Patents by Inventor Sergio Fleres

Sergio Fleres 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).

  • Bipolar power semiconductor device and process for its manufacture
    Patent number: 5032887
    Abstract: A bipolar power semiconductor device, particularly a transistor, of structure formed by a matrix array of cells operating as emitter regions, comprises two separated and superposed layers of metal, one for the base and one for the emitter, separated by a layer of polyimide, as an intermediate dielectrtic.
    Type: Grant
    Filed: April 28, 1989
    Date of Patent: July 16, 1991
    Assignee: SGS-Thomson Microelectronics s.r.l.
    Inventors: Carmelo Oliveri, Alfonso Patti, Sergio Fleres