Patents by Inventor Yasuki YOSHIKAWA

Yasuki YOSHIKAWA 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: 10625591
    Abstract: An electric vehicle comprises: an electric drive unit including an electric motor used as a drive power source, a transaxle including a differential device and coupled to a motor shaft of the electric motor in a power transmittable manner on one end side of the electric motor in a direction of a motor centerline to transmit an output of the electric motor through the differential device to a pair of drive shafts, and a case housing the electric motor and the transaxle. The case includes a first end surface portion located on the other end side of the electric motor in the motor centerline direction and rotatably supporting the motor shaft, and an accessory component of the vehicle is attached to an outside surface of the first end surface portion.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: April 21, 2020
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yukinobu Nishikawa, Takeshi Kuwahara, Eiji Ito, Yasuki Yoshikawa
  • Patent number: 10286771
    Abstract: A drive unit for a hybrid vehicle an axial length thereof is shortened is provided. A power distribution device is disposed in an inner circumferential side of a cylindrical output gear, and at least a portion of a second clutch is also disposed in the inner circumferential side of the output gear while being adjacent to the power distribution device in an axial direction.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: May 14, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Toshiki Kanada, Tatsuya Imamura, Yasuki Yoshikawa, Atsushi Tabata
  • Publication number: 20190084403
    Abstract: An electric vehicle comprises: an electric drive unit including an electric motor used as a drive power source, a transaxle including a differential device and coupled to a motor shaft of the electric motor in a power transmittable manner on one end side of the electric motor in a direction of a motor centerline to transmit an output of the electric motor through the differential device to a pair of drive shafts, and a case housing the electric motor and the transaxle. The case includes a first end surface portion located on the other end side of the electric motor in the motor centerline direction and rotatably supporting the motor shaft, and an accessory component of the vehicle is attached to an outside surface of the first end surface portion.
    Type: Application
    Filed: September 20, 2018
    Publication date: March 21, 2019
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yukinobu Nishikawa, Takeshi Kuwahara, Eiji Ito, Yasuki Yoshikawa
  • Publication number: 20170096058
    Abstract: A drive unit for a hybrid vehicle an axial length thereof is shortened is provided. A power distribution device is disposed in an inner circumferential side of a cylindrical output gear, and at least a portion of a second clutch is also disposed in the inner circumferential side of the output gear while being adjacent to the power distribution device in an axial direction.
    Type: Application
    Filed: October 5, 2016
    Publication date: April 6, 2017
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Toshiki KANADA, Tatsuya IMAMURA, Yasuki YOSHIKAWA, Atsushi TABATA