Patents by Inventor Ishishita Teruo

Ishishita Teruo 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).

  • State of charge calculation device and state of charge calculation method
    Patent number: 6845332
    Abstract: A state of charge calculation device includes an ammeter for detecting charge and discharge currents of a secondary battery, a state detection sensor for detecting a start time of discharge from the secondary battery to an engine, a battery electronic control unit (ECU) for calculating a state of charge of the secondary battery. The battery ECU of this state of charge calculation device calculates the state of charge of the secondary battery, based on the current and voltage detected at the time when discharge starts.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: January 18, 2005
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Ishishita Teruo
  • State of charge calculation device and state of charge calculation method
    Publication number: 20030097225
    Abstract: A state of charge calculation device includes an ammeter for detecting charge and discharge currents of a secondary battery, a state detection sensor for detecting a start time of discharge from the secondary battery to an engine, a battery electronic control unit (ECU) for calculating a state of charge of the secondary battery. The battery ECU of this state of charge calculation device calculates the state of charge of the secondary battery, based on the current and voltage detected at the time when discharge starts.
    Type: Application
    Filed: October 31, 2002
    Publication date: May 22, 2003
    Inventor: Ishishita Teruo