Inventor · disambiguated record
Chandana Jayampathi Gajanayake
Also filed as: GAJANAYAKE CHANDANA · GAJANAYAKE CHANDANA J · GAJANAYAKE CHANDANA JAYAMPATHI
32 granted patents·16 pending applications·64 citations·filing 2014–2025
94Inventor score
Files withROLLS ROYCE PLC23ROLLS ROYCE CORP13ROLLS ROYCE NAM TECH INC5ROLLS ROYCE SINGAPORE PTE LTD5ROLLS ROYCE DEUTSCHLAND LTD & CO KG1
Top patents by PatentIndex Score
48 records- 0193US10693367B1Pre-charging circuit for power convertersROLLS ROYCE NAM TECH INC·Filed 2019·Granted Jun 23, 2020·25 cites·20 claims
- 0287US9923431B2Variable speed drive arrangementROLLS ROYCE PLC·Filed 2015·Granted Mar 20, 2018·6 cites·20 claims
- 0386US12095405B2Fault tolerant turbo-generator systemROLLS ROYCE CORP·Filed 2022·Granted Sep 17, 2024·2 cites·11 claims
- 0486US11840148B2Hybrid aircraft having rectifier with integrated protectionROLLS ROYCE CORP·Filed 2022·Granted Dec 12, 2023·2 cites·14 claims
- 0586US10680474B2Permanent magnet electrical machineROLLS ROYCE PLC·Filed 2018·Granted Jun 9, 2020·4 cites·11 claims
- 0684US11456677B2Power converter protection circuitROLLS ROYCE CORP·Filed 2020·Granted Sep 27, 2022·2 cites·20 claims
- 0784US10906658B2Energy storage system for a hybrid power systemROLLS ROYCE NAM TECH INC·Filed 2018·Granted Feb 2, 2021·5 cites·19 claims
- 0882US12328086B2Aircraft with engine-driven permanent magnet generatorROLLS ROYCE CORP·Filed 2022·Granted Jun 10, 2025·1 cites·20 claims
- 0982US11374400B2Topology of a solid state power controller with two mid-capacitorsROLLS ROYCE NAM TECH INC·Filed 2020·Granted Jun 28, 2022·1 cites·20 claims
- 1078US11671025B2Electrical power distributionROLLS ROYCE PLC·Filed 2020·Granted Jun 6, 2023·2 cites·18 claims
- 1177US11287465B2Monitoring an operating condition of a transistor-based power converterROLLS ROYCE PLC·Filed 2020·Granted Mar 29, 2022·2 cites·20 claims
- 1277US9459320B2Fault detection in brushless excitersROLLS ROYCE PLC·Filed 2014·Granted Oct 4, 2016·4 cites·13 claims
- 1374US11750140B1Detection and control of motor drive during an AC side ground faultROLLS ROYCE SINGAPORE PTE LTD·Filed 2022·Granted Sep 5, 2023·0 cites·20 claims
- 1474US11520362B2Control for a target common bus voltageROLLS ROYCE SINGAPORE PTE LTD·Filed 2021·Granted Dec 6, 2022·1 cites·20 claims
- 1570US2025380383A1Cooling system with flow regulatorsROLLS ROYCE DEUTSCHLAND LTD & CO KG·Filed 2025·Application pending·0 cites
- 1669US9035689B2Thermal controller for semiconductor switching power devicesROLLS ROYCE PLC·Filed 2014·Granted May 19, 2015·4 cites·2 claims
- 1764US11851198B2Electrically propelled aircraft with partially rated converterROLLS ROYCE SINGAPORE PTE LTD·Filed 2022·Granted Dec 26, 2023·0 cites·20 claims
- 1864US11807381B2Aircraft hybrid propulsion system including cold plate for a high density power converterSIVALINGAM KRISHNAMOORTHI·Filed 2021·Granted Nov 7, 2023·1 cites·19 claims
- 1962US10509078B2Assessment methodROLLS ROYCE PLC·Filed 2015·Granted Dec 17, 2019·1 cites·24 claims
- 2062US9910083B2Rectifier diode fault detection in brushless excitersROLLS ROYCE PLC·Filed 2014·Granted Mar 6, 2018·1 cites·17 claims
- 2160US12291996B2Energy storage system heater control methodsROLLS ROYCE CORP·Filed 2022·Granted May 6, 2025·0 cites·18 claims
- 2259US12297771B2Energy storage system heater control architectureROLLS ROYCE CORP·Filed 2022·Granted May 13, 2025·0 cites·18 claims
