Patents by Inventor Chieh Sung

Chieh Sung 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: 20170366019
    Abstract: A battery switching system is provided for battery operation. The battery switching system includes at least one first battery device and one second battery device, and a battery switch device. The first battery device and the second battery device have different voltages. The battery switch device has an accommodating space to accommodate the first battery device and the second battery device. When the battery switch device is in a charge mode, the battery switch device charges the first battery device and second battery device of lower voltage to match the voltage of the other of the first battery device and second battery device of higher voltage before simultaneously charging both the first battery device and second battery device.
    Type: Application
    Filed: June 16, 2016
    Publication date: December 21, 2017
    Inventors: Chieh Sung, Francis Jungwon LEE