Inventor · disambiguated record
Leif Lund
Also filed as: LUND LEIF · LUND LEIF O
81 granted patents·2 pending applications·2,323 citations·filing 1992–2018
99Inventor score
Top patents by PatentIndex Score
83 records- 0198US9450478B1Load responsive jitterPOWER INTEGRATIONS INC·Filed 2015·Granted Sep 20, 2016·25 cites·14 claims
- 0298US6366481B1Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 2000·Granted Apr 2, 2002·111 cites·12 claims
- 0398US6304462B1Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 2000·Granted Oct 16, 2001·104 cites·34 claims
- 0498US6229366B1Off-line converter with integrated softstart and frequency jitterPOWER INTEGRATIONS INC·Filed 2000·Granted May 8, 2001·142 cites·18 claims
- 0597US9979296B2Load responsive jitterPOWER INTEGRATIONS INC·Filed 2016·Granted May 22, 2018·15 cites·13 claims
- 0697US7893754B1Temperature independent reference circuitPOWER INTEGRATIONS INC·Filed 2009·Granted Feb 22, 2011·29 cites·7 claims
- 0797US6538908B2Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 2002·Granted Mar 25, 2003·84 cites·34 claims
- 0897US6462971B1Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 1999·Granted Oct 8, 2002·104 cites·21 claims
- 0997US6356464B1Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 2000·Granted Mar 12, 2002·94 cites·8 claims
- 1097US6297623B1Off-line converter with digital controlPOWER INTEGRATIONS INC·Filed 2000·Granted Oct 2, 2001·107 cites·10 claims
- 1196US8278994B2Temperature independent reference circuitKUNG DAVID·Filed 2012·Granted Oct 2, 2012·14 cites·18 claims
- 1296US8194421B2Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converterDJENGUERIAN ALEX B·Filed 2011·Granted Jun 5, 2012·14 cites·9 claims
- 1396US7999606B2Temperature independent reference circuitPOWER INTERGRATIONS INC·Filed 2011·Granted Aug 16, 2011·17 cites·13 claims
- 1496US7995359B2Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converterPOWER INTEGRATIONS INC·Filed 2009·Granted Aug 9, 2011·37 cites·36 claims
- 1596US7253997B2Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 2005·Granted Aug 7, 2007·39 cites·7 claims
- 1696US6643153B2Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 2003·Granted Nov 4, 2003·65 cites·18 claims
- 1796US6249876B1Frequency jittering control for varying the switching frequency of a power supplyPOWER INTEGRATIONS INC·Filed 1998·Granted Jun 19, 2001·197 cites·32 claims
- 1896US6147883AOutput feedback and under-voltage detectionPOWER INTEGRATIONS INC·Filed 1998·Granted Nov 14, 2000·108 cites·20 claims
- 1995US7099128B2Fault condition protectionPOWER INTEGRATIONS INC·Filed 2003·Granted Aug 29, 2006·33 cites·14 claims
- 2095US7038439B2Off-line converter with digital controlPOWER INTEGRATIONS INC·Filed 2005·Granted May 2, 2006·33 cites·7 claims
- 2195US6914793B2Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 2003·Granted Jul 5, 2005·62 cites·19 claims
- 2295US6313976B1Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 2000·Granted Nov 6, 2001·64 cites·8 claims
- 2394US6351398B1Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 2000·Granted Feb 26, 2002·56 cites·29 claims
- 2493US8482938B2Method and apparatus providing a multi-function terminal for a power supply controllerBALAKRISHNAN BALU·Filed 2010·Granted Jul 9, 2013·8 cites·17 claims
- 2593US6107851AOffline converter with integrated softstart and frequency jitterPOWER INTEGRATIONS INC·Filed 1998·Granted Aug 22, 2000·94 cites·18 claims
- 2692US9331587B2Power converter controller with multiple power sourcesPOWER INTEGRATIONS INC·Filed 2013·Granted May 3, 2016·12 cites·22 claims
- 2791US8115465B2Method and apparatus for a high voltage power supply circuitPARK CHAN WOONG·Filed 2011·Granted Feb 14, 2012·10 cites·10 claims
- 2890US8669751B2Power supply controller with input voltage compensation for efficiency and maximum power outputBALAKRISHNAN BALU·Filed 2012·Granted Mar 11, 2014·8 cites·18 claims
- 2990US8427848B2Variable time clamp for a power supply controllerLUND LEIF·Filed 2010·Granted Apr 23, 2013·10 cites·25 claims
- 3090US8125265B2Temperature independent reference circuitKUNG DAVID·Filed 2011·Granted Feb 28, 2012·7 cites·25 claims
- 3190US6747444B2Off-line converter with digital controlPOWER INTEGRATIONS INC·Filed 2003·Granted Jun 8, 2004·45 cites·7 claims
- 3290US6687101B2Fault condition protectionPOWER INTEGRATIONS INC·Filed 2002·Granted Feb 3, 2004·20 cites·14 claims
- 3390US6438003B1Output feedback and under-voltage detection system that senses an input current representing a voltage inputPOWER INTEGRATIONS INC·Filed 2000·Granted Aug 20, 2002·44 cites·18 claims
- 3489US10284100B2Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converterPOWER INTEGRATIONS INC·Filed 2018·Granted May 7, 2019·3 cites·23 claims
- 3589US9455621B2Controller IC with zero-crossing detector and capacitor discharge switching elementPOWER INTEGRATIONS INC·Filed 2013·Granted Sep 27, 2016·8 cites·11 claims
- 3689US8710817B2Off-line converter with digital controlBALAKRISHNAN BALU·Filed 2012·Granted Apr 29, 2014·6 cites·10 claims
- 3789US8222882B2Power supply controller with input voltage compensation for efficiency and maximum power outputBALAKRISHNAN BALU·Filed 2009·Granted Jul 17, 2012·21 cites·10 claims
- 3889US7248029B2Off-line converter with digital controlPOWER INTEGRATIONS INC·Filed 2006·Granted Jul 24, 2007·17 cites·8 claims
- 3988US6608471B2Off-line converter with digital controlPOWER INTEGRATIONS INC·Filed 2002·Granted Aug 19, 2003·40 cites·58 claims
- 4088US6414471B1Off-line converter with digital controlPOWER INTEGRATIONS INC·Filed 2001·Granted Jul 2, 2002·41 cites·34 claims
- 4187US7881027B2Fault condition protectionPOWER INTEGRATIONS INC·Filed 2010·Granted Feb 1, 2011·5 cites·14 claims
- 4287US7596005B2Method and apparatus providing a multi-function terminal for a power supply controllerPOWER INTEGRATIONS INC·Filed 2007·Granted Sep 29, 2009·12 cites·21 claims
- 4387US7477534B2Off-line converter with digital controlPOWER INTEGRATIONS INC·Filed 2007·Granted Jan 13, 2009·14 cites·7 claims
- 4487US6876181B1Off-line converter with digital controlPOWER INTEGRATIONS INC·Filed 2004·Granted Apr 5, 2005·33 cites·7 claims
- 4587US6337788B1Fault condition protectionPOWER INTEGRATIONS INC·Filed 1998·Granted Jan 8, 2002·47 cites·41 claims
- 4686US8913407B2Method and apparatus to regulate an output voltage of a power converter at light/no load conditionsPOWER INTEGRATIONS INC·Filed 2013·Granted Dec 16, 2014·6 cites·14 claims
- 4786US8159843B2Method and apparatus to regulate an output voltage of a power converter at light/no load conditionsLUND LEIF·Filed 2009·Granted Apr 17, 2012·18 cites·36 claims
- 4885US7446988B2Fault condition protectionPOWER INTEGRATIONS INC·Filed 2006·Granted Nov 4, 2008·12 cites·14 claims
- 4985US6580622B2Output feedback and under-voltage detection systemPOWER INTEGRATIONS INC·Filed 2002·Granted Jun 17, 2003·33 cites·8 claims
- 5084US10079544B2Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converterPOWER INTEGRATIONS INC·Filed 2017·Granted Sep 18, 2018·2 cites·23 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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