- 2359US12166222B2Battery pack core for fire and explosion protection for battery moduleROLLS ROYCE CORP·Filed 2021·Granted Dec 10, 2024·0 cites·16 claims
- 2455US10725107B2Brushless synchronous generator stator winding faultROLLS ROYCE PLC·Filed 2017·Granted Jul 28, 2020·0 cites·17 claims
- 2555US2022328913A1Fill material for fire and explosion protection for battery moduleROLLS ROYCE CORP·Filed 2021·Application pending·0 cites
- 2655US2022328914A1Fire and explosion resistant housing for aerospace batteryROLLS ROYCE CORP·Filed 2021·Application pending·0 cites
- 2755US2024237283A9Thermal management systemROLLS ROYCE PLC·Filed 2023·Application pending·0 cites
- 2855US2025088116A1Electrical systemROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 2954US2024417084A1Electrical systemROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 3054US2024421621A1Electrical systemROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 3153US11977131B2Fault detection for a solid state power converterROLLS ROYCE NAM TECH INC·Filed 2020·Granted May 7, 2024·0 cites·18 claims
- 3253US11588322B2Fault detection for a solid state power converterROLLS ROYCE NAM TECH INC·Filed 2020·Granted Feb 21, 2023·0 cites·20 claims
- 3353US11518538B2Control for a target common bus voltageROLLS ROYCE SINGAPORE PTE LTD·Filed 2021·Granted Dec 6, 2022·0 cites·20 claims
- 3452US11520361B2Control for a target common bus voltageROLLS ROYCE SINGAPORE PTE LTD·Filed 2021·Granted Dec 6, 2022·0 cites·17 claims
- 3551US11832390B2Multilayer copper bus bars with soldered through hole componentsROLLS ROYCE CORP·Filed 2022·Granted Nov 28, 2023·0 cites·20 claims
- 3650US11876364B2Multilayer electronic components with soldered through holesROLLS ROYCE CORP·Filed 2022·Granted Jan 16, 2024·0 cites·19 claims
- 3750US2024421701A1Converter fault protectionROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 3848US11723173B1Stacked cold plate with flow guiding vanes and method of manufacturingROLLS ROYCE CORP·Filed 2022·Granted Aug 8, 2023·0 cites·20 claims
- 3944US9964600B2Open switch fault detection and identification in a two-level voltage source power converterROLLS ROYCE PLC·Filed 2016·Granted May 8, 2018·0 cites·15 claims
- 4043US10338143B2Method and apparatus for diagnosing a fault condition in an electric machineROLLS ROYCE PLC·Filed 2017·Granted Jul 2, 2019·0 cites·20 claims
- 4143US2023257127A1Coordinated fault response in rectifiers of hybrid aircraftROLLS ROYCE CORP·Filed 2022·Application pending·0 cites
- 4242US2021143634A1Current limiting circuitROLLS ROYCE PLC·Filed 2020·Application pending·0 cites
- 4340US2019312527A1Dc-ac converter and method of dc-ac conversionROLLS ROYCE PLC·Filed 2019·Application pending·0 cites
- 4434US2014203754A1Method of controlling an ac machine and controller for controlling an ac machineROLLS ROYCE PLC·Filed 2014·Application pending·0 cites
- 4533US2016218650A1Method and system for damping torsional oscillationsROLLS ROYCE PLC·Filed 2016·Application pending·0 cites
- 4632US2016266208A1Fault detection and diagnosis in an induction motorROLLS ROYCE PLC·Filed 2016·Application pending·0 cites
- 4731US2016216334A1Fault detection and diagnosisROLLS ROYCE PLC·Filed 2016·Application pending·0 cites
- 4826US2015381081A1Controlling an ac machineROLLS ROYCE PLC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →