Patents by Inventor Toshinori OKOCHI

Toshinori OKOCHI 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).

  • Publication number: 20160114697
    Abstract: An electric powered vehicle includes: a motor; an inverter configured to convert electric power from a battery to drive the motor; a transmission configured to shift the rotation output of the motor at a variable transmission gear ratio; and a controller configured to control the inverter to control the driving of the motor and to control a change in the shift gear stage, and to perform high surge region avoidance control for changing the gear ratio of the transmission to change a motor rotation speed while maintaining a vehicle speed and changing an operation point outside a high surge region, when the operation point of the motor enters the high surge region where the inverter is controlled by a PWM overmodulation control system, and the high surge region is defined to be equal to or higher than a predetermined rotation speed and equal to or less than predetermined torque.
    Type: Application
    Filed: October 27, 2015
    Publication date: April 28, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomohiko MIYAMOTO, Masaya YAMAMOTO, Toshinori OKOCHI, Takeshi ISHIDA