Patents by Inventor Leonid Elkun

Leonid Elkun 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).

  • Using one-time passwords with single sign-on authentication
    Patent number: 7540022
    Abstract: A method, computer program product, authentication proxy server, and system for enabling a user to use a one-time password in conjunction with single sign-on authentication and external authentication, such as provided by the Kerberos protocol, are provided.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: May 26, 2009
    Assignee: Nokia Corporation
    Inventors: Tirthankar Barari, Leonid Elkun, Elias Zaretsky
  • Using one-time passwords with single sign-on authentication
    Publication number: 20070006291
    Abstract: A method, computer program product, authentication proxy server, and system for enabling a user to use a one-time password in conjunction with single sign-on authentication and external authentication, such as provided by the Kerberos protocol, are provided.
    Type: Application
    Filed: June 30, 2005
    Publication date: January 4, 2007
    Applicant: Nokia Corporation
    Inventors: Tirthankar Barari, Leonid Elkun, Elias Zaretsky