Patents by Inventor John Wittrock

John Wittrock 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).

  • Methods, systems, and media for recovering identity information in verifiable claims-based systems
    Patent number: 11811742
    Abstract: Methods, systems, and media for recovering identity information in verifiable claims-based systems are provided.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: November 7, 2023
    Assignee: Google LLC
    Inventors: David Stein, John Wittrock
  • Methods, Systems, And Media For Secure Authentication Of Users Based On A Biometric Identifier And Knowledge-Based Secondary Information
    Publication number: 20230318838
    Abstract: Methods, systems, and media for secure authentication of users using one or more biometric recognition systems are provided. In some embodiments, the method comprises: receiving an indication that a biometric identifier is to be used to authenticate a user to a service; receiving (i) the biometric identifier of the user from a capture device and (ii) knowledge-based secondary information associated with the user from an input device; determining a Voronoi cell identifier that corresponds to the biometric identifier; calculating a hash of the Voronoi cell identifier and the knowledge-based secondary information; transmitting the hash to a server device for verification; in response to transmitting the hash to the server device, receiving a response indicating whether the hash matches a previously stored hash that was stored in the server device; and determining whether to automatically authenticate the user to the service based on the response from the server device.
    Type: Application
    Filed: June 5, 2023
    Publication date: October 5, 2023
    Inventors: David Stein, Ryan Vilim, John Wittrock
  • Secure Methods, Systems, And Media For Generating And Verifying User Credentials
    Publication number: 20230283606
    Abstract: Secure methods, systems, and media for generating and verifying user credentials are provided. In some embodiments, the method comprises: receiving, from a user device, a request for access to a service that requires valid user credentials; determining an aspect of the user credentials that is to be satisfied to grant access to the requested service; transmitting, to the user device, a request for information related to the aspect of the user credential; receiving, from the user device, information related to the aspect of the user credential, wherein the information has been signed using a key associated with the user device; verifying the key used to sign the information by the user device; in response to verifying the key used to sign the information, determining whether the aspect of the user credential has been satisfied based on the received information; and, in response to determining that the aspect of the user credential has been satisfied, granting access to the service.
    Type: Application
    Filed: April 10, 2023
    Publication date: September 7, 2023
    Inventors: John Wittrock, David Stein
  • Methods, systems, and media for secure authentication of users based on a biometric identifier and knowledge-based secondary information
    Patent number: 11711215
    Abstract: Methods, systems, and media for secure authentication of users using one or more biometric recognition systems are provided. In some embodiments, the method comprises: receiving an indication that a biometric identifier is to be used to authenticate a user to a service; receiving (i) the biometric identifier of the user from a capture device and (ii) knowledge-based secondary information associated with the user from an input device; determining a Voronoi cell identifier that corresponds to the biometric identifier; calculating a hash of the Voronoi cell identifier and the knowledge-based secondary information; transmitting the hash to a server device for verification; in response to transmitting the hash to the server device, receiving a response indicating whether the hash matches a previously stored hash that was stored in the server device; and determining whether to automatically authenticate the user to the service based on the response from the server device.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: July 25, 2023
    Assignee: Google LLC
    Inventors: David Stein, Ryan Vilim, John Wittrock
  • Secure methods, systems, and media for generating and verifying user credentials
    Patent number: 11652819
    Abstract: Secure methods, systems, and media for generating and verifying user credentials are provided. In some embodiments, the method comprises: receiving, from a user device, a request for access to a service that requires valid user credentials; determining an aspect of the user credentials that is to be satisfied to grant access to the requested service; transmitting, to the user device, a request for information related to the aspect of the user credential; receiving, from the user device, information related to the aspect of the user credential, wherein the information has been signed using a key associated with the user device; verifying the key used to sign the information by the user device; in response to verifying the key used to sign the information, determining whether the aspect of the user credential has been satisfied based on the received information; and, in response to determining that the aspect of the user credential has been satisfied, granting access to the service.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: May 16, 2023
    Assignee: Google LLC
    Inventors: John Wittrock, David Stein
  • IDENTITY SYSTEMS, METHODS, AND MEDIA FOR AUDITING AND NOTIFYING USERS CONCERNING VERIFIABLE CLAIMS
    Publication number: 20210399888
    Abstract: Identity systems, methods, and media for auditing and notifying users concerning verifiable claims are provided.
