Inventor · disambiguated record

Andras L. Ferenczi

Also filed as: FERENCZI ANDRAS · FERENCZI ANDRAS L

57 granted patents·39 pending applications·271 citations·filing 2014–2025

98Inventor score

Technology areasH04L G06Q G06F G06N G16H

Files withAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC87 CHANGE HEALTHCARE HOLDINGS LLC4 AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY2 OPTUM INC2 AMERICAN EXPRESS TRAVEL RELATE1

Top patents by PatentIndex Score

96 records

0197US11757640B2Non-fungible token authenticationAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2021·Granted Sep 12, 2023·11 cites·20 claims
0297US10832247B2Systems and methods for blockchain based payment networksAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2016·Granted Nov 10, 2020·29 cites·20 claims
0397US10642967B2Single sign-on solution using blockchainAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2017·Granted May 5, 2020·100 cites·20 claims
0496US12229761B1Non-fungible tokens for payment instrumentsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2021·Granted Feb 18, 2025·5 cites·19 claims
0596US11538019B1Zero-knowledge proof-based virtual cardsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2020·Granted Dec 27, 2022·4 cites·20 claims
0693US12160515B2Non-fungible token authenticationAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Granted Dec 3, 2024·2 cites·20 claims
0793US11151558B2Zero-knowledge proof payments using blockchainAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2018·Granted Oct 19, 2021·12 cites·20 claims
0892US10097663B1Using integrated code to extract device characteristics for online securityAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2017·Granted Oct 9, 2018·28 cites·20 claims
0991US11669841B2Systems and methods for blockchain based payment networksAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2020·Granted Jun 6, 2023·2 cites·21 claims
1091US11410136B2Procurement system using blockchainAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2018·Granted Aug 9, 2022·26 cites·20 claims
1190US11750570B1Decentralized messaging inboxAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2019·Granted Sep 5, 2023·8 cites·20 claims
1290US11449887B2Systems and methods for loyalty point distributionAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2017·Granted Sep 20, 2022·6 cites·20 claims
1390US11146552B1Decentralized application authenticationAMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY·Filed 2019·Granted Oct 12, 2021·6 cites·20 claims
1487US11922278B1Distributed ledger based feature set trackingAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2020·Granted Mar 5, 2024·3 cites·20 claims
1587US11868911B1Distributed ledger based machine-learning model managementAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2020·Granted Jan 9, 2024·3 cites·20 claims
1687US11468439B2Systems and methods for blockchain based proof of paymentAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2017·Granted Oct 11, 2022·4 cites·20 claims
1785US12223500B2Transaction account data maintenance using blockchainAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2022·Granted Feb 11, 2025·1 cites·20 claims
1885US11757877B1Decentralized application authenticationAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2021·Granted Sep 12, 2023·1 cites·20 claims
1984US11757641B2Decentralized data authenticationAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2021·Granted Sep 12, 2023·1 cites·20 claims
2083US10860726B2Peer-to-peer confidential document exchangeAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2018·Granted Dec 8, 2020·3 cites·20 claims
2182US11887112B2Hybrid identity as a service for decentralized browser based walletsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2019·Granted Jan 30, 2024·2 cites·20 claims
2282US10853353B2Blockchain-enabled datasets shared across different database systemsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2018·Granted Dec 1, 2020·5 cites·20 claims
2381US12423696B2Transaction authorization process using blockchainAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2024·Granted Sep 23, 2025·0 cites·20 claims
2480US11693976B2Peer-to-peer confidential document exchangeAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2020·Granted Jul 4, 2023·1 cites·12 claims
2580US11341503B2Deploying a cloud-based system using a distributed ledgerAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2019·Granted May 24, 2022·3 cites·20 claims
2678US12323526B2Decentralized data authenticationAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Granted Jun 3, 2025·0 cites·20 claims
2778US12289310B2Decentralized application authenticationAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Granted Apr 29, 2025·0 cites·20 claims
2878US12099592B2Single sign-on solution using blockchainAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Granted Sep 24, 2024·0 cites·20 claims
2978US11165579B2Decentralized data authenticationAMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY·Filed 2019·Granted Nov 2, 2021·2 cites·20 claims
3077US12340374B2Systems and methods for blockchain based payment networksAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Granted Jun 24, 2025·0 cites·20 claims
3177US12277235B2Peer-to-peer confidential document exchangeAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Granted Apr 15, 2025·0 cites·20 claims
3277US2025232045A1Peer-to-peer confidential document exchangeAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2025·Application pending·0 cites
3375US2025055692A1Non-fungible token authenticationAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2024·Application pending·0 cites
3475US2025015998A1Verified presentation of non-fungible tokensAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2024·Application pending·0 cites
3574US12093948B2Zero-knowledge proof payments using blockchainAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Granted Sep 17, 2024·0 cites·20 claims
3674US11699166B2Multi-merchant loyalty point partnershipAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2018·Granted Jul 11, 2023·1 cites·20 claims
3773US12217252B2Hybrid identity as a service for decentralized browser based walletsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Granted Feb 4, 2025·0 cites·20 claims
3873US11762974B2Single sign-on solution using blockchainAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2022·Granted Sep 19, 2023·0 cites·20 claims
3973US11397962B2Loyalty point distributions using a decentralized loyalty IDAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2019·Granted Jul 26, 2022·1 cites·17 claims
4073US2025322398A1Biometric-based identity verificaton using zero-knowledge proofsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2025·Application pending·0 cites
4172US12361422B2Biometric-based identity verification using zero-knowledge proofsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Granted Jul 15, 2025·0 cites·20 claims
4272US12242938B2Distributed ledger based feature set trackingAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2024·Granted Mar 4, 2025·0 cites·20 claims
4372US11941627B2Transaction authorization process using blockchainAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2022·Granted Mar 26, 2024·0 cites·16 claims
4472US2024273518A1Metaverse authenticationAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2024·Application pending·0 cites
4572US2025190973A1Zero-knowledge proof-based virtual cardsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2025·Application pending·0 cites
4671US12450600B2Systems and methods for blockchain based proof of paymentAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2022·Granted Oct 21, 2025·0 cites·20 claims
4771US12254462B2Zero-knowledge proof-based virtual cardsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2022·Granted Mar 18, 2025·0 cites·20 claims
4871US11748750B2Zero-knowledge proof payments using blockchainAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2021·Granted Sep 5, 2023·0 cites·20 claims
4970US2023401555A1System and method for transaction account based micro-paymentsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Application pending·0 cites
5069US10755267B2Systems and methods for a merchant-specific payment tokenAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2016·Granted Aug 25, 2020·1 cites·20 claims

Showing the top 50 of 96 patent records by PatentIndex Score.

Join the waitlist — get patent alerts

Get an alert when Andras L. Ferenczi files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →