Inventor · disambiguated record
Ravishankar Ramamurthy
Also filed as: RAMAMURTHY RAVISHANKAR
30 granted patents·6 pending applications·494 citations·filing 2001–2025
97Inventor score
Files withMICROSOFT TECHNOLOGY LICENSING LLC11MICROSOFT CORP9DETROIT DIESEL CORP5RAMAMURTHY RAVISHANKAR4BRUNO NICOLAS2
Top patents by PatentIndex Score
36 records- 0197US10073981B2Controlling secure processing of confidential data in untrusted devicesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Sep 11, 2018·40 cites·20 claims
- 0295US6725848B2Method of controlling exhaust gas recirculation system based upon humidityDETROIT DIESEL CORP·Filed 2002·Granted Apr 27, 2004·61 cites·20 claims
- 0393US7685194B2Fine-grained access control in a database by preventing information leakage and removing redundancyMICROSOFT CORP·Filed 2006·Granted Mar 23, 2010·52 cites·18 claims
- 0493US6681171B2Condensation control for internal combustion engines using EGRDETROIT DIESEL CORP·Filed 2001·Granted Jan 20, 2004·98 cites·33 claims
- 0592US10396991B2Controlling verification of key-value storesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Aug 27, 2019·10 cites·21 claims
- 0691US8190595B2Flexible query hints in a relational databaseBRUNO NICOLAS·Filed 2009·Granted May 29, 2012·28 cites·20 claims
- 0789US7739269B2Incremental repair of query plansMICROSOFT CORP·Filed 2007·Granted Jun 15, 2010·22 cites·17 claims
- 0888US9747456B2Secure query processing over encrypted dataMICROSOFT CORP·Filed 2013·Granted Aug 29, 2017·9 cites·20 claims
- 0988US9213867B2Secure cloud database platform with encrypted database queriesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2012·Granted Dec 15, 2015·11 cites·19 claims
- 1087US7437874B2System and method for backpressure compensation for controlling exhaust gas particulate emissionsDETROIT DIESEL CORP·Filed 2005·Granted Oct 21, 2008·31 cites·20 claims
- 1186US8185519B2Techniques for exact cardinality query optimizationCHAUDHURI SURAJIT·Filed 2009·Granted May 22, 2012·16 cites·18 claims
- 1284US7454407B2Techniques for estimating progress of database queriesMICROSOFT CORP·Filed 2005·Granted Nov 18, 2008·14 cites·14 claims
- 1378US7958114B2Detecting estimation errors in dictinct page countsMICROSOFT CORP·Filed 2008·Granted Jun 7, 2011·5 cites·21 claims
- 1478US7079938B2Influence of engine parameters on condensation protection strategiesDETROIT DIESEL CORP·Filed 2003·Granted Jul 18, 2006·24 cites·14 claims
- 1577US2025390399A1Access management and database recovery for encrypted indexesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2025·Application pending·0 cites
- 1676US8694551B2Auditing queries using query differentialsRAMAMURTHY RAVISHANKAR·Filed 2010·Granted Apr 8, 2014·8 cites·20 claims
- 1773US6934621B2Re-entry strategy from boost mode to EGR modeDETROIT DIESEL CORP·Filed 2003·Granted Aug 23, 2005·29 cites·15 claims
- 1872US7493337B2Query progress estimationMICROSOFT CORP·Filed 2004·Granted Feb 17, 2009·26 cites·43 claims
- 1969US10496833B2Controlling secure processing of confidential data in untrusted devicesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2018·Granted Dec 3, 2019·1 cites·20 claims
- 2066US8931265B2Closed loop temperature control in the SCR warm up mode to reduce emission variationRAMAMURTHY RAVISHANKAR·Filed 2012·Granted Jan 13, 2015·3 cites·18 claims
- 2164US11232214B2Secure data processing on sensitive data using trusted hardwareMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2020·Granted Jan 25, 2022·0 cites·13 claims
- 2259US8108154B2NOx emission estimation systems and methodsRAMAMURTHY RAVISHANKAR·Filed 2008·Granted Jan 31, 2012·4 cites·20 claims
- 2358US10671736B2Secure data processing on sensitive data using trusted hardwareMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Jun 2, 2020·0 cites·15 claims
- 2456US11849045B2Controlling verification of key-value storesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Dec 19, 2023·0 cites·20 claims
- 2555US12493532B2System and method for database recovery for encrypted indexesMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Dec 9, 2025·0 cites·20 claims
- 2654US7637107B2Engine backpressure compensation system for stable emissionsGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Dec 29, 2009·2 cites·20 claims
- 2751US2014281511A1Secure data processing on sensitive data using trusted hardwareMICROSOFT CORP·Filed 2013·Application pending·0 cites
- 2847US2009094191A1Exploiting execution feedback for optimizing choice of access methodsMICROSOFT CORP·Filed 2007·Application pending·0 cites
- 2946US10572442B2Systems and methods for providing distributed tree traversal using hardware-based processingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Feb 25, 2020·0 cites·20 claims
- 3046US9953184B2Customized trusted computer for secure data processing and storageMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Apr 24, 2018·0 cites·20 claims
- 3145US2009083238A1Stop-and-restart style execution for long running decision support queriesMICROSOFT CORP·Filed 2007·Application pending·0 cites
- 3244US10838957B2Slicing relational queries using spool operatorsBRUNO NICOLAS·Filed 2010·Granted Nov 17, 2020·0 cites·20 claims
- 3344US7987672B2Turbocharger protection systems and methodsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Aug 2, 2011·0 cites·18 claims
- 3438US2013132352A1Efficient fine-grained auditing for complex database queriesKAUSHIK SHRIRAGHAV·Filed 2011·Application pending·0 cites
- 3531US8630998B2Framework for testing query transformation rulesNARASAYYA VIVEK R·Filed 2010·Granted Jan 14, 2014·0 cites·20 claims
- 3630US2012150877A1Efficient database compressionRAMAMURTHY RAVISHANKAR·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →