Assignee
SANKEN ELECTRIC CO LTD
JP·493 granted patents·129 pending applications·7,008 citations·filing 1975–2025
Top patents by PatentIndex Score
622 records- 0197US7985987B2Field-effect semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2010·Granted Jul 26, 2011·47 cites·9 claims
- 0297US7714360B2Surface-stabilized semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2007·Granted May 11, 2010·64 cites·7 claims
- 0397US7323723B2Semiconductor light-emitting device using phosphors for performing wavelength conversionSANKEN ELECTRIC CO LTD·Filed 2002·Granted Jan 29, 2008·244 cites·16 claims
- 0497US7120036B2Switching-mode power supply having a synchronous rectifierSANKEN ELECTRIC CO LTD·Filed 2006·Granted Oct 10, 2006·67 cites·21 claims
- 0597US6519165B2Dc-to-dc converterSANKEN ELECTRIC CO LTD·Filed 2001·Granted Feb 11, 2003·207 cites·14 claims
- 0696US7852137B2Normally-off electronic switching device for on-off control of electric circuitSANKEN ELECTRIC CO LTD·Filed 2008·Granted Dec 14, 2010·44 cites·13 claims
- 0796US7777254B2Normally-off field-effect semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2008·Granted Aug 17, 2010·58 cites·6 claims
- 0896US6683448B1Large current detector having a hall-effect deviceSANKEN ELECTRIC CO LTD·Filed 2000·Granted Jan 27, 2004·109 cites·15 claims
- 0995US7982242B2Warp-free semiconductor wafer, and devices using the sameSANKEN ELECTRIC CO LTD·Filed 2009·Granted Jul 19, 2011·37 cites·6 claims
- 1095US7859021B2Field-effect semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2008·Granted Dec 28, 2010·62 cites·18 claims
- 1195US6989665B2Electric current detector with hall effect sensorSANKEN ELECTRIC CO LTD·Filed 2003·Granted Jan 24, 2006·72 cites·10 claims
- 1295US6972970B2Dc-to-dc converterSANKEN ELECTRIC CO LTD·Filed 2005·Granted Dec 6, 2005·64 cites·8 claims
- 1395US6462531B1Current detector having a hall-effect deviceSANKEN ELECTRIC CO LTD·Filed 2000·Granted Oct 8, 2002·107 cites·12 claims
- 1495US6424018B1Semiconductor device having a hall-effect elementSANKEN ELECTRIC CO LTD·Filed 1999·Granted Jul 23, 2002·115 cites·7 claims
- 1594US9929265B1Semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2017·Granted Mar 27, 2018·14 cites·6 claims
- 1694US9368696B1Light emitting deviceSANKEN ELECTRIC CO LTD·Filed 2015·Granted Jun 14, 2016·17 cites·5 claims
- 1794US7825435B2Diode-like composite semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2008·Granted Nov 2, 2010·34 cites·13 claims
- 1894US7535736B2Switching power supply for reducing external parts for overcurrent protectionSANKEN ELECTRIC CO LTD·Filed 2007·Granted May 19, 2009·48 cites·8 claims
- 1994US7315460B2Switching power supply deviceSANKEN ELECTRIC CO LTD·Filed 2006·Granted Jan 1, 2008·54 cites·8 claims
- 2094US6472765B1Plastic encapsulated semiconductor light emitting device with a cover of fluorescent particlesSANKEN ELECTRIC CO LTD·Filed 2000·Granted Oct 29, 2002·160 cites·8 claims
- 2194US6445598B1Dc-dc converterSANKEN ELECTRIC CO LTD·Filed 2000·Granted Sep 3, 2002·104 cites·27 claims
- 2293US10020373B1Semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2017·Granted Jul 10, 2018·17 cites·10 claims
- 2393US9391136B1Semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2015·Granted Jul 12, 2016·13 cites·6 claims
- 2493US7868353B2Solid-state switch capable of bidirectional operationSANKEN ELECTRIC CO LTD·Filed 2009·Granted Jan 11, 2011·28 cites·10 claims
- 2593US7768801B2Current resonant DC-DC converter of multi-output typeSANKEN ELECTRIC CO LTD·Filed 2005·Granted Aug 3, 2010·81 cites·16 claims
