Patents by Inventor Sheng Yong

Sheng Yong 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).

  • Power supply device
    Publication number: 20050112420
    Abstract: A power supply device comprises a secondary cell group and a fuel cell group. The secondary cell group has an operative voltage range and may receive a voltage converted from a voltage converter that coupled to the fuel cell group. The fuel cell group is characterized with a maximum output power and a corresponding voltage. The corresponding voltage is not higher than the upper limit of the operative voltage range.
    Type: Application
    Filed: November 18, 2004
    Publication date: May 26, 2005
    Inventors: Chiou-Chu Lai, Yuh-Fwu Chou, Sheng-Yong Shen