Patents by Inventor Ka Wong

Ka Wong 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 system
    Publication number: 20050094423
    Abstract: The invention provides a power supply system and a method for providing a power supply for a machine having a plurality of components. The system comprises a power source and a set of two or more voltage converters connected in parallel and coupled to the power source via a common bus. An electrical supply line is coupled to an output of the set of voltage converters for supplying a required voltage to the components of the machine connected to the electrical supply line.
    Type: Application
    Filed: October 30, 2003
    Publication date: May 5, 2005
    Inventors: Kam Lai, Ka Wong, Chi Yuen, Chi Tang
  • Apparatus and methods for detecting nucleic acid in biological samples
    Publication number: 20050084865
    Abstract: There are disclosed apparatus and methods for the field-assisted acceleration of biological processes involving charged entities, including in particular the detection of target DNA in a biological sample. A reaction cell is provided with a dielectric surface, and a field is generated by inducing charge-separation in the dielectric material by applying a potential to an electrode in contact with the dielectric material.
    Type: Application
    Filed: October 16, 2003
    Publication date: April 21, 2005
    Applicant: Hong Kong DNA Chips Limited
    Inventors: Cheung Yu, Lok Lau, Ka Wong