Patents by Inventor Jong-Hann JEAN

Jong-Hann JEAN 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: 20130181692
    Abstract: A power supply system for supplying a power to a device is disclosed. The power supply system includes a solar cell and a regulator coupled with the solar cell. The solar cell receives and converts sunlight into an output voltage. The regulator converts the output voltage into a desired voltage level to be supplied to the device. The regulator is a DC-DC converter.
    Type: Application
    Filed: January 12, 2012
    Publication date: July 18, 2013
    Applicant: RITEK CORPORATION
    Inventors: Tien-Lung LEE, Jong-Hann JEAN, Chia-Hong CHEN