Inventor · disambiguated record
Daniel J. Friedman
Also filed as: FRIEDMAN DANIEL · FRIEDMAN DANIEL J · FRIEDMAN DANIEL JOSEPH
147 granted patents·11 pending applications·4,721 citations·filing 1985–2023
99Inventor score
Top patents by PatentIndex Score
158 records- 0198US11777496B1Low voltage signal path in a radio frequency signal generatorIBM·Filed 2022·Granted Oct 3, 2023·12 cites·25 claims
- 0298US11683026B1Calibrating signal currents in a radio frequency signal generatorIBM·Filed 2022·Granted Jun 20, 2023·12 cites·25 claims
- 0398US8222936B2Phase and frequency detector with output proportional to frequency differenceFRIEDMAN DANIEL J·Filed 2010·Granted Jul 17, 2012·52 cites·25 claims
- 0498US6593845B1Active RF tag with wake-up circuit to prolong battery lifeINTERMEC IP CORP·Filed 1999·Granted Jul 15, 2003·359 cites·28 claims
- 0598US6281426B1Multi-junction, monolithic solar cell using low-band-gap materials lattice matched to GaAs or GeMIDWEST RESEARCH INST·Filed 2000·Granted Aug 28, 2001·285 cites·44 claims
- 0697US10594019B2Wireless communications package with integrated antenna arrayIBM·Filed 2016·Granted Mar 17, 2020·30 cites·11 claims
- 0797US6292065B1Differential control topology for LC VCOIBM·Filed 2000·Granted Sep 18, 2001·71 cites·8 claims
- 0897US6104291AMethod and apparatus for testing RFID tagsINTERMEC IP CORP·Filed 1998·Granted Aug 15, 2000·502 cites·58 claims
- 0997US5874902ARadio frequency identification transponder with electronic circuit enabling/disabling capabilityIBM·Filed 1996·Granted Feb 23, 1999·365 cites·20 claims
- 1096US9401696B1Boosting varactor capacitance ratioIBM·Filed 2015·Granted Jul 26, 2016·8 cites·18 claims
- 1196US8841893B2Dual-loop voltage regulator architecture with high DC accuracy and fast response timeBULZACCHELLI JOHN F·Filed 2011·Granted Sep 23, 2014·24 cites·25 claims
- 1296US7511543B2Automatic static phase error and jitter compensation in PLL circuitsIBM·Filed 2007·Granted Mar 31, 2009·32 cites·17 claims
- 1396US6535175B2Adjustable length antenna system for RF transpondersINTERMEC IP CORP·Filed 2001·Granted Mar 18, 2003·196 cites·19 claims
- 1496US6243013B1Cascaded DC voltages of multiple antenna RF tag front-end circuitsINTERMEC IP CORP·Filed 1999·Granted Jun 5, 2001·199 cites·20 claims
- 1595US8779865B2Ultra-compact PLL with wide tuning range and low noiseAINSPAN HERSCHEL A·Filed 2012·Granted Jul 15, 2014·12 cites·11 claims
- 1695US6028564AWire antenna with optimized impedance for connecting to a circuitINTERMEC IP CORP·Filed 1997·Granted Feb 22, 2000·159 cites·26 claims
- 1794US9325332B2Adjusting the magnitude of a capacitance of a digitally controlled circuitIBM·Filed 2015·Granted Apr 26, 2016·9 cites·18 claims
- 1894US9225348B2Prediction based digital control for fractional-N PLLsIBM·Filed 2014·Granted Dec 29, 2015·9 cites·19 claims
- 1994US8410816B1Low-swing signaling scheme for data communicationLIU YONG·Filed 2012·Granted Apr 2, 2013·17 cites·27 claims
- 2094US6288629B1Method of using write—ok flag for radio frequency (RF) transponders (RF Tags)INTERMEC IP CORP·Filed 1997·Granted Sep 11, 2001·188 cites·39 claims
- 2194US5606323ADiode modulator for radio frequency transponderIBM·Filed 1995·Granted Feb 25, 1997·227 cites·13 claims
- 2293US9818058B2Time-division multiplexed neurosynaptic module with implicit memory addressing for implementing a universal substrate of adaptationIBM·Filed 2016·Granted Nov 14, 2017·13 cites·15 claims
- 2393US8856055B2Reconfigurable and customizable general-purpose circuits for neural networksBREZZO BERNARD V·Filed 2011·Granted Oct 7, 2014·38 cites·27 claims
- 2492US11424911B2Storage and communication environment for cryptographic tagsIBM·Filed 2020·Granted Aug 23, 2022·4 cites·19 claims
- 2592US9735732B1Coupled oscillatorsIBM·Filed 2016·Granted Aug 15, 2017·5 cites·20 claims
- 2692US9537224B2Phased-array transceiverIBM·Filed 2015·Granted Jan 3, 2017·8 cites·8 claims
- 2792US6104281ARadio frequency identification transponder with electronic circuit enabling/disabling capabilityINTERMEC IP CORP·Filed 1998·Granted Aug 15, 2000·180 cites·13 claims
- 2892US5912632ASingle chip RF tag oscillator circuit synchronized by base station modulation frequencyIBM·Filed 1997·Granted Jun 15, 1999·175 cites·28 claims
- 2991US8183948B2Ultra-compact PLL with wide tuning range and low noiseAINSPAN HERSCHEL A·Filed 2010·Granted May 22, 2012·10 cites·17 claims
- 3091US7999584B2Method and apparatus for on-chip phase error measurement to determine jitter in phase-locked loopsIBM·Filed 2009·Granted Aug 16, 2011·14 cites·14 claims
- 3191US7822114B2Decision feedback equalizer using soft decisionsIBM·Filed 2007·Granted Oct 26, 2010·27 cites·25 claims
- 3291US6078845AApparatus for carrying semiconductor devicesSCHLUMBERGER TECHNOLOGIES INC·Filed 1996·Granted Jun 20, 2000·111 cites·15 claims
- 3390US11888445B2Variable capacitor devices with differential voltage controlIBM·Filed 2022·Granted Jan 30, 2024·2 cites·25 claims
- 3490US11362656B1Josephson RF to RF frequency converterIBM·Filed 2021·Granted Jun 14, 2022·2 cites·20 claims
- 3590US10423805B2Encryption engine with an undetectable/tamper-proof private key in late node CMOS technologyIBM·Filed 2016·Granted Sep 24, 2019·5 cites·15 claims
- 3690US8704567B2Hybrid phase-locked loop architecturesAINSPAN HERSCHEL A·Filed 2012·Granted Apr 22, 2014·9 cites·7 claims
- 3790US7750701B2Phase-locked loop circuits and methods implementing multiplexer circuit for fine tuning control of digitally controlled oscillatorsIBM·Filed 2008·Granted Jul 6, 2010·20 cites·16 claims
- 3890US6412086B1Radio frequency identification transponder integrated circuit having a serially loaded test mode registerINTERMEC IP CORP·Filed 1999·Granted Jun 25, 2002·143 cites·30 claims
- 3989US7913202B2Wafer level I/O test, repair and/or customization enabled by I/O layerIBM·Filed 2007·Granted Mar 22, 2011·22 cites·18 claims
- 4089US7521950B2Wafer level I/O test and repair enabled by I/O layerIBM·Filed 2005·Granted Apr 21, 2009·21 cites·5 claims
- 4188US9373073B2Time-division multiplexed neurosynaptic module with implicit memory addressing for implementing a universal substrate of adaptationIBM·Filed 2012·Granted Jun 21, 2016·20 cites·31 claims
- 4288US9207695B2Calibration schemes for charge-recycling stacked voltage domainsIBM·Filed 2014·Granted Dec 8, 2015·7 cites·20 claims
- 4388US7268630B2Phase-locked loop using continuously auto-tuned inductor-capacitor voltage controlled oscillatorIBM·Filed 2005·Granted Sep 11, 2007·17 cites·7 claims
- 4488US6404325B1Method and system for storage and recovery of vital information on radio frequency transpondersINTERMEC IP CORP·Filed 1999·Granted Jun 11, 2002·109 cites·17 claims
- 4587US9269042B2Producing spike-timing dependent plasticity in a neuromorphic network utilizing phase change synaptic devicesFRIEDMAN DANIEL J·Filed 2010·Granted Feb 23, 2016·15 cites·29 claims
- 4687US9231605B2Removing deterministic phase errors from fractional-N PLLSIBM·Filed 2014·Granted Jan 5, 2016·5 cites·20 claims
- 4787US9203159B2Phased-array transceiverFRIEDMAN DANIEL J·Filed 2012·Granted Dec 1, 2015·8 cites·16 claims
- 4887US7893861B2Time-to-digital based analog-to-digital converter architectureIBM·Filed 2009·Granted Feb 22, 2011·18 cites·25 claims
- 4987US6927611B2Semidigital delay-locked loop using an analog-based finite state machineIBM·Filed 2003·Granted Aug 9, 2005·38 cites·16 claims
- 5086US9837959B2Adjusting the magnitude of a capacitance of a digitally controlled circuitIBM·Filed 2015·Granted Dec 5, 2017·3 cites·8 claims
Showing the top 50 of 158 patent records by PatentIndex Score.
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