Inventor · disambiguated record
Saurav Chakraborty
Also filed as: CHAKRABORTY SAURAV
47 granted patents·13 pending applications·388 citations·filing 2008–2025
98Inventor score
Top patents by PatentIndex Score
60 records- 0199US8072331B2Mobile payment deviceNARENDRA SIVA G·Filed 2011·Granted Dec 6, 2011·91 cites·7 claims
- 0298US7961101B2Small RFID card with integrated inductive elementTYFONE INC·Filed 2008·Granted Jun 14, 2011·84 cites·15 claims
- 0397US8451122B2Smartcard performance enhancement circuits and systemsNARENDRA SIVA G·Filed 2011·Granted May 28, 2013·48 cites·17 claims
- 0496US9215592B2Configurable personal digital identity device responsive to user interactionTYFONE INC·Filed 2013·Granted Dec 15, 2015·32 cites·17 claims
- 0596US9207650B2Configurable personal digital identity device responsive to user interaction with user authentication factor captured in mobile deviceTYFONE INC·Filed 2013·Granted Dec 8, 2015·28 cites·20 claims
- 0694US9183371B2Personal digital identity device with microphoneTYFONE INC·Filed 2013·Granted Nov 10, 2015·23 cites·22 claims
- 0794US8814053B2Mobile payment device with small inductive device powered by a host deviceTYFONE INC·Filed 2012·Granted Aug 26, 2014·17 cites·7 claims
- 0891US9904887B2Computing device with NFC and active load modulationTYFONE INC·Filed 2016·Granted Feb 27, 2018·4 cites·20 claims
- 0991US8937549B2Enhanced integrated circuit with smartcard controllerTYFONE INC·Filed 2014·Granted Jan 20, 2015·6 cites·12 claims
- 1090US12147863B2Method and apparatus for transmitting data via NFC for mobile applications including mobile payments and ticketingICASHE INC·Filed 2023·Granted Nov 19, 2024·1 cites·20 claims
- 1190US10318855B2Computing device with NFC and active load modulation for mass transit ticketingTYFONE INC·Filed 2018·Granted Jun 11, 2019·3 cites·20 claims
- 1290US9319881B2Personal digital identity device with fingerprint sensorTYFONE INC·Filed 2013·Granted Apr 19, 2016·5 cites·17 claims
- 1389US8866614B2Active circuit for RFIDTYFONE INC·Filed 2013·Granted Oct 21, 2014·5 cites·17 claims
- 1488US10476675B2Personal digital identity card device for fingerprint bound asymmetric crypto to access a kioskTYFONE INC·Filed 2019·Granted Nov 12, 2019·2 cites·20 claims
- 1588US9489608B2Amplifier and transmission solution for 13.56MHz radio coupled to smartmx smartcard controllerTYFONE INC·Filed 2014·Granted Nov 8, 2016·4 cites·14 claims
- 1685US12302089B2Wearable identity device for fingerprint bound access to a cloud serviceSIDEASSURE INC·Filed 2023·Granted May 13, 2025·0 cites·20 claims
- 1785US9436165B2Personal digital identity device with motion sensor responsive to user interactionTYFONE INC·Filed 2013·Granted Sep 6, 2016·6 cites·18 claims
- 1885US2025267449A1Wearable identity device for fingerprint bound access to a cloud serviceSIDEASSURE INC·Filed 2025·Application pending·0 cites
- 1983US9448543B2Configurable personal digital identity device with motion sensor responsive to user interactionTYFONE INC·Filed 2013·Granted Sep 20, 2016·6 cites·13 claims
- 2082US8843062B2Coupling area enhancement apparatus, system, and methodNARENDRA SIVA G·Filed 2011·Granted Sep 23, 2014·5 cites·23 claims
- 2180US11832095B2Wearable identity device for fingerprint bound access to a cloud serviceSIDEASSURE INC·Filed 2022·Granted Nov 28, 2023·0 cites·20 claims
- 2278US9143938B2Personal digital identity device responsive to user interactionTYFONE INC·Filed 2013·Granted Sep 22, 2015·4 cites·32 claims
- 2376US11523273B2Wearable identity device for fingerprint bound access to a cloud serviceSIDEASSURE INC·Filed 2021·Granted Dec 6, 2022·0 cites·20 claims
- 2476US9390359B2Mobile device with a contactless smartcard device and active load modulationTYFONE INC·Filed 2014·Granted Jul 12, 2016·1 cites·22 claims
- 2576US2025139398A1Method and apparatus for transmitting data via nfc for mobile applications including mobile payments and ticketingICASHE INC·Filed 2024·Application pending·0 cites
- 2675US11694053B2Method and apparatus for transmitting data via NFC for mobile applications including mobile payments and ticketingICASHE INC·Filed 2021·Granted Jul 4, 2023·0 cites·20 claims
- 2775US9077794B2Lightning connector accessory deviceTYFONE INC·Filed 2012·Granted Jul 7, 2015·3 cites·6 claims
- 2873US10949726B2Mobile phone with NFC apparatus that does not rely on power derived from an interrogating RF fieldICASHE INC·Filed 2020·Granted Mar 16, 2021·0 cites·13 claims
- 2972US10607129B2Sideband generating NFC apparatus to mimic load modulationTYFONE INC·Filed 2019·Granted Mar 31, 2020·0 cites·20 claims
- 3071US11006271B2Wearable identity device for fingerprint bound access to a cloud serviceSIDEASSURE INC·Filed 2020·Granted May 11, 2021·0 cites·20 claims
- 3171US9520684B2MicroUSB lightning device with offset circuit boardTYFONE INC·Filed 2016·Granted Dec 13, 2016·1 cites·19 claims
- 3271US9231945B2Personal digital identity device with motion sensorTYFONE INC·Filed 2013·Granted Jan 5, 2016·2 cites·26 claims
- 3371US9086689B2Configurable personal digital identity device with imager responsive to user interactionTYFONE INC·Filed 2013·Granted Jul 21, 2015·2 cites·20 claims
- 3470US9166281B2Offset PCB lightning connector accessory deviceTYFONE INC·Filed 2015·Granted Oct 20, 2015·1 cites·20 claims
- 3569US9154500B2Personal digital identity device with microphone responsive to user interactionTYFONE INC·Filed 2013·Granted Oct 6, 2015·2 cites·8 claims
- 3668US9781598B2Personal digital identity device with fingerprint sensor responsive to user interactionTYFONE INC·Filed 2013·Granted Oct 3, 2017·2 cites·18 claims
- 3767US10721071B2Wearable personal digital identity card for fingerprint bound access to a cloud serviceTYFONE INC·Filed 2019·Granted Jul 21, 2020·0 cites·20 claims
- 3866US10211988B2Personal digital identity card device for fingerprint bound asymmetric crypto to access merchant cloud servicesTYFONE INC·Filed 2018·Granted Feb 19, 2019·0 cites·20 claims
- 3964US9483722B2Amplifier and transmission solution for 13.56MHz radio coupled to smartcard controllerTYFONE INC·Filed 2014·Granted Nov 1, 2016·0 cites·14 claims
- 4064US9122965B213.56 MHz enhancement circuit for smartcard controllerTYFONE INC·Filed 2014·Granted Sep 1, 2015·0 cites·20 claims
- 4164US9117152B213.56 MHz enhancement circuit for smartmx smartcard controllerTYFONE INC·Filed 2014·Granted Aug 25, 2015·0 cites·20 claims
- 4262US9906365B2Personal digital identity device with fingerprint sensor and challenge-response keyTYFONE INC·Filed 2016·Granted Feb 27, 2018·0 cites·17 claims
- 4358US9659295B2Personal digital identity device with near field and non near field radios for access controlTYFONE INC·Filed 2016·Granted May 23, 2017·0 cites·23 claims
- 4457US9563892B2Personal digital identity card with motion sensor responsive to user interactionTYFONE INC·Filed 2016·Granted Feb 7, 2017·0 cites·18 claims
- 4555US9281633B2MicroUSB accessory device with antennaTYFONE INC·Filed 2015·Granted Mar 8, 2016·0 cites·11 claims
- 4655US8410936B2Contactless card that receives power from host deviceNARENDRA SIVA G·Filed 2011·Granted Apr 2, 2013·0 cites·20 claims
- 4754US9576281B2Configurable personal digital identity card with motion sensor responsive to user interactionTYFONE INC·Filed 2016·Granted Feb 21, 2017·0 cites·13 claims
- 4854US2014354503A1Mobile device with coupling area enhancementTYFONE INC·Filed 2014·Application pending·0 cites
- 4953US9734319B2Configurable personal digital identity device with authentication using image received over radio linkTYFONE INC·Filed 2015·Granted Aug 15, 2017·0 cites·12 claims
- 5049US2010033310A1Power negotation for small rfid cardNARENDRA SIVA G·Filed 2008·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →