Inventor · disambiguated record
Robert H. Isham
Also filed as: ISHAM II ROBERT HAYNES · ISHAM ROBERT · ISHAM ROBERT H · ISHAM ROBERT HAYNES
68 granted patents·3 pending applications·1,369 citations·filing 1976–2019
99Inventor score
Top patents by PatentIndex Score
71 records- 0199US6246220B1Synchronous-rectified DC to DC converter with improved current sensingINTERSIL CORP·Filed 2000·Granted Jun 12, 2001·176 cites·18 claims
- 0299US6181120B1Current mode dc/dc converter with controlled output impedanceINTERSIL CORP·Filed 2000·Granted Jan 30, 2001·145 cites·12 claims
- 0397US6278263B1Multi-phase converter with balanced currentsINTERSIL CORP·Filed 2000·Granted Aug 21, 2001·132 cites·18 claims
- 0494USRE38940ESynchronous-rectified DC to DC converter with improved current sensingINTERSIL COMMUNICATIONS INC·Filed 2002·Granted Jan 24, 2006·50 cites·36 claims
- 0594US6700365B2Programmable current-sensing circuit providing discrete step temperature compensation for DC-DC converterINTERSIL INC·Filed 2002·Granted Mar 2, 2004·73 cites·20 claims
- 0691US7936540B2DC-DC converters having improved current sensing and related methodsINTERSIL INC·Filed 2010·Granted May 3, 2011·9 cites·19 claims
- 0790US7453246B2Adaptive PWM pulse positioning for fast transient responseINTERSIL INC·Filed 2006·Granted Nov 18, 2008·32 cites·20 claims
- 0890US7453250B2PWM controller with dual-edge modulation using dual rampsINTERSIL INC·Filed 2005·Granted Nov 18, 2008·35 cites·24 claims
- 0990USRE38487ESynchronous-rectified DC to DC converter with improved current sensingINTERSIL COMMUNICATIONS INC·Filed 2002·Granted Apr 6, 2004·38 cites·42 claims
- 1090US6249446B1Cascadable, high efficiency charge pump circuit and related methodsINTERSIL INC·Filed 2000·Granted Jun 19, 2001·72 cites·22 claims
- 1189US8188721B2Active pulse positioning modulatorISHAM ROBERT H·Filed 2009·Granted May 29, 2012·18 cites·22 claims
- 1289US6696825B2DC-to-DC converter with fast override feedback control and associated methodsINTERSIL INC·Filed 2002·Granted Feb 24, 2004·64 cites·37 claims
- 1388USRE46419EActive pulse positioning modulatorINTERSIL INC·Filed 2014·Granted May 30, 2017·7 cites·26 claims
- 1488US7679218B1Load compensated switching regulatorINTERSIL INC·Filed 2008·Granted Mar 16, 2010·22 cites·20 claims
- 1588US7592787B2Adaptive firing order control for dynamic current balance of multiphase voltage regulatorsINTERSIL INC·Filed 2007·Granted Sep 22, 2009·27 cites·20 claims
- 1688US6765372B2Programmable current-sensing circuit providing continuous temperature compensation for DC-DC ConverterINTERSIL INC·Filed 2002·Granted Jul 20, 2004·50 cites·24 claims
- 1785US10250138B2Digital voltage compensation for power supply integrated circuitsIntersil Americas LLC·Filed 2017·Granted Apr 2, 2019·3 cites·18 claims
- 1884US8085017B2Pulse adding scheme for smooth phase dropping at light load conditions for multiphase voltage regulatorsQIU WEIHONG·Filed 2010·Granted Dec 27, 2011·6 cites·20 claims
- 1984US7868600B2Adaptive PWM pulse positioning for fast transient responseINTERSIL INC·Filed 2008·Granted Jan 11, 2011·20 cites·20 claims
- 2084US7345463B2Load compensated switching regulatorINTERSIL INC·Filed 2006·Granted Mar 18, 2008·16 cites·17 claims
- 2181US7812581B2Pulse adding scheme for smooth phase dropping at light load conditions for multiphase voltage regulatorsINTERSIL INC·Filed 2007·Granted Oct 12, 2010·14 cites·17 claims
- 2281US7541797B2Control of a DC power supplyINTERSIL INC·Filed 2008·Granted Jun 2, 2009·10 cites·21 claims
- 2381US7489121B2Compensation offset adjustment scheme for fast reference voltage transitioningINTERSIL INC·Filed 2006·Granted Feb 10, 2009·17 cites·20 claims
- 2480US9685861B2Digital voltage compensation for power supply integrated circuitsIntersil Americas LLC·Filed 2015·Granted Jun 20, 2017·2 cites·20 claims
- 2580US9018929B2Internal compensation for power management integrated circuitsIntersil Americas LLC·Filed 2013·Granted Apr 28, 2015·4 cites·20 claims
