Inventor · disambiguated record
Sai S. V. Rajagopalan
Also filed as: RAJAGOPALAN SAI · RAJAGOPALAN SAI S · RAJAGOPALAN SAI S V
17 granted patents·138 citations·filing 2008–2017
92Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC8GM GLOBAL TECH OPERATIONS INC4RAJAGOPALAN SAI S V4BAYER ETHAN E1
Top patents by PatentIndex Score
17 records- 0197US9739624B2Vehicle power management utilizing operator schedule dataGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Aug 22, 2017·31 cites·19 claims
- 0297US8694197B2Gain/amplitude diagnostics of NOx sensorsRAJAGOPALAN SAI S V·Filed 2011·Granted Apr 8, 2014·53 cites·18 claims
- 0394US9689339B2Engine torque control with fuel massGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jun 27, 2017·8 cites·13 claims
- 0492US9689321B2Engine torque control with combustion phasingGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jun 27, 2017·6 cites·16 claims
- 0592US8930121B2Offset and slow response diagnostic methods for NOx sensors in vehicle exhaust treatment applicationsRAJAGOPALAN SAI S V·Filed 2011·Granted Jan 6, 2015·13 cites·12 claims
- 0684US9664135B2Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion modeGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted May 30, 2017·4 cites·12 claims
- 0783US9617930B2Method and system for controlling a powertrainGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Apr 11, 2017·5 cites·5 claims
- 0875US8776737B2Spark ignition to homogenous charge compression ignition transition control systems and methodsBAYER ETHAN E·Filed 2012·Granted Jul 15, 2014·6 cites·18 claims
- 0974US10207699B2Hybrid vehicle propulsion systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Feb 19, 2019·2 cites·20 claims
- 1074US9394838B2Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion modeGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jul 19, 2016·3 cites·14 claims
- 1166US7937209B2Air fuel ratio control system for internal combustion enginesGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted May 3, 2011·5 cites·32 claims
- 1258US8224557B2Control systems and methods using geometry based exhaust mixing modelRAJAGOPALAN SAI S V·Filed 2010·Granted Jul 17, 2012·1 cites·20 claims
- 1355US9470154B2Transition from homogeneous charge compression ignition combustion mode to spark ignited combustionGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Oct 18, 2016·1 cites·20 claims
- 1445US9644543B2Prediction of intake manifold pressure in an engine systemGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted May 9, 2017·0 cites·18 claims
- 1545US8346458B2Compensating for random catalyst behaviorGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Jan 1, 2013·0 cites·20 claims
- 1641US8571785B2Universal tracking air-fuel regulator for internal combustion enginesRAJAGOPALAN SAI S V·Filed 2008·Granted Oct 29, 2013·0 cites·20 claims
- 1741US7925421B2Off-line calibration of universal tracking air fuel ratio regulatorsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Apr 12, 2011·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →