Assignee
IMPINJ INC
US·324 granted patents·32 pending applications·7,812 citations·filing 2001–2025
Top patents by PatentIndex Score
356 records- 0199US11423278B1RFID integrated circuits with large contact padsIMPINJ INC·Filed 2021·Granted Aug 23, 2022·15 cites·17 claims
- 0299US11361174B1Enhanced RFID tag authenticationIMPINJ INC·Filed 2020·Granted Jun 14, 2022·19 cites·20 claims
- 0399US11288564B1High-speed RFID tag assembly using impulse heatingIMPINJ INC·Filed 2020·Granted Mar 29, 2022·10 cites·20 claims
- 0499US11244282B1RFID loss-prevention based on transition riskIMPINJ INC·Filed 2021·Granted Feb 8, 2022·10 cites·20 claims
- 0599US10824824B1User-filtered RFID inventoryIMPINJ INC·Filed 2020·Granted Nov 3, 2020·9 cites·20 claims
- 0699US10819319B1Level shifter circuit with self-gated transition amplifierIMPINJ INC·Filed 2019·Granted Oct 27, 2020·47 cites·16 claims
- 0799US10546162B1User-filtered RFID inventoryIMPINJ INC·Filed 2019·Granted Jan 28, 2020·22 cites·20 claims
- 0899USD546821SRadio frequency identification tag antenna assemblyIMPINJ INC·Filed 2006·Granted Jul 17, 2007·196 cites·1 claims
- 0998US11514254B1User-filtered RFID inventoryIMPINJ INC·Filed 2020·Granted Nov 29, 2022·9 cites·20 claims
- 1098US11403505B1RFID integrated circuits with electrical bridgesIMPINJ INC·Filed 2021·Granted Aug 2, 2022·9 cites·20 claims
- 1198US11341343B1RFID integrated circuit identifier self-checkIMPINJ INC·Filed 2020·Granted May 24, 2022·11 cites·20 claims
- 1298US11341837B1Environment-based RFID IC behaviorIMPINJ INC·Filed 2020·Granted May 24, 2022·9 cites·21 claims
- 1398US11232340B1Digital identities for physical itemsIMPINJ INC·Filed 2020·Granted Jan 25, 2022·13 cites·20 claims
- 1498US11200387B1RFID tags enforcing persistence while poweredIMPINJ INC·Filed 2020·Granted Dec 14, 2021·11 cites·20 claims
- 1598US11120320B1Item identification via RFID tag secretIMPINJ INC·Filed 2020·Granted Sep 14, 2021·9 cites·20 claims
- 1698US10916114B1Exit-code-based RFID loss-prevention systemIMPINJ INC·Filed 2020·Granted Feb 9, 2021·9 cites·20 claims
- 1798US10885417B1Impedance-change mitigation in RFID tagsIMPINJ INC·Filed 2020·Granted Jan 5, 2021·12 cites·20 claims
- 1898US10521768B1RFID loss-prevention based on transition riskIMPINJ INC·Filed 2019·Granted Dec 31, 2019·19 cites·20 claims
- 1998US9818084B1RFID loss-prevention based on transition riskIMPINJ INC·Filed 2016·Granted Nov 14, 2017·37 cites·20 claims
- 2098US9792472B1Tag-handle-based authentication of RFID readersIMPINJ INC·Filed 2015·Granted Oct 17, 2017·50 cites·20 claims
- 2198US7038544B2Use of analog-valued floating-gate transistors for parallel and serial signal processingIMPINJ INC·Filed 2005·Granted May 2, 2006·39 cites·8 claims
- 2298US7026935B2Method and apparatus to configure an RFID system to be adaptable to a plurality of environmental conditionsIMPINJ INC·Filed 2004·Granted Apr 11, 2006·274 cites·22 claims
- 2397US11481592B1RFID tags with public and private inventory statesIMPINJ INC·Filed 2021·Granted Oct 25, 2022·9 cites·20 claims
- 2497US11481591B1RFID tag rectifiers with bias current reuseIMPINJ INC·Filed 2020·Granted Oct 25, 2022·9 cites·15 claims
- 2597US11461570B1RFID-based item presence detectionIMPINJ INC·Filed 2021·Granted Oct 4, 2022·9 cites·20 claims
- 2697US11188803B1Rectifier backflow reduction via biasingIMPINJ INC·Filed 2020·Granted Nov 30, 2021·13 cites·18 claims
- 2797US10956693B1RFID-based item presence detectionIMPINJ INC·Filed 2020·Granted Mar 23, 2021·17 cites·20 claims
- 2897US10878685B1Environment-based RFID IC behaviorIMPINJ INC·Filed 2019·Granted Dec 29, 2020·17 cites·20 claims
- 2997US10572703B1RFID-based item presence detectionIMPINJ INC·Filed 2018·Granted Feb 25, 2020·32 cites·20 claims
- 3097US10373115B1RFID loss-prevention based on transition riskIMPINJ INC·Filed 2017·Granted Aug 6, 2019·13 cites·19 claims
- 3197US10331993B1RFID integrated circuits with large contact padsIMPINJ INC·Filed 2015·Granted Jun 25, 2019·19 cites·17 claims
- 3297US9959435B1Location-based access to RFID tag informationIMPINJ INC·Filed 2016·Granted May 1, 2018·20 cites·11 claims
- 3397US9886658B1Impedance-change mitigation in RFID tagsIMPINJ INC·Filed 2016·Granted Feb 6, 2018·29 cites·21 claims
- 3497US9881473B1RFID loss-prevention using angle-of-arrivalIMPINJ INC·Filed 2016·Granted Jan 30, 2018·24 cites·20 claims
- 3597US9565022B1RFID tags with dynamic key replacementIMPINJ INC·Filed 2014·Granted Feb 7, 2017·38 cites·17 claims
- 3697US9503160B1Low-noise amplifier mixer with coupled inductorsIMPINJ INC·Filed 2015·Granted Nov 22, 2016·16 cites·15 claims
- 3797US7561866B2RFID tags with power rectifiers that have biasIMPINJ INC·Filed 2005·Granted Jul 14, 2009·68 cites·30 claims
- 3897US7400255B2Wireless functional testing of RFID tagIMPINJ INC·Filed 2005·Granted Jul 15, 2008·53 cites·27 claims
- 3997US7304579B2RFID reader to select code modulesIMPINJ INC·Filed 2005·Granted Dec 4, 2007·51 cites·24 claims
- 4097US7245213B1RFID readers and RFID tags exchanging encrypted passwordIMPINJ INC·Filed 2005·Granted Jul 17, 2007·96 cites·60 claims
- 4196US11797813B1Controlling RFID tag population backscatter characteristicsIMPINJ INC·Filed 2020·Granted Oct 24, 2023·7 cites·20 claims
- 4296US11514255B1Fast frequency switching for RFID applicationsIMPINJ INC·Filed 2021·Granted Nov 29, 2022·9 cites·20 claims
- 4396US11321547B1Inventory-cycle-based RFID tag locationIMPINJ INC·Filed 2020·Granted May 3, 2022·9 cites·14 claims
- 4496US11017349B1RFID loss-prevention based on transition riskIMPINJ INC·Filed 2019·Granted May 25, 2021·10 cites·20 claims
- 4596US11017187B1Fast frequency switching for RFID applicationsIMPINJ INC·Filed 2020·Granted May 25, 2021·9 cites·20 claims
- 4696US10929734B1RFID tag clock frequency reduction during tuningIMPINJ INC·Filed 2019·Granted Feb 23, 2021·13 cites·20 claims
- 4796US10846583B1High-speed RFID tag assembly using impulse heatingIMPINJ INC·Filed 2017·Granted Nov 24, 2020·13 cites·7 claims
- 4896US10776198B1RFID integrated circuit identifier self-checkIMPINJ INC·Filed 2019·Granted Sep 15, 2020·12 cites·20 claims
- 4996US10740574B1RFID tags enforcing persistence while poweredIMPINJ INC·Filed 2019·Granted Aug 11, 2020·14 cites·20 claims
- 5096US10713549B1RFID tag rectifiers with bias current reuseIMPINJ INC·Filed 2018·Granted Jul 14, 2020·18 cites·9 claims
Showing the top 50 of 356 patent records by PatentIndex Score.
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