Patents by Inventor Shintaro Yokohata

Shintaro Yokohata 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).

  • QUICK COUPLER CIRCUIT FOR CONSTRUCTION EQUIPMENT
    Publication number: 20130160441
    Abstract: A switch (15) is configured so as to be operated with two positions of a locked position when an attachment is held and an unlocked position when an attachment is released. Furthermore, a control device (16) receives an operation signal that is output when the switch (15) is operated to the locked position or the unlocked position and switches and controls an electromagnetic switching valve (13) so that the pressure of a hydraulic pump begins to rise and so that, at a stage when a predetermined time has passed, the pressure raising in the hydraulic pump is stopped.
    Type: Application
    Filed: June 21, 2011
    Publication date: June 27, 2013
    Applicant: CATERPILLAR SARL
    Inventors: Shintaro Yokohata, Kota Tatsumi