Inventor · disambiguated record
Michael L. Duffy
Also filed as: DUFFY MICHAEL L
18 granted patents·782 citations·filing 1991–2020
96Inventor score
Files withCYPRESS SEMICONDUCTOR CORP9CRYSTAL SEMICONDUCTOR CORP2SILICON LAB INC2CRYSTAL SEMICONDUCTOR1CYPRESS SEMICONDUCTORCORP1
Top patents by PatentIndex Score
18 records- 0197US6026134APhase locked loop (PLL) with linear parallel sampling phase detectorCYPRESS SEMICONDUCTOR CORP·Filed 1997·Granted Feb 15, 2000·182 cites·22 claims
- 0296US10917081B1Adjustable soft shutdown and current booster for gate driverSILICON LAB INC·Filed 2020·Granted Feb 9, 2021·18 cites·20 claims
- 0395US6560306B1Phase locked loop (PLL) with linear parallel sampling phase detectorCYPRESS SEMICONDUCTOR CORP·Filed 1999·Granted May 6, 2003·109 cites·22 claims
- 0495US5818370AIntegrated CODEC with a self-calibrating ADC and DACCRYSTAL SEMICONDUCTOR CORP·Filed 1993·Granted Oct 6, 1998·99 cites·5 claims
- 0594US8502584B1Capacitive isolation receiver circuitryDONG ZHIWEI·Filed 2012·Granted Aug 6, 2013·30 cites·18 claims
- 0693US9698654B2Soft shutdown for isolated driversSILICON LAB INC·Filed 2013·Granted Jul 4, 2017·26 cites·24 claims
- 0793US5248970AOffset calibration of a dac using a calibrated adcCRYSTAL SEMICONDUCTOR CORP·Filed 1991·Granted Sep 28, 1993·88 cites·23 claims
- 0887US6385265B1Differential charge pumpCYPRESS SEMICONDUCTOR CORP·Filed 1998·Granted May 7, 2002·72 cites·20 claims
- 0970US8402823B2Low power metering using pulse countingPFLUM MARTY LYNN·Filed 2011·Granted Mar 26, 2013·2 cites·22 claims
- 1070US5196850AFourth order digital delta-sigma modulatorCRYSTAL SEMICONDUCTOR·Filed 1991·Granted Mar 23, 1993·29 cites·28 claims
- 1163US6084479ACircuit, architecture and method(s) of controlling a periodic signal generating circuit or deviceCYPRESS SEMICONDUCTOR CORP·Filed 1998·Granted Jul 4, 2000·24 cites·19 claims
- 1260US6265996B1Low latency, low power deserializerCYPRESS SEMICONDUCTOR CORP·Filed 1999·Granted Jul 24, 2001·20 cites·20 claims
- 1358US6839394B1Frequency difference detector with hysteresisCYPRESS SEMICONDUCTOR CORP·Filed 1998·Granted Jan 4, 2005·19 cites·16 claims
- 1449US5578271ATandem photoionization detector and halogen specific detectorOI CORP·Filed 1995·Granted Nov 26, 1996·19 cites·1 claims
- 1546US6535527B1Low latency, low power deserializerCYPRESS SEMICONDUCTOR CORP·Filed 1999·Granted Mar 18, 2003·20 cites·19 claims
- 1642US5926041APhase detector with linear output responseCYPRESS SEMICONDUCTORCORP·Filed 1997·Granted Jul 20, 1999·20 cites·15 claims
- 1735US6665360B1Data transmitter with sequential serializationCYPRESS SEMICONDUCTOR CORP·Filed 1999·Granted Dec 16, 2003·5 cites·18 claims
- 1830US6513127B1Frequency difference detector with programmable channel selectionCYPRESS SEMICONDUCTOR CORP·Filed 1999·Granted Jan 28, 2003·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →