Patents by Inventor Akihiro KAI

Akihiro KAI 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).

  • Method of controlling storage battery, apparatus for controlling storage battery, and electric power control system
    Patent number: 9660305
    Abstract: A method of controlling a high-temperature storage battery connected to an electric power system, an apparatus for controlling the storage battery, and an electric power control system reside in that, when the temperature of the storage battery is equal to or lower than a reference temperature, charging and discharging the storage battery with charging and discharging electric power, which is the sum of charging and discharging electric power based on a preset process of operating the storage battery and charging and discharging electric power corresponding to charging and discharging cycles each of a continuous charging time of 1 hour or shorter and a continuous discharging time of 1 hour or shorter, for thereby supplying thermal energy to the storage battery.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: May 23, 2017
    Assignee: NGK Insulators, Ltd.
    Inventors: Tetsuya Hatta, Akihiro Kai
  • METHOD OF CONTROLLING STORAGE BATTERY, APPARATUS FOR CONTROLLING STORAGE BATTERY, AND ELECTRIC POWER CONTROL SYSTEM
    Publication number: 20140162091
    Abstract: A method of controlling a high-temperature storage battery connected to an electric power system, an apparatus for controlling the storage battery, and an electric power control system reside in that, when the temperature of the storage battery is equal to or lower than a reference temperature, charging and discharging the storage battery with charging and discharging electric power, which is the sum of charging and discharging electric power based on a preset process of operating the storage battery and charging and discharging electric power corresponding to charging and discharging cycles each of a continuous charging time of 1 hour or shorter and a continuous discharging time of 1 hour or shorter, for thereby supplying thermal energy to the storage battery.
    Type: Application
    Filed: February 14, 2014
    Publication date: June 12, 2014
    Applicant: NGK INSULATORS, LTD.
    Inventors: Tetsuya HATTA, Akihiro KAI