Patents by Inventor Mark P. Niemczyk

Mark P. Niemczyk 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).

  • Organic solid state switches incorporating porphyrin compounds and method for producing organic solid state optical switches
    Patent number: 5539100
    Abstract: A light-intensity dependent molecular switch comprised of a compound which shuttles an electron or a plurality of electrons from a plurality of electron donors to an electron acceptor upon being stimulated with light of predetermined wavelengths, said donors selected from porphyrins and other compounds, and a method for making said compound.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: July 23, 1996
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Michael R. Wasielewski, George L. Gaines, Mark P. Niemczyk, Douglas G. Johnson, David J. Gosztola, Michael P. O'Neil