Patents by Inventor Thomas Schmedake

Thomas Schmedake 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: 20150076412
    Abstract: The invention concerns an article of manufacture that is a manufactured product marked with a microparticle and a method of marking manufactured produces. The microparticle tag includes a predetermined code embedded in its physical structure by refractive index changes between different regions of the particle. The particle has a diameter of a few hundred microns or less and has a plurality of layers.
    Type: Application
    Filed: May 30, 2014
    Publication date: March 19, 2015
    Applicant: The Regents of the University of California
    Inventors: Michael J. Sailor, Thomas Schmedake, Frederique Cunin, Jamie Link
  • Patent number: 8765484
    Abstract: The invention concerns a particle having a code embedded in its physical structure by refractive index changes between different regions of the particle. In preferred embodiments, a thin film possesses porosity that varies in a manner to produce a code detectable in the reflectivity spectrum.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: July 1, 2014
    Assignee: The Regents of the University of California
    Inventors: Michael J. Sailor, Thomas Schmedake, Frederique Cunin, Jamie Link
  • Publication number: 20050042764
    Abstract: The invention concerns a particle having a code embedded in its physical structure by refractive index changes between different regions of the particle. In preferred embodiments, a thin film possesses porosity that varies in a manner to produce a code detectable in the reflectivity spectrum.
    Type: Application
    Filed: January 31, 2003
    Publication date: February 24, 2005
    Inventors: Michael Sailor, Thomas Schmedake