Patents by Inventor Yuming Chen

Yuming Chen 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).

  • Omnidirectional light with protected in-ground light source
    Patent number: 6533446
    Abstract: A light, such as for an airport taxiway, in which a base includes a light source which outputs light. The light source may be an LED (light emitting diode) light source which is highly energy efficient and which has a long life. A light guide receives and guides light output from the light source. The light guide further extends out from the light source. A reflector is positioned in the light guide and reflects the light guided through the light guide to provide the appropriate illumination.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: March 18, 2003
    Assignee: Dialight Corporation
    Inventors: Yuming Chen, Michael J. Kirchoff, Robert L. Martin
  • Omnidirectional light with protected light source
    Publication number: 20020114170
    Abstract: A light, such as for an airport taxiway, in which a base includes a light source which outputs light. The light source may be an LED (light emitting diode) light source which is highly energy efficient and which has a long life. A light guide receives and guides light output from the light source. The light guide further extends out from the light source. A reflector is positioned in the light guide and reflects the light guided through the light guide to provide the appropriate illumination.
    Type: Application
    Filed: February 16, 2001
    Publication date: August 22, 2002
    Applicant: DIALIGHT CORPORATION
    Inventors: Yuming Chen, Michael J. Kirchoff, Robert L. Martin