Patents by Inventor Dung Nguen

Dung Nguen 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).

  • Charge emitting print head for image forming systems
    Patent number: 6504557
    Abstract: A print head suitable for use in an image forming system is provided having a pair of electrode layers separated by an isolating structure that includes a semiconductor. The presence of the semiconductor, such as a semiconductor layer, extends the life of the print head by reducing degradation of the print head.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: January 7, 2003
    Assignee: Xerox Corporation
    Inventors: Alexander A. Kosyachkov, Igor Kubelik, Lech Jedral, Dung Nguen, Rossitza Ivanova
  • CHARGE EMITTING PRINT HEAD FOR IMAGE FORMING SYSTEMS
    Publication number: 20020180858
    Abstract: A print head suitable for use in an image forming system is provided having a pair of electrode layers separated by an isolating structure that includes a semiconductor. The presence of the semiconductor, such as a semiconductor layer, extends the life of the print head by reducing degradation of the print head.
    Type: Application
    Filed: May 29, 2001
    Publication date: December 5, 2002
    Applicant: Xerox Corporation
    Inventors: Alexander A. Kosyachkov, Igor Kubelik, Lech Jedral, Dung Nguen, Rossitza Ivanova