Patents by Inventor Pei-feng Hsu

Pei-feng Hsu 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: 6738659
    Abstract: A laser is used to radiate a non-homogeneous body comprising two or more materials, with varying scattering characteristics with reference to the radiation. The ballistic or snake radiation is detected as reflected radiation form incident points in the radiation light path and use to construct data indicative of one or more features of the body such as the interface between two of the varying characteristic materials which are in the radiation light path.
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: May 18, 2004
    Inventor: Pei-feng Hsu
  • Publication number: 20020065469
    Abstract: A laser is used to radiate a non-homogeneous body comprising two or more materials, with varying scattering characteristics with reference to the radiation. The ballistic or snake radiation is detected as reflected radiation form incident points in the radiation light path and use to construct data indicative of one or more features of the body such as the interface between two of the varying characteristic materials which are in the radiation light path.
    Type: Application
    Filed: August 28, 2001
    Publication date: May 30, 2002
    Inventor: Pei-feng Hsu