Patents by Inventor Michael Yi Chu

Michael Yi Chu 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: 20090021934
    Abstract: An optical illuminating system is adapted to receive and scatter light from a primary light source, such as the sun. The optical illuminating system includes a light input device adapted for receiving the light from the primary light source, a light output device, and a light transmission device that is coupled optically to the light input device and the light output device for transmitting the light received by the light input device to the light output device by total reflection. The light output device scatters the light received from the light transmission device for output.
    Type: Application
    Filed: November 5, 2007
    Publication date: January 22, 2009
    Inventor: Michael Yi CHU
  • Patent number: 5648700
    Abstract: A fluorescent lamp device includes a transparent sealed container which is filled with a working gas, an electron emitting unit which extends into the container and which is operable to emit electrons that interact with the working gas to generate short-wave ultraviolet energy, and a light emitting member which is disposed in the container and which is made of an insulator material. The light emitting member has an external surface coated with a layer of fluorescent material that converts the ultraviolet energy into visible light.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: July 15, 1997
    Inventors: Michael Yi Chu, David Yu Chu