Inventor · disambiguated record
Christopher J. Diorio
Also filed as: DIORIO CHRISTOPHER · DIORIO CHRISTOPHER J
260 granted patents·30 pending applications·6,185 citations·filing 1995–2024
99Inventor score
Files withIMPINJ INC223DIORIO CHRISTOPHER J24CALIFORNIA INST OF TECHN12IMPINJ INC A DELAWARE CORP4STANFORD THERON4
Top patents by PatentIndex Score
290 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
- 0699US10546162B1User-filtered RFID inventoryIMPINJ INC·Filed 2019·Granted Jan 28, 2020·22 cites·20 claims
- 0798US11514254B1User-filtered RFID inventoryIMPINJ INC·Filed 2020·Granted Nov 29, 2022·9 cites·20 claims
- 0898US11403505B1RFID integrated circuits with electrical bridgesIMPINJ INC·Filed 2021·Granted Aug 2, 2022·9 cites·20 claims
- 0998US11341343B1RFID integrated circuit identifier self-checkIMPINJ INC·Filed 2020·Granted May 24, 2022·11 cites·20 claims
- 1098US11341837B1Environment-based RFID IC behaviorIMPINJ INC·Filed 2020·Granted May 24, 2022·9 cites·21 claims
- 1198US11232340B1Digital identities for physical itemsIMPINJ INC·Filed 2020·Granted Jan 25, 2022·13 cites·20 claims
- 1298US11200387B1RFID tags enforcing persistence while poweredIMPINJ INC·Filed 2020·Granted Dec 14, 2021·11 cites·20 claims
- 1398US11120320B1Item identification via RFID tag secretIMPINJ INC·Filed 2020·Granted Sep 14, 2021·9 cites·20 claims
- 1498US10916114B1Exit-code-based RFID loss-prevention systemIMPINJ INC·Filed 2020·Granted Feb 9, 2021·9 cites·20 claims
- 1598US10885417B1Impedance-change mitigation in RFID tagsIMPINJ INC·Filed 2020·Granted Jan 5, 2021·12 cites·20 claims
- 1698US10521768B1RFID loss-prevention based on transition riskIMPINJ INC·Filed 2019·Granted Dec 31, 2019·19 cites·20 claims
- 1798US9818084B1RFID loss-prevention based on transition riskIMPINJ INC·Filed 2016·Granted Nov 14, 2017·37 cites·20 claims
- 1898US9792472B1Tag-handle-based authentication of RFID readersIMPINJ INC·Filed 2015·Granted Oct 17, 2017·50 cites·20 claims
- 1998US7038544B2Use of analog-valued floating-gate transistors for parallel and serial signal processingIMPINJ INC·Filed 2005·Granted May 2, 2006·39 cites·8 claims
- 2098US7026935B2Method 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
- 2197US11481592B1RFID tags with public and private inventory statesIMPINJ INC·Filed 2021·Granted Oct 25, 2022·9 cites·20 claims
- 2297US11461570B1RFID-based item presence detectionIMPINJ INC·Filed 2021·Granted Oct 4, 2022·9 cites·20 claims
- 2397US10956693B1RFID-based item presence detectionIMPINJ INC·Filed 2020·Granted Mar 23, 2021·17 cites·20 claims
- 2497US10878685B1Environment-based RFID IC behaviorIMPINJ INC·Filed 2019·Granted Dec 29, 2020·17 cites·20 claims
- 2597US10572703B1RFID-based item presence detectionIMPINJ INC·Filed 2018·Granted Feb 25, 2020·32 cites·20 claims
- 2697US10373115B1RFID loss-prevention based on transition riskIMPINJ INC·Filed 2017·Granted Aug 6, 2019·13 cites·19 claims
- 2797US10331993B1RFID integrated circuits with large contact padsIMPINJ INC·Filed 2015·Granted Jun 25, 2019·19 cites·17 claims
- 2897US9959435B1Location-based access to RFID tag informationIMPINJ INC·Filed 2016·Granted May 1, 2018·20 cites·11 claims
- 2997US9886658B1Impedance-change mitigation in RFID tagsIMPINJ INC·Filed 2016·Granted Feb 6, 2018·29 cites·21 claims
- 3097US9881473B1RFID loss-prevention using angle-of-arrivalIMPINJ INC·Filed 2016·Granted Jan 30, 2018·24 cites·20 claims
- 3197US9565022B1RFID tags with dynamic key replacementIMPINJ INC·Filed 2014·Granted Feb 7, 2017·38 cites·17 claims
- 3297US9087281B2Dual-frequency RFID tag with isolated inputsMAGUIRE YAEL·Filed 2011·Granted Jul 21, 2015·44 cites·19 claims
- 3397US8941469B1RFID tag authentication with public-key cryptographyDIORIO CHRISTOPHER J·Filed 2011·Granted Jan 27, 2015·42 cites·27 claims
- 3497US8866594B1RFID tag and reader authentication by trusted authorityDIORIO CHRISTOPHER J·Filed 2012·Granted Oct 21, 2014·49 cites·18 claims
- 3597US7561866B2RFID tags with power rectifiers that have biasIMPINJ INC·Filed 2005·Granted Jul 14, 2009·68 cites·30 claims
- 3697US7304579B2RFID reader to select code modulesIMPINJ INC·Filed 2005·Granted Dec 4, 2007·51 cites·24 claims
- 3797US7245213B1RFID readers and RFID tags exchanging encrypted passwordIMPINJ INC·Filed 2005·Granted Jul 17, 2007·96 cites·60 claims
- 3896US11514255B1Fast frequency switching for RFID applicationsIMPINJ INC·Filed 2021·Granted Nov 29, 2022·9 cites·20 claims
- 3996US11017349B1RFID loss-prevention based on transition riskIMPINJ INC·Filed 2019·Granted May 25, 2021·10 cites·20 claims
- 4096US11017187B1Fast frequency switching for RFID applicationsIMPINJ INC·Filed 2020·Granted May 25, 2021·9 cites·20 claims
- 4196US10929734B1RFID tag clock frequency reduction during tuningIMPINJ INC·Filed 2019·Granted Feb 23, 2021·13 cites·20 claims
- 4296US10846583B1High-speed RFID tag assembly using impulse heatingIMPINJ INC·Filed 2017·Granted Nov 24, 2020·13 cites·7 claims
- 4396US10776198B1RFID integrated circuit identifier self-checkIMPINJ INC·Filed 2019·Granted Sep 15, 2020·12 cites·20 claims
- 4496US10740574B1RFID tags enforcing persistence while poweredIMPINJ INC·Filed 2019·Granted Aug 11, 2020·14 cites·20 claims
- 4596US10699178B1Digital identities for physical itemsIMPINJ INC·Filed 2018·Granted Jun 30, 2020·14 cites·20 claims
- 4696US10650201B1RFID tags with port-dependent functionalityIMPINJ INC·Filed 2019·Granted May 12, 2020·13 cites·19 claims
- 4796US10600298B1Exit-code-based RFID loss-prevention systemIMPINJ INC·Filed 2019·Granted Mar 24, 2020·11 cites·20 claims
- 4896US10430623B1RFID tag tracking using tag population managementIMPINJ INC·Filed 2018·Granted Oct 1, 2019·14 cites·20 claims
- 4996US10402710B1RFID tags with public and private inventory statesIMPINJ INC·Filed 2018·Granted Sep 3, 2019·16 cites·20 claims
- 5096US10311351B1RFID integrated circuits with antenna contacts on multiple surfacesIMPINJ INC·Filed 2018·Granted Jun 4, 2019·12 cites·20 claims
Showing the top 50 of 290 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →