Inventor · disambiguated record
Gehan Anil Joseph Amaratunga
Also filed as: AMARATUNGA GEHAN A · AMARATUNGA GEHAN A J · AMARATUNGA GEHAN ANIL JOSEPH
39 granted patents·1,308 citations·filing 1994–2021
98Inventor score
Files withCAMBRIDGE SEMICONDUCTOR LTD11SOLARCITY CORP7FUJI ELECTRIC CO LTD3CHISENGA LESLEY2DYNEX SEMICONDUCTOR LTD2
Top patents by PatentIndex Score
39 records- 0197US8405367B2Power conditioning unitsCHISENGA LESLEY·Filed 2010·Granted Mar 26, 2013·176 cites·20 claims
- 0297US8405248B2Power supply circuitsMUMTAZ ASIM·Filed 2010·Granted Mar 26, 2013·154 cites·12 claims
- 0396US8067855B2Power supply circuitsMUMTAZ ASIM·Filed 2004·Granted Nov 29, 2011·225 cites·11 claims
- 0496US6703684B2Semiconductor device and method of forming a semiconductor deviceCAMBRIDGE SEMICONDUCTOR LTD·Filed 2001·Granted Mar 9, 2004·92 cites·35 claims
- 0595US7235439B2Method of forming a MOS-controllable power semiconductor device for use in an integrated circuitCAMBRIDGE SEMICONDUCTOR LTD·Filed 2005·Granted Jun 26, 2007·31 cites·7 claims
- 0693US8310101B2Grid synchronisationAMARATUNGA GEHAN ANIL JOSEPH·Filed 2008·Granted Nov 13, 2012·155 cites·18 claims
- 0793US7531993B2Half bridge circuit and method of operating a half bridge circuitCAMBRIDGE SEMICONDUCTOR LTD·Filed 2007·Granted May 12, 2009·34 cites·16 claims
- 0889US7589379B2Power semiconductor and method of fabricationCAMBRIDGE SEMICONDUCTOR LTD·Filed 2004·Granted Sep 15, 2009·45 cites·17 claims
- 0989US6927102B2Semiconductor device and method of forming a semiconductor deviceCAMBRIDGE SEMICONDUCTOR LTD·Filed 2003·Granted Aug 9, 2005·37 cites·6 claims
- 1088US5489787ASemiconductor device having an insulated gate field effect transistor and exhibiting thyristor actionPHILIPS CORP·Filed 1994·Granted Feb 6, 1996·79 cites·14 claims
- 1187US9270191B2Power condition units with MPPTSOLARCITY CORP·Filed 2013·Granted Feb 23, 2016·6 cites·9 claims
- 1286US6445054B1Semiconductor deviceDYNEX SEMICONDUCTOR LTD·Filed 2000·Granted Sep 3, 2002·51 cites·19 claims
- 1381US6900518B2Semiconductor deviceCAMBRIDGE SEMICONDUCTOR LTD·Filed 2003·Granted May 31, 2005·20 cites·35 claims
- 1479US6566240B2Semiconductor device and method of forming a semiconductor deviceCAMBRIDGE SEMICONDUCTOR LTD·Filed 2001·Granted May 20, 2003·22 cites·10 claims
- 1579US6469425B1Electron emission film and field emission cold cathode deviceTOSHIBA KK·Filed 2000·Granted Oct 22, 2002·20 cites·14 claims
- 1677US7679160B2Semiconductor device and method of forming a semiconductor deviceCAMBRIDGE SEMICONDUCTOR LTD·Filed 2005·Granted Mar 16, 2010·7 cites·31 claims
- 1774US6426520B1Semiconductor deviceDYNEX SEMICONDUCTOR LTD·Filed 2000·Granted Jul 30, 2002·23 cites·20 claims
- 1873US6091107ASemiconductor devicesMITEL SEMICONDUCTOR LTD·Filed 1998·Granted Jul 18, 2000·35 cites·24 claims
- 1971US6259134B1Trench thyristor with improved breakdown voltage characteristicsMITEL SEMICONDUCTOR LTD·Filed 1998·Granted Jul 10, 2001·31 cites·19 claims
- 2069US11303134B2Grid synchronisationTESLA INC·Filed 2021·Granted Apr 12, 2022·0 cites·11 claims
- 2167US10291032B2Power supply circuitsSOLARCITY CORP·Filed 2016·Granted May 14, 2019·1 cites·16 claims
- 2267US8053783B2Switching deviceELEMENT SIX LTD·Filed 2005·Granted Nov 8, 2011·2 cites·35 claims
- 2367US7411272B2Semiconductor device and method of forming a semiconductor deviceCAMBRIDGE SEMICONDUCTOR LTD·Filed 2005·Granted Aug 12, 2008·2 cites·17 claims
- 2467US7230314B2Semiconductor device and method of forming a semiconductor deviceCAMBRIDGE SEMICONDUCTOR LTD·Filed 2003·Granted Jun 12, 2007·11 cites·15 claims
- 2564US8304316B2Semiconductor device and method of forming a semiconductor deviceUDREA FLORIN·Filed 2007·Granted Nov 6, 2012·2 cites·22 claims
- 2662US9997923B2Grid synchronisationSOLARCITY CORP·Filed 2012·Granted Jun 12, 2018·1 cites·17 claims
- 2761US9425623B2Power supply circuitsSOLARCITY CORP·Filed 2013·Granted Aug 23, 2016·1 cites·19 claims
- 2861US8531857B2Power supply device and method for driving the sameSOENO AKITAKA·Filed 2008·Granted Sep 10, 2013·2 cites·13 claims
- 2959US6693340B1Lateral semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2001·Granted Feb 17, 2004·10 cites·18 claims
- 3058US10903658B2Grid synchronisationSOLARCITY CORP·Filed 2018·Granted Jan 26, 2021·0 cites·19 claims
- 3156US10193467B2Power conditioning unitsTESLA INC·Filed 2017·Granted Jan 29, 2019·0 cites·20 claims
- 3253US9812980B2Power conditioning unitsSOLARCITY CORP·Filed 2016·Granted Nov 7, 2017·0 cites·20 claims
- 3351US10418818B2Solar photovoltaic systemsSOLARCITY CORP·Filed 2015·Granted Sep 17, 2019·0 cites·19 claims
- 3450US5925900AEmitter-switched thyristor having a floating ohmic contactFUJI ELECTRIC CO LTD·Filed 1995·Granted Jul 20, 1999·13 cites·19 claims
- 3548US7355226B2Power semiconductor and method of fabricationCAMBRIDGE SEMICONDUCTOR LTD·Filed 2006·Granted Apr 8, 2008·0 cites·12 claims
- 3646US9276409B2Solar photovoltaic systemsCHISENGA LESLEY·Filed 2011·Granted Mar 1, 2016·0 cites·20 claims
- 3744US7794784B2Forming nanostructuresBAE SYSTEMS PLC·Filed 2004·Granted Sep 14, 2010·2 cites·22 claims
- 3843US5744830ASemiconductor deviceFUJI ELECTRIC CO LTD·Filed 1995·Granted Apr 28, 1998·11 cites·13 claims
- 3938US6853127B1Field emission cathode and field emission displayUNIV LIVERPOOL·Filed 1999·Granted Feb 8, 2005·7 cites·24 claims
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