Patents by Inventor Kohtaroh UNO

Kohtaroh UNO 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: 10392781
    Abstract: To improve working efficiency in an eco mode when a power mode and the eco mode have been set in a wheel loader, the wheel loader is provided with a controller having an eco mode characteristic line, a power mode characteristic line, and a lifting operation characteristic line having a matching point C located between a matching point A between a working device operating engine torque characteristic line and the eco mode characteristic line and a matching point B between the working device operating engine torque characteristic line and the power mode characteristic line. The controller includes a control portion, which controls a HST pump in accordance with the lifting operation characteristic line when lifting operation of a lift arm is detected while the eco mode has been selected by a work mode selecting portion.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: August 27, 2019
    Assignee: KCM Corporation
    Inventors: Kohtaroh Uno, Shoroku Kawahara, Keigo Kikuchi, Koji Hyodo, Atsushi Shimazu
  • Publication number: 20190226179
    Abstract: To improve working efficiency in an eco mode when a power mode and the eco mode have been set in a wheel loader, the wheel loader is provided with a controller having an eco mode characteristic line, a power mode characteristic line, and a lifting operation characteristic line having a matching point C located between a matching point A between a working device operating engine torque characteristic line and the eco mode characteristic line and a matching point B between the working device operating engine torque characteristic line and the power mode characteristic line. The controller includes a control portion, which controls a HST pump in accordance with the lifting operation characteristic line when lifting operation of a lift arm is detected while the eco mode has been selected by a work mode selecting portion.
    Type: Application
    Filed: February 28, 2019
    Publication date: July 25, 2019
    Applicant: KCM Corporation
    Inventors: Kohtaroh UNO, Shoroku KAWAHARA, Keigo KIKUCHI, Koji HYODO, Atsushi SHIMAZU
  • Publication number: 20160326720
    Abstract: Provided is a wheel loader having an HST type driving system. In order to make it possible to improve working efficiency in an eco mode when a power mode and the eco mode have been set in the wheel loader, the wheel loader is provided with a controller 18 which has an eco mode characteristic line 31, a power mode characteristic line 32, and a lifting operation characteristic line 34 having a matching point C located between a matching point A between a working device operating engine torque characteristic line 30 and the eco mode characteristic line 31 and a matching point B between the working device operating engine torque characteristic line 30 and the power mode characteristic line 32. The controller 18 includes a control portion which controls an HST pump 11 in accordance with the lifting operation characteristic line 34 when lifting operation of a lift arm 4 is detected in the condition that the eco mode has been selected by a work mode selecting portion 22.
    Type: Application
    Filed: October 15, 2014
    Publication date: November 10, 2016
    Applicant: Hitachi Construction Machinery Co., Ltd.
    Inventors: Kohtaroh UNO, Shoroku KAWAHARA, Keigo KIKUCHI, Koji HYODO, Atsushi SHIMAZU