Patents by Inventor Masayoshi Yanagida

Masayoshi Yanagida 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: 10840845
    Abstract: A vehicle drive control device that controls a vehicle drive device in which a first engagement device, a rotating electrical machine, and a second engagement device are provided in this order from an input side in a mechanical power transmission path connecting an input to an output, the input being drive-coupled to an internal combustion engine serving as a vehicle drive power source, and the output being drive-coupled to wheels, wherein each of the first engagement device and the second engagement device can be changed between an engaged state in which drive power is transmitted and a disengaged state in which drive power is not transmitted, the vehicle control device including an electronic control unit.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: November 17, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Masakazu Sato, Yomei Hakumura, Masashi Miyazaki, Masayoshi Yanagida
  • Publication number: 20200036315
    Abstract: A vehicle drive control device that controls a vehicle drive device in which a first engagement device, a rotating electrical machine, and a second engagement device are provided in this order from an input side in a mechanical power transmission path connecting an input to an output, the input being drive-coupled to an internal combustion engine serving as a vehicle drive power source, and the output being drive-coupled to wheels, wherein each of the first engagement device and the second engagement device can be changed between an engaged state in which drive power is transmitted and a disengaged state in which drive power is not transmitted, the vehicle control device including an electronic control unit
    Type: Application
    Filed: January 23, 2018
    Publication date: January 30, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Masakazu SATO, Yomei HAKUMURA, Masashi MIYAZAKI, Masayoshi YANAGIDA
  • Publication number: 20030130772
    Abstract: An electric vehicle drive control device includes an electric machine drive portion equipped with a first electric machine connected to a wheel of an electric vehicle and a second electric machine for running the electric vehicle and a controller that judges whether a stall determination condition which indicates whether the electric vehicle is in a stalled state is established, limits, if the stall determination conditions is established, an electric machine target torque of the second electric machine and compensates with an electric machine target torque of the first electric machine according to an amount of the electric machine target torque of the second electric machine that was limited, drives the first electric machine based on the compensated electric machine target torque of the first electric machine and drives the second electric machine based on the limited electric machine target torque of the second electric machine.
    Type: Application
    Filed: December 24, 2002
    Publication date: July 10, 2003
    Applicant: AISIN AW CO., LTD.
    Inventors: Masayoshi Yanagida, Hiromichi Agata, Toshio Okoshi