P

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 patents
US11587071B2Feb 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 patents