Inventor · disambiguated record
Hao Ngo
Also filed as: NGO HAO · NGO HAO T
45 granted patents·7 pending applications·363 citations·filing 2009–2024
98Inventor score
Top patents by PatentIndex Score
52 records- 0197US9286604B2Over the air management of payment application installed in mobile deviceAABYE CHRISTIAN·Filed 2009·Granted Mar 15, 2016·114 cites·4 claims
- 0296US10664824B2Cloud-based transactions methods and systemsVISA INT SERVICE ASS·Filed 2018·Granted May 26, 2020·22 cites·18 claims
- 0396US10402814B2Cloud-based transactions methods and systemsVISA INT SERVICE ASS·Filed 2016·Granted Sep 3, 2019·18 cites·20 claims
- 0496US9972005B2Cloud-based transactions methods and systemsVISA INT SERVICE ASS·Filed 2014·Granted May 15, 2018·51 cites·24 claims
- 0595US12160516B2Techniques for securely performing offline authenticationVISA INT SERVICE ASS·Filed 2022·Granted Dec 3, 2024·4 cites·18 claims
- 0694US8977567B2Recordation of electronic payment transaction informationAABYE CHRISTIAN·Filed 2009·Granted Mar 10, 2015·36 cites·22 claims
- 0793US10103781B2Contactless data exchange between mobile devices and readers involving value information not necessary to perform a transactionVISA INT SERVICE ASS·Filed 2016·Granted Oct 16, 2018·9 cites·18 claims
- 0892US11785449B2Secure on-demand ultra-wideband communication channels systems and methodsVISA INT SERVICE ASS·Filed 2021·Granted Oct 10, 2023·3 cites·15 claims
- 0992US9672508B2Over the air update of payment transaction data stored in secure memoryVISA INT SERVICE ASS·Filed 2012·Granted Jun 6, 2017·16 cites·20 claims
- 1092US8321345B2Trusted internal interfaceMAKHOTIN OLEG·Filed 2011·Granted Nov 27, 2012·18 cites·13 claims
- 1190US11030608B2Recordation of electronic payment transaction informationVISA INT SERVICE ASS·Filed 2019·Granted Jun 8, 2021·3 cites·20 claims
- 1290US10909522B2Cloud-based transactions methods and systemsVISA INT SERVICE ASS·Filed 2019·Granted Feb 2, 2021·5 cites·20 claims
- 1390US10223694B2Mobile payment application provisioning and personalization on a mobile deviceVISA INT SERVICE ASS·Filed 2014·Granted Mar 5, 2019·9 cites·17 claims
- 1490US2025045721A1Method of performing transactions with contactless payment devices using pre-tap and two-tap operationsVISA INT SERVICE ASS·Filed 2024·Application pending·0 cites
- 1587US10332094B2Recordation of electronic payment transaction informationAABYE CHRISTIAN·Filed 2015·Granted Jun 25, 2019·3 cites·20 claims
- 1686US11501274B2Over the air update of payment transaction data stored in secure memoryVISA INT SERVICE ASS·Filed 2017·Granted Nov 15, 2022·2 cites·17 claims
- 1785US9824355B2Method of performing transactions with contactless payment devices using pre-tap and two-tap operationsAABYE CHRISTIAN·Filed 2009·Granted Nov 21, 2017·13 cites·17 claims
- 1884US10037523B2Over the air update of payment transaction data stored in secure memoryVISA INT SERVICE ASS·Filed 2012·Granted Jul 31, 2018·5 cites·23 claims
- 1984US8320962B2Contactless disablementWILSON DAVE WILLIAM·Filed 2010·Granted Nov 27, 2012·8 cites·8 claims
- 2083US11164176B2Limited-use keys and cryptogramsVISA INT SERVICE ASS·Filed 2014·Granted Nov 2, 2021·4 cites·24 claims
- 2183US10769614B2Over the air update of payment transaction data stored in secure memoryVISA INT SERVICE ASS·Filed 2018·Granted Sep 8, 2020·1 cites·20 claims
- 2283US9846873B2Trusted internal interfaceVISA INT SERVICE ASS·Filed 2015·Granted Dec 19, 2017·2 cites·20 claims
- 2382US9160416B2Contactless disablementVISA INT SERVICE ASS·Filed 2012·Granted Oct 13, 2015·3 cites·20 claims
- 2481US9092769B2Trusted internal interfaceMAKHOTIN OLEG·Filed 2012·Granted Jul 28, 2015·3 cites·11 claims
- 2580US11394721B2Binding cryptogram with protocol characteristicsVISA INT SERVICE ASS·Filed 2018·Granted Jul 19, 2022·3 cites·18 claims
- 2680US10706402B2Over the air update of payment transaction data stored in secure memoryAABYE CHRISTIAN·Filed 2009·Granted Jul 7, 2020·6 cites·22 claims
- 2779US12086777B2Method of performing transactions with contactless payment devices using pre-tap and two-tap operationsVISA INT SERVICE ASS·Filed 2021·Granted Sep 10, 2024·0 cites·6 claims
- 2875US2025055694A1Techniques for securely performing offline authenticationVISA INT SERVICE ASS·Filed 2024·Application pending·0 cites
- 2973US12219347B2Secure on-demand ultra-wideband communication channels systems and methodsVISA INT SERVICE ASS·Filed 2023·Granted Feb 4, 2025·0 cites·20 claims
- 3073US11315099B2Over the air update of payment transaction data stored in secure memoryVISA INT SERVICE ASS·Filed 2020·Granted Apr 26, 2022·0 cites·20 claims
- 3172US12341875B2Efficient authentic communication system and methodVISA INT SERVICE ASS·Filed 2024·Granted Jun 24, 2025·0 cites·19 claims
- 3271US11303450B2Techniques for securely performing offline authenticationVISA INT SERVICE ASS·Filed 2018·Granted Apr 12, 2022·1 cites·20 claims
- 3371US11232427B2Method of performing transactions with contactless payment devices using pre-tap and two-tap operationsVISA INT SERVICE ASS·Filed 2017·Granted Jan 25, 2022·0 cites·10 claims
- 3470US11037128B2Over the air management of payment application installed in mobile deviceVISA INT SERVICE ASS·Filed 2018·Granted Jun 15, 2021·0 cites·11 claims
- 3570US2021264404A1Over the air management of payment application installed in mobile deviceVISA INT SERVICE ASS·Filed 2021·Application pending·0 cites
- 3669US10115100B2Over the air management of payment application installed in mobile deviceVISA INT SERVICE ASS·Filed 2016·Granted Oct 30, 2018·1 cites·12 claims
- 3769US2024283659A1Integrating identity tokens and privacy-preserving identity attribute attestVISA INT SERVICE ASS·Filed 2024·Application pending·0 cites
- 3868US12218953B2Binding cryptogram with protocol characteristicsVISA INT SERVICE ASS·Filed 2022·Granted Feb 4, 2025·0 cites·20 claims
- 3967US10685343B2Trusted internal interfaceVISA INT SERVICE ASS·Filed 2017·Granted Jun 16, 2020·0 cites·20 claims
- 4066US11205175B2Mobile payment application provisioning and personalization on a mobile deviceVISA INT SERVICE ASS·Filed 2018·Granted Dec 21, 2021·0 cites·14 claims
- 4165US10791460B2Terminal type identification in interaction processingVISA INT SERVICE ASS·Filed 2019·Granted Sep 29, 2020·0 cites·22 claims
- 4264US2024047796A1Top cap assemblyNN INC·Filed 2023·Application pending·0 cites
- 4363US12015720B2Integrating identity tokens and privacy-preserving identity attribute attestations into interactionsVISA INT SERVICE ASS·Filed 2021·Granted Jun 18, 2024·0 cites·16 claims
- 4462US11438766B2Terminal type identification in interaction processingVISA INT SERVICE ASS·Filed 2020·Granted Sep 6, 2022·0 cites·20 claims
- 4562US10185952B2Contactless enablement of deviceVISA INT SERVICE ASS·Filed 2015·Granted Jan 22, 2019·0 cites·18 claims
- 4662US10115099B2Over the air management of payment application installed in mobile deviceVISA INT SERVICE ASS·Filed 2016·Granted Oct 30, 2018·0 cites·13 claims
- 4761US2010217709A1Apparatus and method for preventing unauthorized access to payment application installed in contactless payment deviceAABYE CHRISTIAN·Filed 2009·Application pending·0 cites
- 4859US11062298B2Contactless enablement and disablementVISA INT SERVICE ASS·Filed 2018·Granted Jul 13, 2021·0 cites·20 claims
- 4957US12469021B2Limited-use keys and cryptogramsVISA INT SERVICE ASS·Filed 2021·Granted Nov 11, 2025·0 cites·20 claims
- 5056US11956349B2Efficient authentic communication system and methodVISA INT SERVICE ASS·Filed 2018·Granted Apr 9, 2024·0 cites·18 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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