Patents by Inventor Hon Ching Yung

Hon Ching Yung 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).

  • Wireless purchase and on-line inventory apparatus and method for vending machines
    Patent number: 7110954
    Abstract: The present invention relates to an apparatus and a method for wireless purchase of merchandise from a vending machine by using a cellular mobile phone. The present invention permits a cellular mobile phone user to dial a sequence of code on the phone to invoke the vending machine to dispense merchandise, where payment is charged to the mobile phone account. The present invention also relates to an apparatus and a method for on-line inventory management. With on-line inventory management, the present invention provides high efficient operation, reduced operation cost, and just-in-time service and merchandise delivery. The present invention further relates to an apparatus and a method that allow both on-line inventory management and wireless purchase of merchandise in a vending machine.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: September 19, 2006
    Assignee: University of Hong Kong
    Inventors: Hon Ching Yung, Kwong Keung Leung, Hon Seng Lai
  • Wireless purchase and on-line inventory apparatus and method for vending machines
    Publication number: 20020128932
    Abstract: The present invention relates to an apparatus and a method for wireless purchase of merchandise from a vending machine by using a cellular mobile phone. The present invention permits a cellular mobile phone user to dial a sequence of code on the phone to invoke the vending machine to dispense merchandise, where payment is charged to the mobile phone account. The present invention also relates to an apparatus and a method for on-line inventory management. With on-line inventory management, the present invention provides high efficient operation, reduced operation cost, and just-in-time service and merchandise delivery. The present invention further relates to an apparatus and a method that allow both on-line inventory management and wireless purchase of merchandise in a vending machine.
    Type: Application
    Filed: March 12, 2001
    Publication date: September 12, 2002
    Inventors: Hon Ching Yung, Kwong Keung Leung, Hon Seng Lai