Patents by Inventor Kang-Bin Chua

Kang-Bin Chua 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).

  • Patent number: 9739584
    Abstract: Tracer ammunition is disclosed and includes a projectile having a body; a chamber in the body having a front end and a rear end, the rear end of the chamber being open; an aperture at a rear end of the body providing an opening to the open end of the chamber; and a tracer material disposed within the chamber, wherein the tracer material is configured to combust when ignited and emit optical energy through the aperture as a result of the combustion process. The tracer material may be configured to include a rear-facing surface having a concave contour to aid in directivity of light output from the tracer material.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: August 22, 2017
    Assignee: Physics Optics Corporation
    Inventors: Kang-Bin Chua, Ranjit Pradhan, Jerald A. Cole, Gibum Kim, Joseph Rustick
  • Publication number: 20150308802
    Abstract: Tracer ammunition is disclosed and includes a projectile having a body; a chamber in the body having a front end and a rear end, the rear end of the chamber being open; an aperture at a rear end of the body providing an opening to the open end of the chamber; and a tracer material disposed within the chamber, wherein the tracer material is configured to combust when ignited and emit optical energy through the aperture as a result of the combustion process. The tracer material may be configured to include a rear-facing surface having a concave contour to aid in directivity of light output from the tracer material.
    Type: Application
    Filed: August 4, 2014
    Publication date: October 29, 2015
    Inventors: Kang-Bin Chua, Ranjit Pradhan, Jerald A. Cole, Gibum Kim, Joseph Rustick
  • Patent number: D751167
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: March 8, 2016
    Assignee: Physical Optics Corporation
    Inventors: Kang-Bin Chua, Ranjit Pradhan