Patents by Inventor Kirill Butin

Kirill Butin 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).

  • User credentials
    Patent number: 9979723
    Abstract: Obtaining and/or validating user credentials at client devices is described. A phrase may be generated based on one or more index values determined according to a function of time and a credential identifier identifying a user credential. The phrase may be output by the client device for validating the user credential.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: May 22, 2018
    Assignee: MicroStrategy Incorporated
    Inventors: Michael J. Saylor, Gang Chen, Kirill Butin, Roman Zolin, Hector Vazquez
  • Generation and validation of user credentials having multiple representations
    Patent number: 9860246
    Abstract: Obtaining and/or validating user credentials at client devices is described. This disclosure describes methods of generating representations of credentials for groups of users or for individuals. Representations for these credentials can be managed by a server or collection of servers, and distributed to appropriate users' client devices. These representations can then be outputted for evaluation by a credential authority, who confirms that the credential possessed by a given user is valid. A credential authority may be a person and/or a device that validates a credential.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: January 2, 2018
    Assignee: MicroStrategy Incorporated
    Inventors: Michael J. Saylor, Gang Chen, Hector Vazquez, Kirill Butin, Roman Zolin