Inventor · disambiguated record
Kerfegar K. Katrak
Also filed as: KATRAK KERFEGAR · KATRAK KERFEGAR K · KATRAK KERFEGAR KHURSHED
110 granted patents·17 pending applications·806 citations·filing 2000–2024
99Inventor score
Files withLG CHEMICAL LTD41GEN MOTORS CORP24GM GLOBAL TECH OPERATIONS INC24FORT ROBOTICS INC13KATRAK KERFEGAR K13
Top patents by PatentIndex Score
127 records- 0197US11500715B1Determining functional safety state using software-based ternary state translation of analog inputFORT ROBOTICS INC·Filed 2021·Granted Nov 15, 2022·9 cites·21 claims
- 0296US7684911B2Suspension control calibration integrityGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Mar 23, 2010·136 cites·12 claims
- 0395US11940869B2Determining functional safety state using software-based ternary state translation of analog inputFORT ROBOTICS INC·Filed 2022·Granted Mar 26, 2024·4 cites·20 claims
- 0494US9728359B1Diagnostic system for a voltage regulatorLG CHEMICAL LTD·Filed 2016·Granted Aug 8, 2017·10 cites·4 claims
- 0594US7953536B2Inertial sensor software architecture security methodGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 31, 2011·38 cites·20 claims
- 0694US7042363B2Methods and apparatus for producing a three-state single wire controlGEN MOTORS CORP·Filed 2004·Granted May 9, 2006·65 cites·95 claims
- 0793US7242329B2Method and system for prioritizing data values for robust data representationGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 10, 2007·28 cites·20 claims
- 0889US9784771B1Diagnostic system for a power supplyLG CHEMICAL LTD·Filed 2016·Granted Oct 10, 2017·5 cites·7 claims
- 0988US10605846B2Diagnostic system for a vehicle electrical system having a voltage regulatorLG CHEMICAL LTD·Filed 2018·Granted Mar 31, 2020·3 cites·7 claims
- 1088US9970991B2Diagnostic system for a battery systemLG CHEMICAL LTD·Filed 2016·Granted May 15, 2018·4 cites·11 claims
- 1188US7340337B2Vehicle control system for detecting a short-circuit condition between redundant position sensorsGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Mar 4, 2008·17 cites·16 claims
- 1287US9964599B2Diagnostic system for a DC-DC voltage converterLG CHEMICAL LTD·Filed 2016·Granted May 8, 2018·4 cites·8 claims
- 1387US7069773B2Manifold air flow (MAF) and manifold absolute pressure (MAP) residual electronic throttle control (ETC) securityGEN MOTORS CORP·Filed 2004·Granted Jul 4, 2006·36 cites·12 claims
- 1486US8521376B2Shift rail transmission position sensingKATRAK KERFEGAR KHURSHED·Filed 2010·Granted Aug 27, 2013·8 cites·17 claims
- 1585US8204712B2Ternary sensor inputsKATRAK KERFEGAR KHURSHED·Filed 2008·Granted Jun 19, 2012·13 cites·24 claims
- 1684US9935552B2Control system for controlling operational modes of a DC-DC voltage converterLG CHEMICAL LTD·Filed 2017·Granted Apr 3, 2018·4 cites·16 claims
- 1784US7343897B2Engine control system with user-commanded engine speed adjustments in varying incrementsGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Mar 18, 2008·16 cites·27 claims
- 1883US10481191B2Diagnostic system for a vehicle electrical systemLG CHEMICAL LTD·Filed 2018·Granted Nov 19, 2019·2 cites·10 claims
- 1983US7549108B2Methods and systems for secure control of system modes and sub-modesGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jun 16, 2009·13 cites·19 claims
- 2083US6808471B1Methods and apparatus for providing security for electronically-controlled cylinder activation and deactivationGEN MOTORS CORP·Filed 2003·Granted Oct 26, 2004·26 cites·20 claims
- 2182US10734690B2Self-diagnosing battery cell monitoring systemLG CHEMICAL LTD·Filed 2018·Granted Aug 4, 2020·2 cites·14 claims
- 2282US10338145B2Voltage monitoring systemLG CHEMICAL LTD·Filed 2017·Granted Jul 2, 2019·3 cites·9 claims
- 2381US10309993B2Voltage monitoring system utilizing first and second banks of channels and exchanged encoded channel numbers for taking redundant safe actionLG CHEMICAL LTD·Filed 2017·Granted Jun 4, 2019·2 cites·19 claims
- 2481US7747359B2Vehicle state determination integrityGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jun 29, 2010·19 cites·21 claims
- 2580US10261115B2Voltage monitoring system utilizing a common channel and exchanged encoded channel numbers to confirm valid voltage valuesLG CHEMICAL LTD·Filed 2017·Granted Apr 16, 2019·2 cites·18 claims
- 2680US8412425B2Transmission control moduleKATRAK KERFEGAR KHURSHED·Filed 2010·Granted Apr 2, 2013·6 cites·22 claims
- 2780US7082925B2Electronic throttle control with throttle position sensor system and air flow indicatorsGEN MOTORS CORP·Filed 2005·Granted Aug 1, 2006·11 cites·30 claims
- 2877US2025013515A1Method for encoded diagnostics in a functional safety systemFORT ROBOTICS INC·Filed 2024·Application pending·0 cites
- 2976US8358227B2Multi-cell voltage secure data encoding in hybrid vehiclesGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 22, 2013·6 cites·16 claims
- 3076US7305295B2Throttle limiting for an internal combustion engineGEN MOTORS CORP·Filed 2004·Granted Dec 4, 2007·25 cites·24 claims
- 3176US2023288897A1Ensuring functional safety requirement satisfaction for ouput determination and output of safety messagesFORT ROBOTICS INC·Filed 2023·Application pending·0 cites
- 3275US7126463B2PWM and variable frequency based position indicatorsGEN MOTORS CORP·Filed 2004·Granted Oct 24, 2006·23 cites·20 claims
- 3375US6957140B1Learned airflow variationGEN MOTORS CORP·Filed 2004·Granted Oct 18, 2005·19 cites·37 claims
- 3474US10564226B2Diagnostic system for a DC-DC voltage converterLG CHEMICAL LTD·Filed 2017·Granted Feb 18, 2020·3 cites·6 claims
- 3574US7706941B2Method and system for coordinating a vehicle stability control system with a suspension damper control sub-systemGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Apr 27, 2010·12 cites·7 claims
- 3674US7467029B2Dual processor supervisory control system for a vehicleGEN MOTORS CORP·Filed 2005·Granted Dec 16, 2008·10 cites·15 claims
- 3773US10714928B2Diagnostic system for a vehicle electrical system having a DC-DC voltage converter and a voltage regulatorLG CHEMICAL LTD·Filed 2018·Granted Jul 14, 2020·1 cites·10 claims
- 3873US10439496B2Control system for transitioning a DC-DC voltage converter from a buck operational mode to a safe operational modeLG CHEMICAL LTD·Filed 2017·Granted Oct 8, 2019·2 cites·7 claims
- 3972US12124321B2Method for encoded diagnostics in a functional safety systemFORT ROBOTICS INC·Filed 2023·Granted Oct 22, 2024·0 cites·20 claims
- 4072US11789806B2Method for encoded diagnostics in a functional safety systemFORT ROBOTICS INC·Filed 2022·Granted Oct 17, 2023·0 cites·20 claims
- 4172US7533322B2Method and system for performing function-specific memory checks within a vehicle-based control systemGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted May 12, 2009·5 cites·20 claims
- 4272US7142132B2Methods and systems for multi-state switching using at least one ternary input and at least one discrete inputGEN MOTORS CORP·Filed 2004·Granted Nov 28, 2006·18 cites·48 claims
- 4372US6739314B1Displacement on demand with throttle preload security methodologyGEN MOTORS CORP·Filed 2003·Granted May 25, 2004·16 cites·10 claims
- 4471US10170259B2System for controlling operation of a contactor using a high side sense circuit and a low side sense circuitLG CHEMICAL LTD·Filed 2016·Granted Jan 1, 2019·2 cites·12 claims
- 4571US7383120B2Methods and apparatus for adjusting frequency and/or PWM-based sensorsGEN MOTORS CORP·Filed 2004·Granted Jun 3, 2008·16 cites·23 claims
- 4670US10585772B2Power supply diagnostic strategyTRW AUTOMOTIVE US LLC·Filed 2014·Granted Mar 10, 2020·2 cites·17 claims
- 4769US11579953B2Method for encoded diagnostics in a functional safety systemFORT ROBOTICS INC·Filed 2022·Granted Feb 14, 2023·0 cites·20 claims
- 4869US10283977B2Diagnostic system for a battery systemLG CHEMICAL LTD·Filed 2017·Granted May 7, 2019·0 cites·11 claims
- 4969US10283978B2Diagnostic system for a battery systemLG CHEMICAL LTD·Filed 2017·Granted May 7, 2019·0 cites·12 claims
- 5069US10148100B2Diagnostic system for a battery systemLG CHEMICAL LTD·Filed 2017·Granted Dec 4, 2018·0 cites·16 claims
Showing the top 50 of 127 patent records by PatentIndex Score.
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