Patents by Inventor Hao Ngo

Hao Ngo 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).

  • Patent number: 11062298
    Abstract: Devices, systems, and methods for controlling a contactless interface on a dual interface portable device are provided. The methods allow for contactless enablement and disablement on both a temporary and semi-permanent basis, dependent on commands sent to the device by an issuer of the portable device. The commands are received through a terminal device and are transferred to the portable device during a contact transaction. Configuration data on the portable device is modified according to the received commands. An application on the portable device controls the transmission of data through the contactless interface dependent on the configuration data.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: July 13, 2021
    Assignee: Visa International Service Association
    Inventors: David William Wilson, Omar Rifaat, Hao Ngo
  • Patent number: 11037128
    Abstract: Systems, apparatus, and methods for managing an application installed on a mobile device, such as a mobile phone are provided, so as to prevent or limit unauthorized use of the application, for example, when the mobile device is lost, stolen, or otherwise subject to unauthorized use. A request to enable or disable user access to a function of the application can be received by a server computer. A command message responsive to the request can be generated by the server computer, the command message comprising control data for enabling or disabling user access to the function of the application. The generated command message can be transmitted to the mobile device over a wireless network.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: June 15, 2021
    Assignee: Visa International Service Association
    Inventors: Christian Aabye, Olivier Brand, Michael Lindelsee, Joseph J. Mirizzi, Hao Ngo, Lauren White, David William Wilson
  • Patent number: 11030608
    Abstract: A system, apparatus, and method for processing payment transactions that are conducted using a mobile device that includes a contactless element, such as an integrated circuit chip. An account holder is enabled to generate transaction related data and append that data to a transaction record or transaction identifier. The appended data and transaction record or identifier may be stored in the mobile payment device and/or provided to an Issuer. If provided to an Issuer, the transaction related data generated by the account holder may be used to supplement an account statement. The additional information generated by the account holder may be used to assist the account holder in determining if a transaction is valid by providing information that helps the account holder to recall the location or other aspect of the transaction.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: June 8, 2021
    Assignee: VISA INTERNATIONAL SERVICE ASSOCIATION
    Inventors: Christian Aabye, Hao Ngo, David William Wilson, Guido Mangiagalli
  • Patent number: 10909522
    Abstract: Systems and methods provide for communication of transaction data that is formatted according to a transaction type that is support by an access device. First transaction data may be formatted according to a first type of transaction supported by a first access device and second transaction data may be formatted according to a second type of transaction supported by a second access device. The first transaction data may be transmitted over a first communication link to the first access device and the second transaction data may be transmitted to the second access over a second communication link.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: February 2, 2021
    Assignee: Visa International Service Association
    Inventors: Erick Wong, Christian Flurscheim, Oleg Makhotin, Eduardo Lopez, Sanjeev Sharma, Christopher Jones, Abhishek Guglani, Jarkko Oskari Sevanto, Bharatkumar Patel, Tai Lung Burnnet Or, Christian Aabye, Hao Ngo, John F. Sheets
  • Publication number: 20200382955
    Abstract: A method is disclosed. The method includes receiving, by a user device from an access device, an available applications request message. The available applications request message includes an access device type identifier. The method also includes determining whether an association exists between the access device type identifier and one or more application identifiers of a plurality of application identifiers stored on the user device. The plurality of application identifiers respectively correspond to different applications on the user device. The method also includes transmitting, by the user device, to the access device, based in part on whether the association exists, an available applications response. The available applications response includes the one or more application identifiers of the plurality of application identifiers associated with the access device type identifier.
    Type: Application
    Filed: August 18, 2020
    Publication date: December 3, 2020
    Inventors: Gavin Shenker, Brian Sullivan, Christian Aabye, Hao Ngo
  • Publication number: 20200356975
    Abstract: A system, apparatus, and method for processing payment transactions that are conducted using a mobile device that includes a contactless element, such as an integrated circuit chip. The invention enables the updating, correction or synchronization of transaction data maintained by an Issuer with that stored on the device. This is accomplished by using a wireless (cellular) network as a data communication channel for data provided by an Issuer to the mobile device, and is particularly advantageous in circumstances in which the contactless element is not presently capable of communication with a device reader or point of sale terminal that uses a near field communications mechanism. Data transferred between the mobile device and Issuer may be encrypted and decrypted to provide additional security and protect the data from being accessed by other users or applications.
