side surface of the cab. The harness is supported about a periphery of the bracket, and has a first, portion downwardly drawn out from a bottom surface of the cab, a second portion extending more outward than the side surface of the cab and forward from the first portion along the bottom surface of the cab, a third portion extending upward from the second portion along the side surface of the cab, and a fourth portion extending toward a rear part of the hydraulic excavator from the third portion along the side surface of the cab.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: November 5, 2013
    Assignee: Komatsu Ltd.
    Inventors: Akira Yamato, Takehiko Shibuya, Tetsuji Nihei
  • Publication number: 20130115036
    Abstract: A hydraulic excavator includes a lower travel body, an upper swivel buds, a harness and a bracket. The harness is drawn out from an interior of a cab, disposed between the cab and a center frame, and connected to electrical components. The bracket is secured to the cab and supports the harness along a side surface of the cab. The harness is supported about a periphery of the bracket, and has a first, portion downwardly drawn out from a bottom surface of the cab, a second portion extending more outward than the side surface of the cab and forward from the first portion along the bottom surface of the cab, a third portion extending upward from the second portion along the side surface of the cab, and a fourth portion extending toward a rear part of the hydraulic excavator from the third portion along the side surface of the cab.
    Type: Application
    Filed: May 24, 2012
    Publication date: May 9, 2013
    Applicant: Komatsu Ltd.
    Inventors: Akira Yamato, Takehiko Shibuya, Tetsuji Nihei