Patents by Inventor Ashok Frank Mayadas

Ashok Frank Mayadas 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: 4024489
    Abstract: A magnetoresistive permalloy film is deposited upon a substrate and coated with a separating layer composed of titanium or a similar high resistivity, conductive material. A soft biasing layer of a material such as permalloy or a hard biasing material such as cobalt chromium is deposited upon the separating layer to complete a sandwich. All layers are coextensive in outline because their outlines are formed by a single etching step.
    Type: Grant
    Filed: November 18, 1975
    Date of Patent: May 17, 1977
    Assignee: International Business Machines Corporation
    Inventors: Christopher Henry Bajorek, Robert Douglas Hempstead, Sol Krongelb, Ashok Frank Mayadas