Assignee
ALPHA & OMEGA SEMICONDUCTOR
US·424 granted patents·17 pending applications·3,177 citations·filing 1998–2021
Top patents by PatentIndex Score
441 records- 0198US9899931B1Zero voltage switching flyback converter for primary switch turn-off transitionsALPHA & OMEGA SEMICONDUCTOR·Filed 2016·Granted Feb 20, 2018·42 cites·14 claims
- 0298US9312381B1Lateral super-junction MOSFET device and termination structureALPHA & OMEGA SEMICONDUCTOR·Filed 2015·Granted Apr 12, 2016·17 cites·20 claims
- 0397US9853548B1Accurate high-side current emulation with auto-conversion for smart power stage applicationsALPHA & OMEGA SEMICONDUCTOR·Filed 2017·Granted Dec 26, 2017·25 cites·18 claims
- 0497US9697450B1Magnetic stripe data transmission system and method for reliable data transmission and low power consumptionALPHA & OMEGA SEMICONDUCTOR·Filed 2016·Granted Jul 4, 2017·68 cites·20 claims
- 0597US9685435B2Integrated snubber in a single poly MOSFETALPHA & OMEGA SEMICONDUCTOR·Filed 2016·Granted Jun 20, 2017·12 cites·17 claims
- 0697US9583586B1Transient voltage suppressor (TVS) with reduced breakdown voltageALPHA & OMEGA SEMICONDUCTOR·Filed 2015·Granted Feb 28, 2017·19 cites·22 claims
- 0797US9190512B2High density trench-based power MOSFETs with self-aligned active contacts and method for making such devicesALPHA & OMEGA SEMICONDUCTOR·Filed 2015·Granted Nov 17, 2015·20 cites·9 claims
- 0897US8809948B1Device structure and methods of making high density MOSFETs for load switch and DC-DC applicationsALPHA & OMEGA SEMICONDUCTOR·Filed 2012·Granted Aug 19, 2014·34 cites·18 claims
- 0997US7868431B2Compact power semiconductor package and method with stacked inductor and integrated circuit dieALPHA & OMEGA SEMICONDUCTOR·Filed 2009·Granted Jan 11, 2011·66 cites·28 claims
- 1097US7786837B2Semiconductor power device having a stacked discrete inductor structureALPHA & OMEGA SEMICONDUCTOR·Filed 2007·Granted Aug 31, 2010·60 cites·26 claims
- 1197US7781826B2Circuit configuration and manufacturing processes for vertical transient voltage suppressor (TVS) and EMI filterALPHA & OMEGA SEMICONDUCTOR·Filed 2006·Granted Aug 24, 2010·57 cites·12 claims
- 1297US7285822B2Power MOS deviceALPHA & OMEGA SEMICONDUCTOR·Filed 2005·Granted Oct 23, 2007·54 cites·8 claims
- 1396US9502554B2High frequency switching MOSFETs with low output capacitance using a depletable P-shieldALPHA & OMEGA SEMICONDUCTOR·Filed 2016·Granted Nov 22, 2016·12 cites·12 claims
- 1496US9356022B2Semiconductor device with termination structure for power MOSFET applicationsALPHA & OMEGA SEMICONDUCTOR·Filed 2015·Granted May 31, 2016·11 cites·23 claims
- 1596US9190408B2Semiconductor device employing trenches for active gate and isolationALPHA & OMEGA SEMICONDUCTOR·Filed 2014·Granted Nov 17, 2015·17 cites·18 claims
- 1696US8951867B2High density trench-based power MOSFETs with self-aligned active contacts and method for making such devicesALPHA & OMEGA SEMICONDUCTOR·Filed 2012·Granted Feb 10, 2015·22 cites·26 claims
- 1796US8946816B2High frequency switching MOSFETs with low output capacitance using a depletable P-shieldALPHA & OMEGA SEMICONDUCTOR·Filed 2014·Granted Feb 3, 2015·20 cites·14 claims
- 1896US7910486B2Method for forming nanotube semiconductor devicesALPHA & OMEGA SEMICONDUCTOR·Filed 2009·Granted Mar 22, 2011·45 cites·26 claims
- 1996US7884696B2Lead frame-based discrete power inductorALPHA & OMEGA SEMICONDUCTOR·Filed 2008·Granted Feb 8, 2011·39 cites·20 claims
- 2096US7880223B2Latch-up free vertical TVS diode array structure using trench isolationALPHA & OMEGA SEMICONDUCTOR·Filed 2006·Granted Feb 1, 2011·41 cites·2 claims
- 2196US7605425B2Power MOS deviceALPHA & OMEGA SEMICONDUCTOR·Filed 2007·Granted Oct 20, 2009·26 cites·16 claims
- 2296US7554839B2Symmetric blocking transient voltage suppressor (TVS) using bipolar transistor base snatchALPHA & OMEGA SEMICONDUCTOR·Filed 2006·Granted Jun 30, 2009·33 cites·20 claims
- 2396US7256446B2One time programmable memory cellALPHA & OMEGA SEMICONDUCTOR·Filed 2005·Granted Aug 14, 2007·38 cites·15 claims
- 2495US9748375B2Nano MOSFET with trench bottom oxide shielded and third dimensional P-body contactALPHA & OMEGA SEMICONDUCTOR·Filed 2016·Granted Aug 29, 2017·9 cites·9 claims
- 2595US9281368B1Split-gate trench power MOSFET with protected shield oxideALPHA & OMEGA SEMICONDUCTOR·Filed 2014·Granted Mar 8, 2016·20 cites·10 claims
- 2695US9252264B2High frequency switching MOSFETs with low output capacitance using a depletable P-shieldALPHA & OMEGA SEMICONDUCTOR·Filed 2014·Granted Feb 2, 2016·13 cites·12 claims
- 2795US9230957B2Integrated snubber in a single poly MOSFETALPHA & OMEGA SEMICONDUCTOR·Filed 2013·Granted Jan 5, 2016·16 cites·17 claims
- 2895US9214545B2Dual gate oxide trench MOSFET with channel stop trenchALPHA & OMEGA SEMICONDUCTOR·Filed 2014·Granted Dec 15, 2015·15 cites·14 claims
- 2995US9171949B1Semiconductor device including superjunction structure formed using angled implant processALPHA & OMEGA SEMICONDUCTOR·Filed 2014·Granted Oct 27, 2015·17 cites·14 claims
- 3095US9136380B2Device structure and methods of making high density MOSFETs for load switch and DC-DC applicationsALPHA & OMEGA SEMICONDUCTOR·Filed 2014·Granted Sep 15, 2015·18 cites·10 claims
- 3195US9130562B2Active ESD protection circuitALPHA & OMEGA SEMICONDUCTOR·Filed 2013·Granted Sep 8, 2015·11 cites·20 claims
- 3295US8980716B2Self aligned trench MOSFET with integrated diodeALPHA & OMEGA SEMICONDUCTOR·Filed 2013·Granted Mar 17, 2015·15 cites·10 claims
- 3395US8378420B2Vertical trench LDMOS transistorALPHA & OMEGA SEMICONDUCTOR·Filed 2012·Granted Feb 19, 2013·13 cites·2 claims
- 3495US8367501B2Oxide terminated trench MOSFET with three or four masksALPHA & OMEGA SEMICONDUCTOR·Filed 2010·Granted Feb 5, 2013·14 cites·16 claims
- 3595US7892924B1Method for making a charge balanced multi-nano shell drift region for superjunction semiconductor deviceALPHA & OMEGA SEMICONDUCTOR·Filed 2009·Granted Feb 22, 2011·39 cites·21 claims
- 3695US7879676B2High density trench mosfet with single mask pre-defined gate and contact trenchesALPHA & OMEGA SEMICONDUCTOR·Filed 2010·Granted Feb 1, 2011·18 cites·20 claims
- 3795US7851314B2Short channel lateral MOSFET and methodALPHA & OMEGA SEMICONDUCTOR·Filed 2008·Granted Dec 14, 2010·26 cites·12 claims
- 3895US7829947B2Bottom-drain LDMOS power MOSFET structure having a top drain strapALPHA & OMEGA SEMICONDUCTOR·Filed 2009·Granted Nov 9, 2010·32 cites·14 claims
- 3995US7538997B2Circuit configurations to reduce snapback of a transient voltage suppressorALPHA & OMEGA SEMICONDUCTOR·Filed 2006·Granted May 26, 2009·39 cites·11 claims
- 4094US10224411B2Lateral PNP bipolar transistor with narrow trench emitterALPHA & OMEGA SEMICONDUCTOR·Filed 2017·Granted Mar 5, 2019·7 cites·16 claims
- 4194US9653383B2Semiconductor device with thick bottom metal and preparation method thereofALPHA & OMEGA SEMICONDUCTOR·Filed 2015·Granted May 16, 2017·15 cites·4 claims
- 4294US9450088B2High density trench-based power MOSFETs with self-aligned active contacts and method for making such devicesALPHA & OMEGA SEMICONDUCTOR·Filed 2015·Granted Sep 20, 2016·8 cites·35 claims
- 4394US9355971B1EOS protection for integrated circuitsALPHA & OMEGA SEMICONDUCTOR·Filed 2015·Granted May 31, 2016·12 cites·18 claims
- 4494US9129822B2High voltage field balance metal oxide field effect transistor (FBM)ALPHA & OMEGA SEMICONDUCTOR·Filed 2014·Granted Sep 8, 2015·12 cites·12 claims
- 4594US9105494B2Termination trench for power MOSFET applicationsALPHA & OMEGA SEMICONDUCTOR·Filed 2013·Granted Aug 11, 2015·14 cites·27 claims
- 4694US9013848B2Active clamp protection circuit for power semiconductor device for high frequency switchingALPHA & OMEGA SEMICONDUCTOR·Filed 2012·Granted Apr 21, 2015·19 cites·22 claims
- 4794US8956940B2Oxide terminated trench MOSFET with three or four masksALPHA & OMEGA SEMICONDUCTOR·Filed 2014·Granted Feb 17, 2015·9 cites·22 claims
- 4894US8828857B2Approach to integrate Schottky in MOSFETALPHA & OMEGA SEMICONDUCTOR·Filed 2013·Granted Sep 9, 2014·18 cites·20 claims
- 4994US8637926B2Oxide terminated trench MOSFET with three or four masksALPHA & OMEGA SEMICONDUCTOR·Filed 2013·Granted Jan 28, 2014·11 cites·24 claims
- 5094US8354740B2Top-side cooled semiconductor package with stacked interconnection plates and methodALPHA & OMEGA SEMICONDUCTOR·Filed 2008·Granted Jan 15, 2013·27 cites·15 claims
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