    Type: Application
    Filed: July 24, 2020
    Publication date: November 12, 2020
    Inventors: Christian Aabye, Hao Ngo, David William Wilson, Gustavo Mariath Zeiden, Chris Pitchford, Kiushan Pirzadeh
  • Patent number: 10791460
    Abstract: A method is disclosed. The method includes receiving, by a user device from an access device, an available applications request message. The available applications request message includes an access device type identifier. The method also includes determining whether an association exists between the access device type identifier and one or more application identifiers of a plurality of application identifiers stored on the user device. The plurality of application identifiers respectively correspond to different applications on the user device. The method also includes transmitting, by the user device, to the access device, based in part on whether the association exists, an available applications response. The available applications response includes the one or more application identifiers of the plurality of application identifiers associated with the access device type identifier.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: September 29, 2020
    Assignee: Visa International Service Association
    Inventors: Gavin Shenker, Brian Sullivan, Christian Aabye, Hao Ngo
  • Patent number: 10769614
    Abstract: A system, apparatus, and method for processing payment transactions that are conducted using a mobile device that includes a contactless element, such as an integrated circuit chip. The invention enables the updating, correction or synchronization of transaction data maintained by an Issuer with that stored on the device. This is accomplished by using a wireless (cellular) network as a data communication channel for data provided by an Issuer to the mobile device, and is particularly advantageous in circumstances in which the contactless element is not presently capable of communication with a device reader or point of sale terminal that uses a near field communications mechanism. Data transferred between the mobile device and Issuer may be encrypted and decrypted to provide additional security and protect the data from being accessed by other users or applications.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: September 8, 2020
    Assignee: Visa International Service Association
    Inventors: Christian Aabye, Hao Ngo, David William Wilson, Gustavo Mariath Zeiden, Chris Pitchford, Kiushan Pirzadeh
  • Publication number: 20200245138
    Abstract: A method is disclosed. The method includes receiving, by a user device from an access device, an available applications request message. The available applications request message includes an access device type identifier. The method also includes determining whether an association exists between the access device type identifier and one or more application identifiers of a plurality of application identifiers stored on the user device. The plurality of application identifiers respectively correspond to different applications on the user device. The method also includes transmitting, by the user device, to the access device, based in part on whether the association exists, an available applications response. The available applications response includes the one or more application identifiers of the plurality of application identifiers associated with the access device type identifier.
    Type: Application
    Filed: January 30, 2019
    Publication date: July 30, 2020
    Inventors: Gavin Shenker, Brian Sullivan, Christian Aabye, Hao Ngo
  • Patent number: 10706402
    Abstract: A system, apparatus, and method for processing payment transactions that are conducted using a mobile device that includes a contactless element, such as an integrated circuit chip. The invention enables the updating, correction or synchronization of transaction data maintained by an Issuer with that stored on the device. This is accomplished by using a wireless (cellular) network as a data communication channel for data provided by an Issuer to the mobile device, and is particularly advantageous in circumstances in which the contactless element is not presently capable of communication with a device reader or point of sale terminal that uses a near field communications mechanism. Data transferred between the mobile device and Issuer may be encrypted and decrypted to provide additional security and protect the data from being accessed by other users or applications.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: July 7, 2020
    Assignee: Visa International Service Association
    Inventors: Christian Aabye, Hao Ngo, David William Wilson, Gustavo Mariath Zeiden, Chris Pitchford, Kiushan Pirzadeh
  • Publication number: 20200204372
    Abstract: Systems and methods are disclosed for securely communicating sensitive data (e.g., interaction data) during a process for offline authentication. A data packet may be received by an access device from a user device in a one-way communication. The data packet may be converted to obtain interaction data comprising a digital certificate certified by the certificate authority and a digital signature value generated by the user device. A second public key associated with the user device may be obtained utilizing the digital certificate and the first public key associated with the certificate authority. The validity of the interaction data may be determined based at least in part on the digital signature value and the second public key associated with the user device. When the interaction data is determined to be valid, an identifier of the interaction data may be authorized and access may be provided based on this authorization.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 25, 2020
    Inventors: Hao NGO, Yuexi CHEN, Thomas BELLENGER
  • Patent number: 10685343
    Abstract: An interface and device architecture for a payment device. An interface between a payment application installed in a payment device and one or more value-add applications (such as loyalty programs, transit applications, etc.) that are also installed in the payment device. The API or interface design permits communications and data transfer between the payment application and one or more value-add applications. This reduces (and in some cases may prevent) the need for back-end server processing of data that may be relevant to both a payment transaction and to a function of the value-add application. Similarly, the same or another API or interface may enable communications and data transfer between a value-add application and the payment application.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: June 16, 2020
    Assignee: Visa International Service Association
    Inventors: Oleg Makhotin, Trudy Hill, Erick Wong, Oleg Makarenko, Hao Ngo, Christian Aabye, William Alexander Thaw
  • Patent number: 10664824
    Abstract: Techniques for enhancing the security of a communication device when conducting a transaction using the communication device may include receiving a cryptogram generation key replenishment request that includes transaction log information derived from transaction data stored in a transaction log on a communication device, verifying that the transaction log information in the replenishment request is consistent with the previously received transaction information, and providing a new cryptogram generation key to the communication device in response to verifying the transaction log information in the replenishment request.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: May 26, 2020
    Assignee: Visa International Service Association
    Inventors: Erick Wong, Christian Flurscheim, Oleg Makhotin, Eduardo Lopez, Sanjeev Sharma, Christopher Jones, Abhishek Guglani, Jarkko Oskari Sevanto, Bharatkumar Patel, Tai Lung Burnnet Or, Christian Aabye, Hao Ngo, John F. Sheets
  • Publication number: 20190362341
    Abstract: A method is disclosed. The method includes generating, by a communication device during an interaction with an access device, a cryptogram using transaction level data and interoperability level data; transmitting the transaction level data and interoperability level data to the access device; and transmitting the cryptogram the access device, wherein the access device or a remote server computer in communication with the access device validates the received cryptogram before allowing the transaction to proceed.
