Patents by Inventor Sherk L. Walker

Sherk L. Walker 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).

  • DYNAMIC PASSWORD-LESS USER VERIFICATION
    Publication number: 20160142909
    Abstract: A method, system, and computer program product for dynamic password-less user verification in a mobile device are provided in the illustrative embodiments. Using a processor and a memory in the mobile device, a first portion of a call log stored in the mobile device is selected. Using a transformation function, a first transformed value corresponding to the first portion is obtained. A second portion of a call log stored in a repository of a service provider is obtained from the service provider, the service provider facilitating voice communications from the mobile device, and the second portion corresponding to the first portion. Using the transformation function, a second transformed value corresponding to the second portion is obtained. Responsive to the first transformed value matching the second transformed value within a tolerance limit, a conclusion is generated that the user verification is successful.
    Type: Application
    Filed: November 13, 2014
    Publication date: May 19, 2016
    Inventors: Corville O. Allen, Ramakrishna Boggarapu, Ravi K. Muthukrishnan, Nataraj Nagaratnam, Sherk L. Walker
  • Dynamic password-less user verification
    Patent number: 9338652
    Abstract: A method, system, and computer program product for dynamic password-less user verification in a mobile device are provided in the illustrative embodiments. Using a processor and a memory in the mobile device, a first portion of a call log stored in the mobile device is selected. Using a transformation function, a first transformed value corresponding to the first portion is obtained. A second portion of a call log stored in a repository of a service provider is obtained from the service provider, the service provider facilitating voice communications from the mobile device, and the second portion corresponding to the first portion. Using the transformation function, a second transformed value corresponding to the second portion is obtained. Responsive to the first transformed value matching the second transformed value within a tolerance limit, a conclusion is generated that the user verification is successful.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: May 10, 2016
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Corville O. Allen, Ramakrishna Boggarapu, Ravi K. Muthukrishnan, Nataraj Nagaratnam, Sherk L. Walker