Patents by Inventor Ceco Dushkin

Ceco Dushkin 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: 6337117
    Abstract: An optical memory device comprising a luminous material capable of increasing and/or memorizing a photoluminescence intensity (hereinafter referred to as a “luminous intensity”) as a function of irradiation energy of excitation light. And the luminous material comprises nanoparticles, diameters of which are smaller than Bohr radius of the luminous material so that excitons generated in the nanoparticles undergo quantum containment state in which the electrons and holes are individually contained as a result of irradiation with excitation light.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: January 8, 2002
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shinya Maenosono, Ceco Dushkin, Yukio Yamaguchi, Harumi Asami, Soichiro Saita