Inventor · disambiguated record
Ralph H. Johnson
Also filed as: JOHNSON III RALPH H · JOHNSON RALPH · JOHNSON RALPH H · JOHNSON RALPH HERBERT
99 granted patents·6 pending applications·1,013 citations·filing 1990–2023
99Inventor score
Top patents by PatentIndex Score
105 records- 0195US8031752B1VCSEL optimized for high speed dataFINISAR CORP·Filed 2008·Granted Oct 4, 2011·25 cites·8 claims
- 0293US5903588ALaser with a selectively changed current confining layerHONEYWELL INC·Filed 1997·Granted May 11, 1999·111 cites·21 claims
- 0392US7346090B2Vertical cavity surface emitting laser including trench and proton implant isolationFINISAR CORP·Filed 2006·Granted Mar 18, 2008·14 cites·19 claims
- 0492US7031363B2Long wavelength VCSEL device processingFINISAR CORP·Filed 2003·Granted Apr 18, 2006·39 cites·24 claims
- 0592US6411638B1Coupled cavity anti-guided vertical-cavity surface-emitting laserHONEYWELL INC·Filed 1999·Granted Jun 25, 2002·95 cites·33 claims
- 0692US5940422ALaser with an improved mode controlHONEYWELL INC·Filed 1996·Granted Aug 17, 1999·107 cites·29 claims
- 0791US9606598B2Automatic tuning for a memory voltage regulatorDELL PRODUCTS LP·Filed 2015·Granted Mar 28, 2017·8 cites·17 claims
- 0891US7251264B2Distributed bragg reflector for optoelectronic deviceFINISAR CORP·Filed 2005·Granted Jul 31, 2007·16 cites·21 claims
- 0990US7095770B2Vertical cavity surface emitting laser including indium, antimony and nitrogen in the active regionFINISAR CORP·Filed 2001·Granted Aug 22, 2006·30 cites·36 claims
- 1089US10116212B2Voltage regulation based on current sensing in MOSFET drain-to-source resistance in on-state RDS(ON)DELL PRODUCTS LP·Filed 2017·Granted Oct 30, 2018·6 cites·20 claims
- 1189US6798806B1Hybrid mirror VCSELsFINISAR CORP·Filed 2002·Granted Sep 28, 2004·24 cites·20 claims
- 1288US8451875B2Vertical cavity surface emitting laser having strain reduced quantum wellsJOHNSON RALPH H·Filed 2006·Granted May 28, 2013·8 cites·16 claims
- 1388US6813293B2Long wavelength VCSEL with tunnel junction, and implantFINISAR CORP·Filed 2002·Granted Nov 2, 2004·25 cites·63 claims
- 1486US9762025B2Temperature insensitive integrated electro-absorption modulator and laserTeraMod LLC·Filed 2016·Granted Sep 12, 2017·6 cites·47 claims
- 1585US10229027B2Voltage regulator power reporting offset systemDELL PRODUCTS LP·Filed 2016·Granted Mar 12, 2019·5 cites·17 claims
- 1685US9318872B2VCSEL with integrated electrically modulated intra-cavity graphene absorberFINISAR CORP·Filed 2015·Granted Apr 19, 2016·4 cites·20 claims
- 1785US7826506B2Vertical cavity surface emitting laser having multiple top-side contactsFINISAR CORP·Filed 2005·Granted Nov 2, 2010·10 cites·14 claims
- 1885US6990135B2Distributed bragg reflector for optoelectronic deviceFINISAR CORP·Filed 2002·Granted Jan 24, 2006·20 cites·24 claims
- 1984US7856041B2Semiconductor having enhanced carbon dopingFINISAR CORP·Filed 2007·Granted Dec 21, 2010·5 cites·18 claims
- 2083US6064683ABandgap isolated light emitterHONEYWELL INC·Filed 1997·Granted May 16, 2000·56 cites·33 claims
- 2182US7596165B2Distributed Bragg Reflector for optoelectronic deviceFINISAR CORP·Filed 2005·Granted Sep 29, 2009·9 cites·31 claims
- 2282US6965626B2Single mode VCSELFINISAR CORP·Filed 2002·Granted Nov 15, 2005·20 cites·24 claims
- 2382US6905900B1Versatile method and system for single mode VCSELsFINISAR CORP·Filed 2000·Granted Jun 14, 2005·14 cites·41 claims
- 2481US8837547B2Lasers with InGaAs quantum wells with InGaP barrier layers with reduced decompositionJOHNSON RALPH H·Filed 2012·Granted Sep 16, 2014·6 cites·13 claims
- 2581US8000374B2Surface gratings on VCSELs for polarization pinningFINISAR CORP·Filed 2005·Granted Aug 16, 2011·5 cites·18 claims
- 2681US7221691B2Versatile method and system for single mode VCSELsFINISAR CORP·Filed 2003·Granted May 22, 2007·12 cites·16 claims
- 2780US10594313B2Adaptive modulation scheme of MOSFET driver key parameters for improved voltage regulator efficiency and system reliabilityDELL PRODUCTS LP·Filed 2017·Granted Mar 17, 2020·3 cites·14 claims
- 2879US10317966B2Voltage regulation auto-tuning by detecting actual total capacitance at output terminalDELL PRODUCTS LP·Filed 2016·Granted Jun 11, 2019·3 cites·20 claims
- 2979US7255746B2Nitrogen sources for molecular beam epitaxyFINISAR CORP·Filed 2002·Granted Aug 14, 2007·21 cites·19 claims
- 3078US10651734B2System and method for robust body braking control to suppress transient voltage overshootDELL PRODUCTS LP·Filed 2017·Granted May 12, 2020·2 cites·18 claims
- 3178US8455279B2Surface gratings on VCSELS for polarization pinningJOHNSON RALPH H·Filed 2011·Granted Jun 4, 2013·3 cites·18 claims
- 3278US8168456B2Vertical cavity surface emitting laser with undoped top mirrorJOHNSON RALPH H·Filed 2010·Granted May 1, 2012·3 cites·20 claims
- 3377US10423210B2Automatic detection of voltage regulator phase assignment and configuration for multi-output railsDELL PRODUCTS LP·Filed 2017·Granted Sep 24, 2019·2 cites·20 claims
- 3477US7435660B2Migration enhanced epitaxy fabrication of active regions having quantum wellsFINISAR CORP·Filed 2006·Granted Oct 14, 2008·4 cites·19 claims
- 3576US7829912B2Efficient carrier injection in a semiconductor deviceFINISAR CORP·Filed 2007·Granted Nov 9, 2010·5 cites·18 claims
- 3675US8254424B2Semiconductor having enhanced carbon dopingJOHNSON RALPH H·Filed 2010·Granted Aug 28, 2012·2 cites·20 claims
- 3774US7286585B2Low temperature grown layers with migration enhanced epitaxy adjacent to an InGaAsN(Sb) based active regionFINISAR CORP·Filed 2005·Granted Oct 23, 2007·5 cites·18 claims
- 3874US6975660B2Vertical cavity surface emitting laser including indium and antimony in the active regionFINISAR CORP·Filed 2001·Granted Dec 13, 2005·11 cites·43 claims
- 3974US6459719B1VCSEL structure insensitive to mobile hydrogenHONEYWELL INC·Filed 2000·Granted Oct 1, 2002·8 cites·10 claims
- 4073US9122472B2System and method of measuring real-time currentLUO SHIGUO·Filed 2013·Granted Sep 1, 2015·2 cites·20 claims
- 4172US7065124B2Electron affinity engineered VCSELsFINLSAR CORP·Filed 2004·Granted Jun 20, 2006·13 cites·38 claims
- 4271US9787172B2Methods and systems for implementing adaptive FET drive voltage optimization for power stages of multi-phase voltage regulator circuitsLUO SHIGUO·Filed 2014·Granted Oct 10, 2017·3 cites·17 claims
- 4371US6858519B2Atomic hydrogen as a surfactant in production of highly strained InGaAs, InGaAsN, InGaAsNSb, and/or GaAsNSb quantum wellsFINISAR CORP·Filed 2002·Granted Feb 22, 2005·9 cites·20 claims
- 4471US6678300B2Coupled cavity anti-guided vertical-cavity surface-emitting laserHONEYWELL INT INC·Filed 2002·Granted Jan 13, 2004·8 cites·26 claims
- 4570US9612603B2Calibration of voltage regulatorDELL PRODUCTS LP·Filed 2014·Granted Apr 4, 2017·2 cites·21 claims
- 4669US7061945B2VCSEL mode-transforming phase filter with enhanced performanceFINISAR CORP·Filed 2003·Granted Jun 13, 2006·10 cites·17 claims
- 4768US10108252B2Method and system for intelligent load line control of information handling systemsDELL PRODUCTS LP·Filed 2016·Granted Oct 23, 2018·1 cites·20 claims
- 4868US9997892B2Passivation of VCSEL sidewallsFINISAR CORP·Filed 2014·Granted Jun 12, 2018·1 cites·10 claims
- 4968US8213474B2Asymmetric DBR pairs combined with periodic and modulation doping to maximize conduction and reflectivity, and minimize absorptionJOHNSON RALPH H·Filed 2007·Granted Jul 3, 2012·2 cites·24 claims
- 5068US5264715AEmitting with structures located at positions which prevent certain disadvantageous modes and enhance generation of light in advantageous modesHONEYWELL INC·Filed 1992·Granted Nov 23, 1993·26 cites·19 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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