Patents by Inventor Napoleon Formigoni

Napoleon Formigoni 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).

  • Grooved optical data storage device including a chalcogenide memory layer
    Patent number: 4719594
    Abstract: Disclosed is an optical data storage device having incorporated therein an optical data storage medium. The optical data storage device is switchable between at least two detectable states by the application of projected beam and energy thereto. The optical data storage device has a first substantially transparent substrate with a first polymeric adhesive layer thereon characterized by grooves in the form of lands and valleys, a first inorganic encapsulating layer, a layer of the state changeable chalcogenide memory material, a second inorganic encapsulating layer, an adhesive layer, and a second substantially transparent substrate adherant to the adhesive layer.
    Type: Grant
    Filed: August 26, 1985
    Date of Patent: January 12, 1988
    Assignee: Energy Conversion Devices, Inc.
    Inventors: Rosa Young, Napoleon Formigoni