- 2693US7405431B2Light-emitting semiconductor device having an overvoltage protectorSANKEN ELECTRIC CO LTD·Filed 2005·Granted Jul 29, 2008·42 cites·14 claims
- 2793US7394670B2Switching power sourceSANKEN ELECTRIC CO LTD·Filed 2005·Granted Jul 1, 2008·48 cites·14 claims
- 2893US7391631B2Switching power source deviceSANKEN ELECTRIC CO LTD·Filed 2006·Granted Jun 24, 2008·32 cites·3 claims
- 2993US7339804B2DC-DC converterSANKEN ELECTRIC CO LTD·Filed 2006·Granted Mar 4, 2008·50 cites·4 claims
- 3093US7035119B2Switching power source deviceSANKEN ELECTRIC CO LTD·Filed 2003·Granted Apr 25, 2006·98 cites·11 claims
- 3193US6841989B2Hall-effect current detectorSANKEN ELECTRIC CO LTD·Filed 2002·Granted Jan 11, 2005·84 cites·13 claims
- 3293US6842350B2Dc-to-dc converter with flyback period detector circuitSANKEN ELECTRIC CO LTD·Filed 2004·Granted Jan 11, 2005·115 cites·17 claims
- 3393US6756731B1Semiconductor light emitting device resistible to ultraviolet lightSANKEN ELECTRIC CO LTD·Filed 2000·Granted Jun 29, 2004·87 cites·18 claims
- 3493US6714425B2Power factor corrected SMPS with light and heavy load control modesSANKEN ELECTRIC CO LTD·Filed 2002·Granted Mar 30, 2004·126 cites·9 claims
- 3592US9698217B1Semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2016·Granted Jul 4, 2017·13 cites·2 claims
- 3692US9270177B1Switching power-supply deviceSANKEN ELECTRIC CO LTD·Filed 2014·Granted Feb 23, 2016·13 cites·11 claims
- 3792US7304356B2IGBT or like semiconductor device of high voltage-withstanding capabilitySANKEN ELECTRIC CO LTD·Filed 2006·Granted Dec 4, 2007·24 cites·4 claims
- 3892US7304867B2DC-DC converter of multi-output typeSANKEN ELECTRIC CO LTD·Filed 2006·Granted Dec 4, 2007·38 cites·9 claims
- 3992US6812687B1Semiconductor current detector of improved noise immunitySANKEN ELECTRIC CO LTD·Filed 2000·Granted Nov 2, 2004·79 cites·5 claims
- 4092US6791313B2Electrical current detector having a U-shaped current path and hall-effect deviceSANKEN ELECTRIC CO LTD·Filed 2003·Granted Sep 14, 2004·65 cites·6 claims
- 4192US6759841B2Hall-effect current detectorSANKEN ELECTRIC CO LTD·Filed 2002·Granted Jul 6, 2004·83 cites·7 claims
- 4292US6727683B2Hall-effect current detectorSANKEN ELECTRIC CO LTD·Filed 2002·Granted Apr 27, 2004·74 cites·12 claims
- 4392US6545457B2Current detector utilizing hall effectSANKEN ELECTRIC CO LTD·Filed 2001·Granted Apr 8, 2003·98 cites·6 claims
- 4490US9973089B1Interleaved DC-DC converter and semiconductor device having interleaved DC-DC converterSANKEN ELECTRIC CO LTD·Filed 2017·Granted May 15, 2018·13 cites·17 claims
- 4590US7652282B2Semiconductor wafer, devices made therefrom, and method of fabricationSANKEN ELECTRIC CO LTD·Filed 2008·Granted Jan 26, 2010·23 cites·22 claims
- 4690US7176480B2Light-emitting semiconductor device having a quantum well active layer, and method of fabricationSANKEN ELECTRIC CO LTD·Filed 2005·Granted Feb 13, 2007·26 cites·9 claims
- 4790US7173311B2Light-emitting semiconductor device with a built-in overvoltage protectorSANKEN ELECTRIC CO LTD·Filed 2005·Granted Feb 6, 2007·26 cites·21 claims
- 4890US6980446B2Circuit for starting power source apparatusSANKEN ELECTRIC CO LTD·Filed 2003·Granted Dec 27, 2005·83 cites·17 claims
- 4990US6515876B2Dc-to-dc converterSANKEN ELECTRIC CO LTD·Filed 2001·Granted Feb 4, 2003·89 cites·16 claims
- 5089US9391194B1High voltage vertical FPMOS fetsSANKEN ELECTRIC CO LTD·Filed 2015·Granted Jul 12, 2016·8 cites·20 claims
Showing the top 50 of 622 patent records by PatentIndex Score.
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