Inventor · disambiguated record
Hayden C. Cranford, Jr.
Also filed as: CRANFORD HAYDEN · CRANFORD HAYDEN C · CRANFORD JR HAYDEN · CRANFORD JR HAYDEN C
51 granted patents·2 pending applications·591 citations·filing 1980–2019
98Inventor score
Top patents by PatentIndex Score
53 records- 0195US10804919B1Dynamic sequential approximation register (SAR) analog-to-digital converter (ADC) (SAR-ADC) clock delay calibration systems and methodsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Oct 13, 2020·14 cites·22 claims
- 0293US4752699AOn chip multiple voltage generation using a charge pump and plural feedback sense circuitsIBM·Filed 1986·Granted Jun 21, 1988·120 cites·8 claims
- 0390US10396811B1Temperature compensation for reference voltages in an analog-to-digital converterGLOBALFOUNDRIES INC·Filed 2019·Granted Aug 27, 2019·9 cites·20 claims
- 0489US7307447B2Self series terminated serial link transmitter having segmentation for amplitude, pre-emphasis, and slew rate control and voltage regulation for amplitude accuracy and high voltage protectionIBM·Filed 2005·Granted Dec 11, 2007·23 cites·19 claims
- 0588US10250010B1Control of VCSEL-based optical communications systemGLOBALFOUNDRIES INC·Filed 2018·Granted Apr 2, 2019·8 cites·20 claims
- 0687US9213667B2Systems and methods for signal detectionIBM·Filed 2013·Granted Dec 15, 2015·8 cites·30 claims
- 0786US7511530B1Nodal charge compensation for SST driver having data mux in output stageIBM·Filed 2008·Granted Mar 31, 2009·16 cites·1 claims
- 0886US7368902B2Impedance calibration for source series terminated serial link transmitterIBM·Filed 2005·Granted May 6, 2008·12 cites·10 claims
- 0985US10075174B1Phase rotator apparatusGLOBALFOUNDRIES INC·Filed 2017·Granted Sep 11, 2018·6 cites·20 claims
- 1085US7916820B2Systems and arrangements for clock and data recovery in communicationsIBM·Filed 2006·Granted Mar 29, 2011·13 cites·17 claims
- 1183US6249164B1Delay circuit arrangement for use in a DAC/driver waveform generator with phase lock rise time controlIBM·Filed 1998·Granted Jun 19, 2001·48 cites·5 claims
- 1283US5940441AIntegrated adaptive cable equalizer using a continuous-time filterIBM·Filed 1996·Granted Aug 17, 1999·45 cites·28 claims
- 1382US10432209B1Linear feedback shift register-based clock signal generator, time domain-interleaved analog to digital converter and methodsGLOBALFOUNDRIES INC·Filed 2018·Granted Oct 1, 2019·6 cites·19 claims
- 1482US7403057B2CML delay cell with linear rail-to-rail tuning range and constant output swingIBM·Filed 2006·Granted Jul 22, 2008·9 cites·5 claims
- 1582US4638464ACharge pump system for non-volatile ramIBM·Filed 1983·Granted Jan 20, 1987·32 cites·7 claims
- 1681US8798204B2Serial link receiver for handling high speed transmissionsCHEN MINHAN·Filed 2011·Granted Aug 5, 2014·10 cites·18 claims
- 1780US7570071B2Impedance calibration for source series terminated serial link transmitterIBM·Filed 2008·Granted Aug 4, 2009·8 cites·3 claims
- 1880US7411422B2Driver/equalizer with compensation for equalization non-idealitiesIBM·Filed 2005·Granted Aug 12, 2008·9 cites·14 claims
- 1980US6721379B1DAC/Driver waveform generator with phase lock rise time controlIBM·Filed 1998·Granted Apr 13, 2004·42 cites·12 claims
- 2079US9235543B2Systems for signal detectionIBM·Filed 2012·Granted Jan 12, 2016·4 cites·14 claims
- 2179US9209948B2Testing a decision feedback equalizer (‘DFE’)IBM·Filed 2015·Granted Dec 8, 2015·3 cites·13 claims
- 2277US7983368B2Systems and arrangements for clock and data recovery in communicationsIBM·Filed 2006·Granted Jul 19, 2011·7 cites·16 claims
- 2377US7721134B2Method for on-chip diagnostic testing and checking of receiver marginsIBM·Filed 2006·Granted May 18, 2010·8 cites·20 claims
- 2477US4404577AElectrically alterable read only memory cellIBM·Filed 1980·Granted Sep 13, 1983·29 cites·3 claims
- 2576US9014254B2Testing a decision feedback equalizer (‘DFE’)IBM·Filed 2013·Granted Apr 21, 2015·3 cites·16 claims
- 2673US8989313B2Adaptable receiver detectionIBM·Filed 2013·Granted Mar 24, 2015·3 cites·18 claims
- 2771US6930506B2Terminating resistor driver for high speed data communicationIBM·Filed 2002·Granted Aug 16, 2005·18 cites·17 claims
- 2869US9960738B1Peaking amplifier frequency tuningGLOBALFOUNDRIES INC·Filed 2017·Granted May 1, 2018·2 cites·19 claims
- 2969US7698802B2Method for manufacturing a calibration deviceIBM·Filed 2008·Granted Apr 20, 2010·4 cites·7 claims
- 3069US6999540B2Programmable driver/equalizer with alterable analog finite impulse response (FIR) filter having low intersymbol interference and constant peak amplitude independent of coefficient settingsIBM·Filed 2000·Granted Feb 14, 2006·13 cites·33 claims
- 3167US7995660B2Receiver termination circuit for a high speed direct current (DC) serial linkIBM·Filed 2007·Granted Aug 9, 2011·3 cites·19 claims
- 3266US5731737AMethod and apparatus for reducing clock switching noise in continuous time filtersIBM·Filed 1996·Granted Mar 24, 1998·21 cites·20 claims
- 3364US7769057B2High speed serial link output stage having self adaptation for various impairmentsIBM·Filed 2008·Granted Aug 3, 2010·2 cites·8 claims
- 3463US9231796B2Power aware equalization in a serial communications linkIBM·Filed 2013·Granted Jan 5, 2016·1 cites·18 claims
- 3563US7460602B2Method for performing high speed serial link output stage having self adaptation for various impairmentsIBM·Filed 2005·Granted Dec 2, 2008·2 cites·7 claims
- 3659US7187206B2Power savings in serial link transmittersIBM·Filed 2003·Granted Mar 6, 2007·5 cites·21 claims
- 3758US8219040B2Transmitter bandwidth optimization circuitHSU LOUIS L·Filed 2007·Granted Jul 10, 2012·1 cites·16 claims
- 3858US6977558B2Self-adaptive voltage regulator for a phase-locked loopIBM·Filed 2003·Granted Dec 20, 2005·10 cites·13 claims
- 3957US9571111B1System and method to speed up PLL lock time on subsequent calibrations via stored band valuesGLOBALFOUNDRIES INC·Filed 2015·Granted Feb 14, 2017·2 cites·17 claims
- 4052US7541855B2CML delay cell with linear rail-to-rail tuning range and constant output swingIBM·Filed 2008·Granted Jun 2, 2009·1 cites·6 claims
- 4149US10211790B2Peaking amplifier frequency tuningGLOBALFOUNDRIES INC·Filed 2017·Granted Feb 19, 2019·0 cites·20 claims
- 4248US4429237AHigh voltage on chip FET driverIBM·Filed 1981·Granted Jan 31, 1984·9 cites·14 claims
- 4347US9853612B1Peaking amplifier frequency tuningGLOBALFOUNDRIES INC·Filed 2017·Granted Dec 26, 2017·0 cites·20 claims
- 4446US8219041B2Design structure for transmitter bandwidth optimization circuitHSU LOUIS L·Filed 2007·Granted Jul 10, 2012·0 cites·4 claims
- 4542US7671678B2Serial link output stage differential amplifier and methodIBM·Filed 2008·Granted Mar 2, 2010·0 cites·7 claims
- 4641US7391266B2Serial link output stage differential amplifier and methodIBM·Filed 2006·Granted Jun 24, 2008·0 cites·2 claims
- 4740US10033334B1Peaking amplifier frequency tuningGLOBALFOUNDRIES INC·Filed 2017·Granted Jul 24, 2018·0 cites·11 claims
- 4840US7352755B2Network interface card (NIC) with phase lock rise time control generating circuitIBM·Filed 2003·Granted Apr 1, 2008·2 cites·13 claims
- 4940US2008111597A1Systems and Arrangements for Controlling a Phase Locked LoopIBM·Filed 2006·Application pending·0 cites
- 5038US7522000B2Design structure for a serial link output stage differential amplifierIBM·Filed 2008·Granted Apr 21, 2009·0 cites·4 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →