Patents by Inventor James Dong

James Dong 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: 20240149538
    Abstract: A method of manufacturing a backed cross-ply prepreg comprises cutting, using a cutting machine, a first continuous length of a unidirectional prepreg into first prepreg segments, each having an opposing pair of segment cut edges that are non-parallel to a lengthwise direction of the unidirectional prepreg. The method also includes picking up, using a pick-and-place system, the first prepreg segments off of the cutting machine, and placing the first prepreg segments in end-to-end relation onto a conveyor belt of an adhesion machine, and in an orientation such that the segment cut edges are generally parallel to a lengthwise direction of the conveyor belt. The method also includes feeding, using the conveyor belt, the first prepreg segments to an adhesion station of the adhesion machine, and adhering, using the adhesion station, the first prepreg segments to a continuous length of a backing material.
    Type: Application
    Filed: January 18, 2024
    Publication date: May 9, 2024
    Inventors: Shuonan Dong, Silas L. Studley, Samuel F. Pedigo, Nathan A. Secinaro, Lukas Wavrin, Kevin Hsu, James Hutchinson, Connor Burch, Nini Hong, Devin Ide, Lucky Singh, Santosh Devasia
  • Patent number: 11919256
    Abstract: A manufacturing system includes a cutting machine, an adhesion machine, and a pick-and-place system. The cutting machine sequentially cuts a continuous length of a unidirectional prepreg into prepreg segments. Each prepreg segment has an opposing pair of segment cut edges that are non-parallel to a lengthwise direction of the unidirectional prepreg. The adhesion machine has a conveyor belt and an adhesion station. The pick-and-place system sequentially picks up the prepreg segments from the cutting machine, and places the prepreg segments in end-to-end relation on the conveyor belt, and in an orientation such that the segment cut edges are generally parallel to a lengthwise direction of the conveyor belt. The conveyor belt feeds the prepreg segments to the adhesion station. The adhesion station adheres the prepreg segments to a continuous length of a backing material, thereby resulting in a continuous length of a backed cross-ply prepreg.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: March 5, 2024
    Assignees: The Boeing Company, University of Washington
    Inventors: Shuonan Dong, Silas L. Studley, Samuel F. Pedigo, Nathan A. Secinaro, Lukas Wavrin, Kevin Hsu, James Hutchinson, Connor Burch, Nini Hong, Devin Ide, Lucky Singh, Santosh Devasia
  • Publication number: 20050154207
    Abstract: A process for by oxidizing a quinacridone in a liquid medium with a non-metal oxidant producing a quinacridonequinone.
    Type: Application
    Filed: January 14, 2004
    Publication date: July 14, 2005
    Inventors: Edward Sung, James Dong, George Robertson
  • Patent number: 6630695
    Abstract: A GaN based three layer buffer structure disposed on a substrate, and having a GaN layer disposed on the three layer buffer structure, the GaN layer serving as a platform for growth of a light emitting structure thereon.
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: October 7, 2003
    Inventors: Changhua Chen, James Dong, Heng Liu
  • Patent number: 6495867
    Abstract: A GaN based three layer buffer on a sapphire substrate provides a template for growth of a high quality I GaN layer as a substitute substrate for growth of a Nitride based LED.
    Type: Grant
    Filed: July 26, 2000
    Date of Patent: December 17, 2002
    Assignee: AXT, Inc.
    Inventors: Changhua Chen, James Dong, Heng Liu
  • Publication number: 20020175337
    Abstract: A GaN based three layer buffer on a sapphire substrate provides a template for growth of a high quality I GaN layer as a substitute substrate for growth of a Nitride based LED.
    Type: Application
    Filed: July 8, 2002
    Publication date: November 28, 2002
    Applicant: AXT, Inc.
    Inventors: Changhua Chen, James Dong, Heng Liu