Patents by Inventor Kai Yip Leung

Kai Yip Leung 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).

  • System and method for establishing calls
    Patent number: 12720238
    Abstract: An example method includes: receiving, from an initiating device, a call destined for a target account; establishing, at a server, a central call session for the call and connecting the initiating device to the central call session; sending a central call session notification to a target device associated with the target account, the central call session notification to prompt the target device to initiate a request to join the central call session; receiving, from the target device, a response to the central call session notification; and when the response comprises the request to join the central call session, connecting the target device to the central call session to establish the call.
    Type: Grant
    Filed: February 29, 2024
    Date of Patent: August 25, 2026
    Assignee: TEXTNOW, INC.
    Inventor: Kai Yip Leung
  • SYSTEM AND METHOD FOR ESTABLISHING CALLS
    Publication number: 20250280214
    Abstract: An example method includes: receiving, from an initiating device, a call destined for a target account; establishing, at a server, a central call session for the call and connecting the initiating device to the central call session; sending a central call session notification to a target device associated with the target account, the central call session notification to prompt the target device to initiate a request to join the central call session; receiving, from the target device, a response to the central call session notification; and when the response comprises the request to join the central call session, connecting the target device to the central call session to establish the call.
    Type: Application
    Filed: February 29, 2024
    Publication date: September 4, 2025
    Inventor: Kai Yip Leung