- 2680US6975261B1High accuracy digital to analog converter using parallel P and N type resistor laddersINTERSIL AMERICA S INC·Filed 2004·Granted Dec 13, 2005·24 cites·18 claims
- 2779US6977489B2Multiphase converter controller using single gain resistorINTERSIL INC·Filed 2003·Granted Dec 20, 2005·33 cites·20 claims
- 2878US7800352B2Controller having comp node voltage shift cancellation for improved discontinuous conduction mode (DCM) regulator performance and related methodsINTERSIL INC·Filed 2007·Granted Sep 21, 2010·13 cites·16 claims
- 2978US7088151B1High voltage gate driver using a low voltage multi-level current pulse translatorINTERSIL INC·Filed 2004·Granted Aug 8, 2006·19 cites·27 claims
- 3078USRE38454EMulti-phase converter with balanced currentsINTERSIL COMMUNICATIONS INC·Filed 2002·Granted Mar 9, 2004·25 cites·28 claims
- 3177US9118245B2Digital voltage compensation for power supply integrated circuitsIntersil Americas LLC·Filed 2013·Granted Aug 25, 2015·3 cites·20 claims
- 3277US8305067B2Controller and driver communication for switching regulatorsCHEUNG CHUN·Filed 2011·Granted Nov 6, 2012·4 cites·3 claims
- 3376US7911194B2Controller and driver communication for switching regulatorsINTERSIL INC·Filed 2010·Granted Mar 22, 2011·3 cites·9 claims
- 3474USRE42532ESynchronous-rectified DC to DC converter with improved current sensingINTERSIL INC·Filed 2006·Granted Jul 12, 2011·6 cites·28 claims
- 3573US7796365B2Method of improved current sensing in DC-DC convertersINTERSIL INC·Filed 2009·Granted Sep 14, 2010·7 cites·20 claims
- 3672US7782035B2Controller and driver communication for switching regulatorsINTERSIL INC·Filed 2007·Granted Aug 24, 2010·7 cites·7 claims
- 3771USRE38780ECurrent mode DC/DC converter with controlled output impedanceINTERSIL INC·Filed 2003·Granted Aug 23, 2005·25 cites·28 claims
- 3871US5021747ASymmetrical variable impedance apparatus employing MOS transistorsHARRIS SEMICONDUCTOR PATENTS·Filed 1989·Granted Jun 4, 1991·20 cites·20 claims
- 3970USRE40915EProgrammable current-sensing circuit providing continuous temperature compensation for DC-DC converterINTERSIL INC·Filed 2006·Granted Sep 15, 2009·7 cites·52 claims
- 4070US6703893B1Method of setting bi-directional offset in a PWM controller using a single programming pinINTERSIL INC·Filed 2002·Granted Mar 9, 2004·20 cites·20 claims
- 4169US9991792B2Current sensing with RDSON correctionIntersil Americas LLC·Filed 2014·Granted Jun 5, 2018·2 cites·20 claims
- 4269US7535211B2Voltage regulator having current canceling compensationINTERSIL INC·Filed 2006·Granted May 19, 2009·8 cites·21 claims
- 4369US7345465B2Two pin-based sensing of remote DC supply voltage differential using precision operational amplifier and diffused resistorsINTERSIL INC·Filed 2006·Granted Mar 18, 2008·6 cites·17 claims
- 4466US8363363B2DC-DC converters having improved current sensing and related methodsINTERSILL AMERICAS INC·Filed 2011·Granted Jan 29, 2013·2 cites·10 claims
- 4566USRE38906ECurrent mode DC/DC converter with controlled output impedanceINTERSIL INC·Filed 2002·Granted Dec 6, 2005·11 cites·19 claims
- 4663US2019173381A1Current sensing with rdson correctionRENESAS ELECTRONICS AMERICA INC·Filed 2019·Application pending·0 cites
- 4762US9088208B2System and method for high precision current sensingISHAM ROBERT H·Filed 2010·Granted Jul 21, 2015·2 cites·20 claims
- 4862USRE42897ECurrent mode DC/DC converter with controlled output impedanceINTERSIL INC·Filed 2005·Granted Nov 8, 2011·3 cites·22 claims
- 4962USRE38846EMulti-phase converter with balanced currentsINTERSIL COMMUNICATIONS INC·Filed 2003·Granted Oct 25, 2005·11 cites·35 claims
- 5061US8115468B2Controller and driver communication for switching regulatorsCHEUNG CHUN·Filed 2011·Granted Feb 14, 2012·1 cites·4 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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