Patents by Inventor William Chon

William Chon 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).

  • Publication number: 20250341397
    Abstract: Techniques are provided for determining and updating locations in databases for providing to transport user devices to facilitate picking up (retrieving) an item and delivery. Location points (e.g., for retrieval or delivery) can be measured by transporter devices when an item is retrieved, and a central value can be determined from the measured location points. The central value can be used to update a pin location in a database for a destination, e.g., when more paths by the transport user devices cross a boundary (geofence) around then central value than a boundary around an existing pin location.
    Type: Application
    Filed: July 15, 2025
    Publication date: November 6, 2025
    Applicant: DoorDash, Inc.
    Inventors: William Chon, Michelle Ma, Aniket Patil, Li Peng
  • Patent number: 12411015
    Abstract: Techniques are provided for determining and updating locations in databases for providing to transport user devices to facilitate picking up (retrieving) an item and delivery. Location points (e.g., for retrieval or delivery) can be measured by transporter devices when an item is retrieved, and a central value can be determined from the measured location points. The central value can be used to update a pin location in a database for a destination, e.g., when more paths by the transport user devices cross a boundary (geofence) around then central value than a boundary around an existing pin location.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: September 9, 2025
    Assignee: DOORDASH, INC.
    Inventors: William Chon, Michelle Ma, Aniket Patil, Li Peng
  • Publication number: 20220404157
    Abstract: Techniques are provided for determining and updating locations in databases for providing to transport user devices to facilitate picking up (retrieving) an item and delivery. Location points (e.g., for retrieval or delivery) can be measured by transporter devices when an item is retrieved, and a central value can be determined from the measured location points. The central value can be used to update a pin location in a database for a destination, e.g., when more paths by the transport user devices cross a boundary (geofence) around then central value than a boundary around an existing pin location.
    Type: Application
    Filed: June 17, 2022
    Publication date: December 22, 2022
    Inventors: William Chon, Michelle Ma, Aniket Patil, Li Peng