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Inventors: David Stein, John Wittrock
  • METHODS, SYSTEMS, AND MEDIA FOR RECOVERING IDENTITY INFORMATION IN VERIFIABLE CLAIMS-BASED SYSTEMS
    Publication number: 20210392126
    Abstract: Methods, systems, and media for recovering identity information in verifiable claims-based systems are provided.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 16, 2021
    Inventors: David Stein, John Wittrock
  • Identity systems, methods, and media for auditing and notifying users concerning verifiable claims
    Patent number: 11115207
    Abstract: Identity systems, methods, and media for auditing and notifying users concerning verifiable claims are provided.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: September 7, 2021
    Assignee: Sidewalk Labs LLC
    Inventors: David Stein, John Wittrock
  • Methods, systems, and media for recovering identity information in verifiable claims-based systems
    Patent number: 11108760
    Abstract: Methods, systems, and media for recovering identity information in verifiable claims-based systems are provided.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: August 31, 2021
    Assignee: Sidewalk Labs LLC
    Inventors: David Stein, John Wittrock
  • METHODS, SYSTEMS, AND MEDIA FOR SECURE AUTHENTICATION OF USERS USING ONE OR MORE BIOMETRIC RECOGNITION SYSTEMS
    Publication number: 20210019385
    Abstract: Methods, systems, and media for secure authentication of users using one or more biometric recognition systems are provided. In some embodiments, the method comprises: receiving an indication that a biometric identifier is to be used to authenticate a user to a service; receiving (i) the biometric identifier of the user from a capture device and (ii) knowledge-based secondary information associated with the user from an input device; determining a Voronoi cell identifier that corresponds to the biometric identifier; calculating a hash of the Voronoi cell identifier and the knowledge-based secondary information; transmitting the hash to a server device for verification; in response to transmitting the hash to the server device, receiving a response indicating whether the hash matches a previously stored hash that was stored in the server device; and determining whether to automatically authenticate the user to the service based on the response from the server device.
    Type: Application
    Filed: July 16, 2020
    Publication date: January 21, 2021
    Inventors: David Stein, Ryan Vilim, John Wittrock
  • METHODS, SYSTEMS, AND MEDIA FOR RECOVERING IDENTITY INFORMATION IN VERIFIABLE CLAIMS-BASED SYSTEMS
    Publication number: 20200186511
    Abstract: Methods, systems, and media for recovering identity information in verifiable claims-based systems are provided.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 11, 2020
    Inventors: David Stein, John Wittrock
  • IDENTITY SYSTEMS, METHODS, AND MEDIA FOR AUDITING AND NOTIFYING USERS CONCERNING VERIFIABLE CLAIMS
    Publication number: 20200186341
    Abstract: Identity systems, methods, and media for auditing and notifying users concerning verifiable claims are provided.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 11, 2020
    Inventors: David Stein, John Wittrock
  • SECURE METHODS, SYSTEMS, AND MEDIA FOR GENERATING AND VERIFYING USER CREDENTIALS
    Publication number: 20200021588
    Abstract: Secure methods, systems, and media for generating and verifying user credentials are provided. In some embodiments, the method comprises: receiving, from a user device, a request for access to a service that requires valid user credentials; determining an aspect of the user credentials that is to be satisfied to grant access to the requested service; transmitting, to the user device, a request for information related to the aspect of the user credential; receiving, from the user device, information related to the aspect of the user credential, wherein the information has been signed using a key associated with the user device; verifying the key used to sign the information by the user device; in response to verifying the key used to sign the information, determining whether the aspect of the user credential has been satisfied based on the received information; and, in response to determining that the aspect of the user credential has been satisfied, granting access to the service.
    Type: Application
    Filed: July 16, 2019
    Publication date: January 16, 2020
    Inventors: John Wittrock, David Stein
  • Head for a golf club
    Patent number: D357521
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: April 18, 1995
    Inventor: John Wittrock