Inventor · disambiguated record
Richard K. Williams
Also filed as: WILLIAMS JR RICHARD K · WILLIAMS RICHARD · WILLIAMS RICHARD K · WILLIAMS RICHARD KENT
316 granted patents·38 pending applications·14,106 citations·filing 1987–2024
99Inventor score
Files withADVANCED ANALOGIC TECH INC120SILICONIX INC98GEM SERVICES INC38WILLIAMS RICHARD K29APPLIED BIOPHOTONICS LTD10
Top patents by PatentIndex Score
354 records- 0199US8749222B2Method of sensing magnitude of current through semiconductor power deviceWILLIAMS RICHARD K·Filed 2011·Granted Jun 10, 2014·41 cites·17 claims
- 0299US7960997B2Cascode current sensor for discrete power semiconductor devicesADVANCED ANALOGIC TECH INC·Filed 2007·Granted Jun 14, 2011·78 cites·13 claims
- 0399US7777459B2High-efficiency DC/DC voltage converter including capacitive switching pre-converter and down inductive switching post-regulatorADVANCED ANALOGIC TECH INC·Filed 2007·Granted Aug 17, 2010·207 cites·27 claims
- 0499US6855985B2Modular bipolar-CMOS-DMOS analog integrated circuit & power transistor technologyADVANCED ANALOGIC TECH INC·Filed 2002·Granted Feb 15, 2005·193 cites·162 claims
- 0599US6291298B1Process of manufacturing Trench gate semiconductor device having gate oxide layer with multiple thicknessesADVANCED ANALOGIC TECH INC·Filed 1999·Granted Sep 18, 2001·212 cites·27 claims
- 0699US6239463B1Low resistance power MOSFET or other device containing silicon-germanium layerSILICONIX INC·Filed 1997·Granted May 29, 2001·305 cites·60 claims
- 0799US6049108ATrench-gated MOSFET with bidirectional voltage clampingSILICONIX INC·Filed 1997·Granted Apr 11, 2000·511 cites·14 claims
- 0899US5156989AComplementary, isolated DMOS IC technologySILICONIX INC·Filed 1988·Granted Oct 20, 1992·405 cites·20 claims
- 0998US7786712B2High-efficiency DC/DC voltage converter including up inductive switching pre-regulator and capacitive switching post-converterADVANCED ANALOGIC TECH INC·Filed 2007·Granted Aug 31, 2010·143 cites·20 claims
- 1098US7782027B2High-efficiency DC/DC voltage converter including down inductive switching pre-regulator and capacitive switching post-converterADVANCED ANALOGIC TECH INC·Filed 2007·Granted Aug 24, 2010·164 cites·19 claims
- 1198US7719054B2High-voltage lateral DMOS deviceADVANCED ANALOGIC TECH INC·Filed 2006·Granted May 18, 2010·58 cites·18 claims
- 1298US7683426B2High-voltage lateral DMOS device with diode clampADVANCED ANALOGIC TECH INC·Filed 2007·Granted Mar 23, 2010·51 cites·8 claims
- 1398US7605428B2High-voltage depletion mode MOSFETADVANCED ANALOGIC TECH INC·Filed 2007·Granted Oct 20, 2009·54 cites·6 claims
- 1498US7176548B2Complementary analog bipolar transistors with trench-constrained isolation diffusionADVANCED ANALOGIC TECH INC·Filed 2005·Granted Feb 13, 2007·54 cites·15 claims
- 1598US6900091B2Isolated complementary MOS devices in epi-less substrateADVANCED ANALOGIC TECH INC·Filed 2002·Granted May 31, 2005·130 cites·4 claims
- 1698US6413822B2Super-self-aligned fabrication process of trench-gate DMOS with overlying device layerADVANCED ANALOGIC TECH INC·Filed 1999·Granted Jul 2, 2002·193 cites·8 claims
- 1798US5689128AHigh density trenched DMOS transistorSILICONIX INC·Filed 1995·Granted Nov 18, 1997·242 cites·7 claims
- 1898US5386136ALightly-doped drain MOSFET with improved breakdown characteristicsSILICONIX INC·Filed 1991·Granted Jan 31, 1995·238 cites·18 claims
- 1997US9500678B2System and method of sensing current in a power semiconductor deviceADVANCED ANALOGIC TECH INCORPORATED·Filed 2014·Granted Nov 22, 2016·19 cites·20 claims
- 2097US8823342B2Multiple-output dual-polarity DC/DC converters and voltage regulatorsWILLIAMS RICHARD·Filed 2008·Granted Sep 2, 2014·149 cites·26 claims
- 2197US8258575B2Isolated drain-centric lateral MOSFETWILLIAMS RICHARD K·Filed 2010·Granted Sep 4, 2012·25 cites·10 claims
- 2297US7994827B2MOSFET gate drive with reduced power lossADVANCED ANALOGIC TECH INC·Filed 2010·Granted Aug 9, 2011·24 cites·8 claims
- 2397US7812393B2High-voltage extended drain MOSFETADVANCED ANALOGIC TECH INC·Filed 2007·Granted Oct 12, 2010·38 cites·11 claims
- 2497US7812579B2High-efficiency DC/DC voltage converter including capacitive switching pre-converter and up inductive switching post-regulatorADVANCED ANALOGIC TECH INC·Filed 2007·Granted Oct 12, 2010·123 cites·27 claims
- 2597US7683453B2Edge termination region for high-voltage bipolar-CMOS-DMOS integrated circuit devicesADVANCED ANALOGIC TECH INC·Filed 2007·Granted Mar 23, 2010·32 cites·19 claims
- 2697US7489007B2High-voltage lateral DMOS deviceADVANCED ANALOGIC TECH INC·Filed 2007·Granted Feb 10, 2009·45 cites·5 claims
- 2797US6861701B2Trench power MOSFET with planarized gate busADVANCED ANALOGIC TECH INC·Filed 2003·Granted Mar 1, 2005·108 cites·18 claims
- 2897US6465110B1Metal felt laminate structuresMATERIAL SCIENCES CORP·Filed 2000·Granted Oct 15, 2002·122 cites·28 claims
- 2997US5973367AMultiple gated MOSFET for use in DC-DC converterSILICONIX INC·Filed 1997·Granted Oct 26, 1999·189 cites·19 claims
- 3097US5814858AVertical power MOSFET having reduced sensitivity to variations in thickness of epitaxial layerSILICONIX INC·Filed 1996·Granted Sep 29, 1998·236 cites·25 claims
- 3197US5665996AVertical power mosfet having thick metal layer to reduce distributed resistanceSILICONIX INC·Filed 1994·Granted Sep 9, 1997·301 cites·26 claims
- 3297US5514608AMethod of making lightly-doped drain DMOS with improved breakdown characteristicsSILICONIX INC·Filed 1994·Granted May 7, 1996·150 cites·18 claims
- 3397US5485027AIsolated DMOS IC technologySILICONIX INC·Filed 1992·Granted Jan 16, 1996·222 cites·3 claims
- 3497US5426328ABICDMOS structuresSILICONIX INC·Filed 1994·Granted Jun 20, 1995·143 cites·14 claims
- 3597US5374569AMethod for forming a BiCDMOSSILICONIX INC·Filed 1993·Granted Dec 20, 1994·119 cites·15 claims
- 3696US7977926B2Boost and up-down switching regulator with synchronous freewheeling MOSFETADVANCED ANALOGIC TECH INC·Filed 2008·Granted Jul 12, 2011·46 cites·43 claims
- 3796US7667268B2Isolated transistorADVANCED ANALOGIC TECH INC·Filed 2008·Granted Feb 23, 2010·26 cites·15 claims
- 3896US7576391B2High-voltage lateral trench MOSFETADVANCED ANALOGIC TECH INC·Filed 2007·Granted Aug 18, 2009·31 cites·20 claims
- 3996US6943426B2Complementary analog bipolar transistors with trench-constrained isolation diffusionADVANCED ANALOGIC TECH INC·Filed 2002·Granted Sep 13, 2005·79 cites·45 claims
- 4096US6046470ATrench-gated MOSFET with integral temperature detection diodeSILICONIX INC·Filed 1997·Granted Apr 4, 2000·219 cites·31 claims
- 4196US5895952ATrench MOSFET with multi-resistivity drain to provide low on-resistanceSILICONIX INC·Filed 1996·Granted Apr 20, 1999·162 cites·36 claims
- 4296US5818084APseudo-Schottky diodeSILICONIX INC·Filed 1996·Granted Oct 6, 1998·167 cites·14 claims
- 4396US5689144AFour-terminal power MOSFET switch having reduced threshold voltage and on-resistanceSILICONIX INC·Filed 1996·Granted Nov 18, 1997·178 cites·28 claims
- 4496US5545909AElectrostatic discharge protection device for integrated circuitSILICONIX INC·Filed 1994·Granted Aug 13, 1996·107 cites·33 claims
- 4595US11277390B2Decentralized cybersecure privacy network for cloud communication, computing and global e-commerceListat Ltd·Filed 2019·Granted Mar 15, 2022·22 cites·20 claims
- 4695US10064276B23D bendable printed circuit board with redundant interconnectionsAPPLIED BIOPHOTONICS LTD·Filed 2015·Granted Aug 28, 2018·14 cites·26 claims
- 4795US9998434B2Secure dynamic communication network and protocolListat Ltd·Filed 2015·Granted Jun 12, 2018·43 cites·34 claims
- 4895US9576932B2Universal surface-mount semiconductor packageADVENTIVE TECH LTD·Filed 2015·Granted Feb 21, 2017·12 cites·22 claims
- 4995US7812647B2MOSFET gate drive with reduced power lossADVANCED ANALOGIC TECH INC·Filed 2007·Granted Oct 12, 2010·25 cites·7 claims
- 5095US7745883B2Modular bipolar-CMOS-DMOS analog integrated circuit and power transistor technologyADVANCED ANALOGIC TECH INC·Filed 2007·Granted Jun 29, 2010·23 cites·17 claims
Showing the top 50 of 354 patent records by PatentIndex Score.
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