Patents by Inventor Hagen Langhuth

Hagen Langhuth 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).

  • Method For Security Purposes
    Publication number: 20120168506
    Abstract: A method for security purposes is disclosed, in which a challenge signal is applied to a physical object and a response signal is received from the physical object. The response signal comprises a plurality of characteristic resonant optical mode or a characteristic of the response signal is determined based on a spatial resolution of at least two frequency components of the response signal that is affected by luminescence effect.
    Type: Application
    Filed: September 30, 2011
    Publication date: July 5, 2012
    Inventors: Ulrich Ruehrmair, Martin Stutzmann, Jonathan Finley, Christian Jirauschek, Gyoergy Csaba, Paolo Lugli, Erwin Biebl, Roland Dietmueller, Kai Mueller, Hagen Langhuth