Inventor · disambiguated record
Christopher W. Steffen
Also filed as: STEFFEN CHRISTOPHER · STEFFEN CHRISTOPHER W
50 granted patents·2 pending applications·71 citations·filing 2014–2023
97Inventor score
Files withIBM52
Top patents by PatentIndex Score
52 records- 0197US10030416B1Lock bypass detectionIBM·Filed 2017·Granted Jul 24, 2018·14 cites·1 claims
- 0295US9875958B1Trace/via hybrid structure and method of manufactureIBM·Filed 2016·Granted Jan 23, 2018·9 cites·11 claims
- 0393US11570156B2Secure pairing of devicesIBM·Filed 2020·Granted Jan 31, 2023·3 cites·18 claims
- 0490US9935035B1Fluid cooled trace/via hybrid structure and method of manufactureIBM·Filed 2016·Granted Apr 3, 2018·7 cites·14 claims
- 0588US10613283B2Coaxial wire and optical fiber trace via hybrid structures and methods to manufactureIBM·Filed 2018·Granted Apr 7, 2020·2 cites·19 claims
- 0687US9264052B1Implementing dynamic phase error correction method and circuit for phase locked loop (PLL)IBM·Filed 2015·Granted Feb 16, 2016·7 cites·15 claims
- 0785US11146307B1Detecting distortion in spread spectrum signalsIBM·Filed 2020·Granted Oct 12, 2021·2 cites·20 claims
- 0884US11528102B1Built-in-self-test and characterization of a high speed serial link receiverIBM·Filed 2021·Granted Dec 13, 2022·2 cites·20 claims
- 0983US10290572B2Trace/via hybrid structure and method of manufactureIBM·Filed 2017·Granted May 14, 2019·2 cites·10 claims
- 1081US11409882B2Secure embedded microcontroller image loadIBM·Filed 2019·Granted Aug 9, 2022·2 cites·18 claims
- 1181US9973231B1Protective structures to provide impact protection for portable devicesIBM·Filed 2017·Granted May 15, 2018·5 cites·20 claims
- 1280US10167655B2Lock bypass detectionIBM·Filed 2017·Granted Jan 1, 2019·3 cites·14 claims
- 1379US10554347B2Low latency corrupt data tagging on a cross-chip linkIBM·Filed 2017·Granted Feb 4, 2020·2 cites·7 claims
- 1478US10267792B2Device for detecting toxic shock syndrome toxins and method of making the sameIBM·Filed 2016·Granted Apr 23, 2019·1 cites·17 claims
- 1577US12289300B2Secure pairing of devicesIBM·Filed 2023·Granted Apr 29, 2025·0 cites·18 claims
- 1676US12306229B2Time-domain reflectometry protocol for sensorsIBM·Filed 2022·Granted May 20, 2025·0 cites·20 claims
- 1776US10080951B2Simulating virtual topography using treadmillsIBM·Filed 2016·Granted Sep 25, 2018·4 cites·16 claims
- 1874US11902263B2Secure pairing of devicesIBM·Filed 2023·Granted Feb 13, 2024·0 cites·24 claims
- 1974US10088642B2Coaxial wire and optical fiber trace via hybrid structures and methods to manufactureIBM·Filed 2016·Granted Oct 2, 2018·1 cites·6 claims
- 2072US10167854B2Shape memory article with heat-generating microcapsuleIBM·Filed 2016·Granted Jan 1, 2019·1 cites·20 claims
- 2170US11880469B2Secure embedded microcontroller image loadIBM·Filed 2022·Granted Jan 23, 2024·0 cites·19 claims
- 2269US10505553B1Detecting the health of a phase loop lockIBM·Filed 2018·Granted Dec 10, 2019·2 cites·20 claims
- 2369US10426030B2Trace/via hybrid structure multichip carrierIBM·Filed 2017·Granted Sep 24, 2019·1 cites·15 claims
- 2468US11402418B2Time-domain reflectometry protocol for sensorsIBM·Filed 2019·Granted Aug 2, 2022·0 cites·14 claims
- 2566US9929722B1Wire capacitor for transmitting AC signalsIBM·Filed 2017·Granted Mar 27, 2018·1 cites·20 claims
- 2665US11016255B2Coaxial wire and optical fiber trace via hybrid structures and methods to manufactureIBM·Filed 2019·Granted May 25, 2021·0 cites·20 claims
- 2764US2019178883A1Detecting toxic shock syndrome toxinsIBM·Filed 2019·Application pending·0 cites
- 2863US11662381B2Self-contained built-in self-test circuit with phase-shifting abilities for high-speed receiversIBM·Filed 2021·Granted May 30, 2023·0 cites·20 claims
- 2963US10833001B2Trace/via hybrid structure and method of manufactureIBM·Filed 2019·Granted Nov 10, 2020·0 cites·7 claims
- 3063US10727176B2Trace/via hybrid structure and method of manufactureIBM·Filed 2019·Granted Jul 28, 2020·0 cites·9 claims
- 3160US11092763B2Coaxial wire and optical fiber trace via hybrid structures and methods to manufactureIBM·Filed 2018·Granted Aug 17, 2021·0 cites·20 claims
- 3260US10170406B2Trace/via hybrid structure and method of manufactureIBM·Filed 2017·Granted Jan 1, 2019·0 cites·4 claims
- 3359US12143471B2Pairing devices for enhanced securityIBM·Filed 2022·Granted Nov 12, 2024·0 cites·25 claims
- 3458US12231536B2Secure modification of controlled devicesIBM·Filed 2022·Granted Feb 18, 2025·0 cites·15 claims
- 3557US11693446B2On-chip spread spectrum synchronization between spread spectrum sourcesIBM·Filed 2021·Granted Jul 4, 2023·0 cites·20 claims
- 3657US10791628B2Trace/via hybrid structure multichip carrierIBM·Filed 2019·Granted Sep 29, 2020·0 cites·19 claims
- 3756US11729472B2Content access based on location tokenIBM·Filed 2019·Granted Aug 15, 2023·0 cites·20 claims
- 3856US11617519B2Needle electrode for position-dependent injectionIBM·Filed 2019·Granted Apr 4, 2023·0 cites·12 claims
- 3956US10927567B2Lock bypass detectionIBM·Filed 2019·Granted Feb 23, 2021·0 cites·12 claims
- 4056US10229872B2Trace/via hybrid structure with thermally and electrically conductive support material for increased thermal and electrical performanceIBM·Filed 2018·Granted Mar 12, 2019·0 cites·20 claims
- 4154US10673732B2Dynamic time-domain reflectometry analysis for field replaceable unit isolation in a running systemIBM·Filed 2017·Granted Jun 2, 2020·0 cites·12 claims
- 4252US11714127B2On-chip spread spectrum characterizationIBM·Filed 2018·Granted Aug 1, 2023·0 cites·20 claims
- 4352US10396944B2Low latency corrupt data tagging on a cross-chip linkIBM·Filed 2017·Granted Aug 27, 2019·0 cites·13 claims
- 4452US9438209B2Implementing clock receiver with low jitter and enhanced duty cycleIBM·Filed 2014·Granted Sep 6, 2016·0 cites·12 claims
- 4551US10666540B2Dynamic time-domain reflectometry analysis for field replaceable unit isolation in a running systemIBM·Filed 2017·Granted May 26, 2020·0 cites·8 claims
- 4651US10056324B2Trace/via hybrid structure with thermally and electrically conductive support material for increased thermal and electrical performanceIBM·Filed 2016·Granted Aug 21, 2018·0 cites·14 claims
- 4750US12438547B2Phase-locked loop update cancellationIBM·Filed 2023·Granted Oct 7, 2025·0 cites·14 claims
- 4850US9571069B2Implementing clock receiver with low jitter and enhanced duty cycleIBM·Filed 2015·Granted Feb 14, 2017·0 cites·5 claims
- 4945US11558057B1Phase locked loop pulse truncationIBM·Filed 2021·Granted Jan 17, 2023·0 cites·8 claims
- 5044US10796030B2Detecting an attempted theft of information stored in an RFID-enabled cardIBM·Filed 2016·Granted Oct 6, 2020·0 cites·18 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →