Patents by Inventor Thomas Walters Drew

Thomas Walters Drew 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: 7890998
    Abstract: A system, method, and program product is provided that provides authentication on a per-role basis in a Role-Based Access Control (RBAC) environment. When a user attempts to acquire a role, the improved RBAC system determines whether (a) no authentication is required (e.g., for a non-sensitive role such as accessing a company's product catalog), (b) a user-based authentication (e.g., password) is required, or (c) a role-based authentication (e.g., role-specific password is required).
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: February 15, 2011
    Assignee: International Business Machines Corporation
    Inventors: Yantian Tom Lu, Thomas Walters Drew
  • Publication number: 20090007249
    Abstract: A system, method, and program product is provided that provides authentication on a per-role basis in a Role-Based Access Control (RBAC) environment. When a user attempts to acquire a role, the improved RBAC system determines whether (a) no authentication is required (e.g., for a non-sensitive role such as accessing a company's product catalog), (b) a user-based authentication (e.g., password) is required, or (c) a role-based authentication (e.g., role-specific password is required).
    Type: Application
    Filed: June 29, 2007
    Publication date: January 1, 2009
    Inventors: Yantian Tom Lu, Thomas Walters Drew