Patents by Inventor Akiyoshi FUKAI

Akiyoshi FUKAI 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).

  • Hybrid vehicle
    Patent number: 11767039
    Abstract: A hybrid vehicle includes an engine, a motor, and a controller. The controller is configured to control the engine and the motor. The controller is configured to, when the engine is operated under load at the time when the vehicle slows down and stops in an autonomous driving mode in which the vehicle runs without driver's operation, set a controlling lower limit rotation speed of the engine to a maximum rotation speed out of a plurality of candidate rotation speeds and control the engine such that the engine is operated under load within a range higher than or equal to the controlling lower limit rotation speed.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: September 26, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akiyoshi Fukai, Takahiro Andoh, Tetsuro Shibata
  • HYBRID VEHICLE
    Publication number: 20220242454
    Abstract: A hybrid vehicle includes an engine, a motor, and a controller. The controller is configured to control the engine and the motor. The controller is configured to, when the engine is operated under load at the time when the vehicle slows down and stops in an autonomous driving mode in which the vehicle runs without driver's operation, set a controlling lower limit rotation speed of the engine to a maximum rotation speed out of a plurality of candidate rotation speeds and control the engine such that the engine is operated under load within a range higher than or equal to the controlling lower limit rotation speed.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 4, 2022
    Inventors: Akiyoshi FUKAI, Takahiro ANDOH, Tetsuro SHIBATA