Patents by Inventor Phillip Michael Johnson

Phillip Michael Johnson 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).

  • Access control systems, devices, and methods therefor
    Patent number: 11551496
    Abstract: An access control system includes a verification computing system that stores access rights information and credential proxies received from user devices, receives from a local access control subsystem an input credential and input credential proxy derived therefrom and received from a present user, identifies the access rights information associated with the user according to the input credential proxy and the stored credential proxy, requests and receives a stored credential from the user device of the present user, and compares the stored credential to the input credential to authorize the present user. The access rights information is for each of the users to access spaces with the local access control subsystems. The stored credential proxies are derived from stored credential received by the user devices using an algorithm. The input credential proxies are derived from the input credentials using the algorithm.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: January 10, 2023
    Assignee: PassiveBolt, Inc.
    Inventors: Kabir Maiga, Phillip Michael Johnson, Simon Forster