Inventor
HUANG DONGHAO
SG25 patents
⚠️ This page may combine multiple inventors who share the name “HUANG DONGHAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MASTERCARD ASIA PACIFIC PTE LTD
20 patentsUS11587071B2Feb 21, 2023
Method and system for merchant acceptance of cryptocurrency via payment rails
MASTERCARD ASIA PACIFIC PTE LTD12 citations84
US11238423B2Feb 1, 2022
Method and system for device micropayment aggregation based on tangle network
MASTERCARD ASIA PACIFIC PTE LTD2 citations72
US12118537B2Oct 15, 2024
Method and system for merchant acceptance of cryptocurrency via payment rails
MASTERCARD ASIA PACIFIC PTE LTD2 citations71
US10535034B2Jan 14, 2020
Item delivery management systems and methods
MASTERCARD ASIA PACIFIC PTE LTD3 citations71
US10482499B2Nov 19, 2019
Method for conducting a transaction
MASTERCARD ASIA PACIFIC PTE LTD3 citations68
US11615406B2Mar 28, 2023
Method and system for providing a service at a self-service machine
MASTERCARD ASIA PACIFIC PTE LTD4 citations67
US12086802B2Sep 10, 2024
Method and system for mediated cross ledger stable coin atomic swaps using hashlocks
MASTERCARD ASIA PACIFIC PTE LTD0 citations58
US11748749B2Sep 5, 2023
Method and system for mediated cross ledger stable coin atomic swaps using hashlocks
MASTERCARD ASIA PACIFIC PTE LTD0 citations58
US10396998B2Aug 27, 2019
Method for dynamic authentication of an object
MASTERCARD ASIA PACIFIC PTE LTD1 citations54
US11954662B2Apr 9, 2024
Method and system for QR code originated vending
MASTERCARD ASIA PACIFIC PTE LTD0 citations52
US11783309B2Oct 10, 2023
Electronic system and computerized method for controlling operation of service devices
MASTERCARD ASIA PACIFIC PTE LTD0 citations50
US12217246B2Feb 4, 2025
Method and system for use of an EMV card in a multi-signature wallet for cryptocurrency transactions
MASTERCARD ASIA PACIFIC PTE LTD0 citations48
US11715100B2Aug 1, 2023
Electronic system and computerized method for verification of transacting parties to process transactions
MASTERCARD ASIA PACIFIC PTE LTD0 citations47
US11044251B2Jun 22, 2021
Method and system for authentication via audio transmission
MASTERCARD ASIA PACIFIC PTE LTD0 citations46
US12536538B2Jan 27, 2026
Method and system for payment device-based access
MASTERCARD ASIA PACIFIC PTE LTD0 citations45
US11379792B2Jul 5, 2022
Inventory management server
MASTERCARD ASIA PACIFIC PTE LTD0 citations44
US12555106B2Feb 17, 2026
Digitization of payment cards for Web 3.0 and metaverse transactions
MASTERCARD ASIA PACIFIC PTE LTD0 citations41
US12417452B2Sep 16, 2025
Smart chip payment acceptance
MASTERCARD ASIA PACIFIC PTE LTD0 citations41
US10380670B2Aug 13, 2019
Method, medium, and system for facilitating user identification of a product
MASTERCARD ASIA PACIFIC PTE LTD0 citations37
US10803445B2Oct 13, 2020
System and method of conducting an authentication transaction
MASTERCARD ASIA PACIFIC PTE LTD0 citations32
MASTERCARD INTERNATIONAL INC
5 patentsUS8712914B2Apr 29, 2014
Method and system for facilitating micropayments in a financial transaction system
MASTERCARD INTERNATIONAL INC75 citations96
US10423949B2Sep 24, 2019
Vending machine transactions
MASTERCARD INTERNATIONAL INC46 citations93
US10083427B2Sep 25, 2018
Method for receiving an electronic receipt of an electronic payment transaction into a mobile device
MASTERCARD INTERNATIONAL INC32 citations93
US11640601B2May 2, 2023
Method and system for regulation of blockchain transactions
MASTERCARD INTERNATIONAL INC2 citations70
US12229752B2Feb 18, 2025
Method and system for regulation of blockchain transactions
MASTERCARD INTERNATIONAL INC0 citations59