    Type: Application
    Filed: January 17, 2018
    Publication date: November 28, 2019
    Inventors: Yuexi Chen, Marc Kekicheff, Mustafa Top, Hao Ngo
  • Publication number: 20190295063
    Abstract: Systems and methods provide for communication of transaction data that is formatted according to a transaction type that is support by an access device. First transaction data may be formatted according to a first type of transaction supported by a first access device and second transaction data may be formatted according to a second type of transaction supported by a second access device. The first transaction data may be transmitted over a first communication link to the first access device and the second transaction data may be transmitted to the second access over a second communication link.
    Type: Application
    Filed: June 11, 2019
    Publication date: September 26, 2019
    Inventors: Erick Wong, Christian Flurscheim, Oleg Makhotin, Eduardo Lopez, Sanjeev Sharma, Christopher Jones, Abhishek Guglani, Jarkko Oskari Sevanto, Bharatkumar Patel, Tai Lung Burnnet Or, Christian Aabye, Hao Ngo, John F. Sheets
  • Publication number: 20190279188
    Abstract: A system, apparatus, and method for processing payment transactions that are conducted using a mobile device that includes a contactless element, such as an integrated circuit chip. An account holder is enabled to generate transaction related data and append that data to a transaction record or transaction identifier. The appended data and transaction record or identifier may be stored in the mobile payment device and/or provided to an Issuer. If provided to an Issuer, the transaction related data generated by the account holder may be used to supplement an account statement. The additional information generated by the account holder may be used to assist the account holder in determining if a transaction is valid by providing information that helps the account holder to recall the location or other aspect of the transaction.
    Type: Application
    Filed: May 30, 2019
    Publication date: September 12, 2019
    Inventors: Christian Aabye, Hao Ngo, David William Wilson, Guido Mangiagalli
  • Patent number: 10402814
    Abstract: Systems and methods provide for communication of transaction data that is formatted according to a transaction type that is support by an access device. First transaction data may be formatted according to a first type of transaction supported by a first access device and second transaction data may be formatted according to a second type of transaction supported by a second access device. The first transaction data may be transmitted over a first wireless communication link to the first access device and the second transaction data may be transmitted to the second access over a second wireless communication link.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: September 3, 2019
    Assignee: Visa International Service Association
    Inventors: Erick Wong, Christian Flurscheim, Oleg Makhotin, Eduardo Lopez, Sanjeev Sharma, Christopher Jones, Abhishek Guglani, Jarkko Oskari Sevanto, Bharatkumar Patel, Tai Lung Burnnet Or, Christian Aabye, Hao Ngo, John F. Sheets
  • Patent number: 10332094
    Abstract: A system, apparatus, and method for processing payment transactions that are conducted using a mobile device that includes a contactless element, such as an integrated circuit chip. An account holder is enabled to generate transaction related data and append that data to a transaction record or transaction identifier. The appended data and transaction record or identifier may be stored in the mobile payment device and/or provided to an Issuer. If provided to an Issuer, the transaction related data generated by the account holder may be used to supplement an account statement. The additional information generated by the account holder may be used to assist the account holder in determining if a transaction is valid by providing information that helps the account holder to recall the location or other aspect of the transaction.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: June 25, 2019
    Assignee: Visa International Service Association
    Inventors: Christian Aabye, Hao Ngo, David William Wilson, Guido Mangiagalli
  • Publication number: 20190122210
    Abstract: Embodiments of the present invention are directed to systems and methods for providing a central entity that can provision mobile payment applications on mobile communication devices and personalize the mobile payment applications with consumer and account information. The personalization of the mobile payment application on the mobile communication device may include provisioning a payment account on the mobile payment application. The central entity may provision the account on the mobile payment application without interacting with the issuer during the provisioning of the account. The central entity may provision the account on the mobile communication device by decrypting, using a secure element key, encrypted payment account information received from the mobile communication device. The payment account information may be encrypted by a secure element of the mobile communication device using the same secure element key.
    Type: Application
    Filed: December 13, 2018
    Publication date: April 25, 2019
    Inventors: Oleg Makhotin, Hao Ngo, Christian Aabye, Kiushan Pirzadeh
  • Publication number: 20190095904
    Abstract: Devices, systems, and methods for controlling a contactless interface on a dual interface portable device are provided. The methods allow for contactless enablement and disablement on both a temporary and semi-permanent basis, dependent on commands sent to the device by an issuer of the portable device. The commands are received through a terminal device and are transferred to the portable device during a contact transaction. Configuration data on the portable device is modified according to the received commands. An application on the portable device controls the transmission of data through the contactless interface dependent on the configuration data.
    Type: Application
    Filed: November 30, 2018
    Publication date: March 28, 2019
    Inventors: David William Wilson, Omar Rifaat, Hao Ngo