Patents by Inventor Matthew E Kowalczyk

Matthew E Kowalczyk 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).

  • Image or pictographic based computer login systems and methods
    Patent number: 7953983
    Abstract: Image based login procedures for computer systems include: (a) displaying a first image on a computer screen; (b) receiving user input indicating a portion of the first image; (c) determining if the user input corresponds to a first acceptable user input for user authentication; and (d) proceeding with the authentication procedure when this user input corresponds to the first acceptable user input for user authentication. Additionally or optionally, when proceeding with this authentication procedure, the systems and methods further may include: displaying a second image on the screen; receiving new user input indicating a portion of the second image; and determining if this new input corresponds to a second acceptable user input for user authentication.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: May 31, 2011
    Assignee: Microsoft Corporation
    Inventors: Erik L Holt, Matthew E Kowalczyk, Russell Humphries