Inventor · disambiguated record
Richard Francis
Also filed as: FRANCIS RICHARD · FRANCIS RICHARD M · FRANCIS RICHARD W A
26 granted patents·2 pending applications·474 citations·filing 1994–2012
97Inventor score
Files withINT RECTIFIER CORP22QSPEED SEMICONDUCTOR INC2APPLE COMPUTER1FRANCIS RICHARD1MCMAHON WILLIAM1
Top patents by PatentIndex Score
28 records- 0196US6482681B1Hydrogen implant for buffer zone of punch-through non epi IGBTINT RECTIFIER CORP·Filed 2000·Granted Nov 19, 2002·133 cites·25 claims
- 0289US7696598B2Ultrafast recovery diodeQSPEED SEMICONDUCTOR INC·Filed 2005·Granted Apr 13, 2010·25 cites·10 claims
- 0389US7696540B2Structure and method for a fast recovery rectifier structureQSPEED SEMICONDUCTOR INC·Filed 2006·Granted Apr 13, 2010·24 cites·17 claims
- 0485US6707111B2Hydrogen implant for buffer zone of punch-through non EPI IGBTINT RECTIFIER CORP·Filed 2002·Granted Mar 16, 2004·32 cites·9 claims
- 0582US6426248B2Process for forming power MOSFET device in float zone, non-epitaxial siliconINT RECTIFIER CORP·Filed 2000·Granted Jul 30, 2002·32 cites·17 claims
- 0680US6919248B2Angled implant for shorter trench emitterINT RECTIFIER CORP·Filed 2003·Granted Jul 19, 2005·21 cites·8 claims
- 0778US8907687B2Integrated circuit with stress generator for stressing test devicesMCMAHON WILLIAM·Filed 2012·Granted Dec 9, 2014·7 cites·23 claims
- 0876US7485920B2Process to create buried heavy metal at selected depthINT RECTIFIER CORP·Filed 2002·Granted Feb 3, 2009·19 cites·10 claims
- 0972US7534666B2High voltage non punch through IGBT for switch mode power suppliesINT RECTIFIER CORP·Filed 2005·Granted May 19, 2009·5 cites·12 claims
- 1072US6683331B2Trench IGBTINT RECTIFIER CORP·Filed 2002·Granted Jan 27, 2004·18 cites·33 claims
- 1172US6627961B1Hybrid IGBT and MOSFET for zero current at zero voltageINT RECTIFIER CORP·Filed 2000·Granted Sep 30, 2003·18 cites·6 claims
- 1272US6603153B2Fast recovery diode and method for its manufactureINT RECTIFIER CORP·Filed 2001·Granted Aug 5, 2003·15 cites·4 claims
- 1371US6198115B1IGBT with reduced forward voltage drop and reduced switching lossINT RECTIFIER CORP·Filed 2000·Granted Mar 6, 2001·12 cites·15 claims
- 1470US6261874B1Fast recovery diode and method for its manufactureINT RECTIFIER CORP·Filed 2000·Granted Jul 17, 2001·13 cites·6 claims
- 1570US6242288B1Anneal-free process for forming weak collectorINT RECTIFIER CORP·Filed 2000·Granted Jun 5, 2001·13 cites·16 claims
- 1669US7956419B2Trench IGBT with depletion stop layerINT RECTIFIER CORP·Filed 2005·Granted Jun 7, 2011·4 cites·14 claims
- 1767US7335947B2Angled implant for shorter trench emitterINT RECTIFIER CORP·Filed 2005·Granted Feb 26, 2008·2 cites·10 claims
- 1864US8314002B2Semiconductor device having increased switching speedFRANCIS RICHARD·Filed 2005·Granted Nov 20, 2012·4 cites·13 claims
- 1962US5608604AHinge as an electrical conductorAPPLE COMPUTER·Filed 1994·Granted Mar 4, 1997·37 cites·14 claims
- 2058US6465353B1Process of thinning and blunting semiconductor wafer edge and resulting waferINT RECTIFIER CORP·Filed 2000·Granted Oct 15, 2002·5 cites·3 claims
- 2153US6884303B2Process of thinning and blunting semiconductor wafer edge and resulting waferINT RECTIFIER CORP·Filed 2002·Granted Apr 26, 2005·3 cites·16 claims
- 2253US6753580B1Diode with weak anodeINT RECTIFIER CORP·Filed 2000·Granted Jun 22, 2004·8 cites·8 claims
- 2351US6043112AIGBT with reduced forward voltage drop and reduced switching lossINT RECTIFIER CORP·Filed 1997·Granted Mar 28, 2000·14 cites·3 claims
- 2450US7005702B1IGBT with amorphous silicon transparent collectorINT RECTIFIER CORP·Filed 2000·Granted Feb 28, 2006·4 cites·13 claims
- 2546US7507608B2IGBT with amorphous silicon transparent collectorINT RECTIFIER CORP·Filed 2005·Granted Mar 24, 2009·0 cites·9 claims
- 2645US2007244546A1Stent Foundation for Placement of a Stented ValveMEDTRONIC VASCULAR INC·Filed 2006·Application pending·0 cites
- 2739US6197649B1Process for manufacturing planar fast recovery diode using reduced number of masking stepsINT RECTIFIER CORP·Filed 1998·Granted Mar 6, 2001·6 cites·20 claims
- 2838US2007034941A1Deep N diffusion for trench IGBTINT RECTIFIER CORP·Filed 2005·Application pending·0 cites
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