Patents by Inventor NAOTO NMI HORIGUCHI

NAOTO NMI HORIGUCHI 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: 20020162995
    Abstract: A method and device for converting light from a first wavelength to a second wavelength. The method comprises the steps of exciting an electron in a quantum dot with an incident infrared photon having the first wavelength, the excited electron having a first energy, tunneling the excited electron through a barrier into a stress induced quantum dot, and recombining the excited electron with a hole in the stress induced quantum dot, therein producing a photon having the second wavelength, typically in the visible range.
    Type: Application
    Filed: October 27, 1999
    Publication date: November 7, 2002
    Inventors: PIERRE M. PETROFF, NAOTO NMI HORIGUCHI