Inventor · disambiguated record
Vishnuvajhala Subrahmanyam
Also filed as: SUBRAHMANYAM VISHNUVAJHALA V · SUBRAHMANYAM VISHNUVAJHALA VENKATA · Subrahmanyam Vishnuvajhala
11 granted patents·2 pending applications·70 citations·filing 2016–2023
87Inventor score
Top patents by PatentIndex Score
13 records- 0197US10832247B2Systems and methods for blockchain based payment networksAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2016·Granted Nov 10, 2020·29 cites·20 claims
- 0292US10097663B1Using 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
- 0391US11669841B2Systems and methods for blockchain based payment networksAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2020·Granted Jun 6, 2023·2 cites·21 claims
- 0490US11449887B2Systems and methods for loyalty point distributionAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2017·Granted Sep 20, 2022·6 cites·20 claims
- 0587US11468439B2Systems and methods for blockchain based proof of paymentAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2017·Granted Oct 11, 2022·4 cites·20 claims
- 0677US12340374B2Systems and methods for blockchain based payment networksAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Granted Jun 24, 2025·0 cites·20 claims
- 0771US12450600B2Systems and methods for blockchain based proof of paymentAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2022·Granted Oct 21, 2025·0 cites·20 claims
- 0870US2023401555A1System and method for transaction account based micro-paymentsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2023·Application pending·0 cites
- 0969US10755267B2Systems and methods for a merchant-specific payment tokenAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2016·Granted Aug 25, 2020·1 cites·20 claims
- 1062US12229794B2Systems and methods for loyalty point distributionAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2022·Granted Feb 18, 2025·0 cites·15 claims
- 1151US10721324B2Transaction authorizations using device characteristicsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2018·Granted Jul 21, 2020·0 cites·20 claims
- 1251US2020042971A1System and method for transaction account based micro-paymentsAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2018·Application pending·0 cites
- 1345US12288203B2Systems and methods for an electronic wallet payment toolAMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC·Filed 2016·Granted Apr 29, 2025·0 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when Vishnuvajhala Subrahmanyam 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 →