Inventor · disambiguated record
John A. Fifield
Also filed as: FIFIELD JOHN · FIFIELD JOHN A · FIFIELD JOHN ATKINSON
178 granted patents·16 pending applications·3,621 citations·filing 1981–2021
99Inventor score
Top patents by PatentIndex Score
194 records- 0198US9000837B1Adjustable reference voltage generator for single-ended DRAM sensing devicesIBM·Filed 2013·Granted Apr 7, 2015·29 cites·20 claims
- 0298US5010524ACrosstalk-shielded-bit-line dramIBM·Filed 1989·Granted Apr 23, 1991·161 cites·11 claims
- 0397US6420925B1Programmable latch device with integrated programmable elementIBM·Filed 2001·Granted Jul 16, 2002·91 cites·22 claims
- 0496US9953727B1Circuit and method for detecting time dependent dielectric breakdown (TDDB) shorts and signal-margin testingGLOBALFOUNDRIES INC·Filed 2017·Granted Apr 24, 2018·19 cites·12 claims
- 0596US9508420B1Voltage-aware adaptive static random access memory (SRAM) write assist circuitGLOBALFOUNDRIES INC·Filed 2016·Granted Nov 29, 2016·22 cites·15 claims
- 0696US6753590B2High impedance antifuseIBM·Filed 2002·Granted Jun 22, 2004·93 cites·17 claims
- 0795US10429434B2On-chip reliability monitor and methodGLOBALFOUNDRIES INC·Filed 2018·Granted Oct 1, 2019·6 cites·20 claims
- 0895US7466188B2Stress control mechanism for use in high-voltage applications in an integrated circuitIBM·Filed 2006·Granted Dec 16, 2008·27 cites·14 claims
- 0995US6577156B2Method and apparatus for initializing an integrated circuit using compressed data from a remote fuseboxIBM·Filed 2000·Granted Jun 10, 2003·106 cites·28 claims
- 1095US6373771B1Integrated fuse latch and shift register for efficient programming and fuse readoutIBM·Filed 2001·Granted Apr 16, 2002·104 cites·24 claims
- 1194US9093175B2Signal margin centering for single-ended eDRAM sense amplifierIBM·Filed 2013·Granted Jul 28, 2015·19 cites·20 claims
- 1294US7336095B2Changing chip function based on fuse statesIBM·Filed 2007·Granted Feb 26, 2008·31 cites·20 claims
- 1394US6346846B1Methods and apparatus for blowing and sensing antifusesIBM·Filed 1999·Granted Feb 12, 2002·109 cites·34 claims
- 1494US6141245AImpedance control using fusesIBM·Filed 1999·Granted Oct 31, 2000·142 cites·31 claims
- 1594US6118318ASelf biased differential amplifier with hysteresisIBM·Filed 1997·Granted Sep 12, 2000·105 cites·15 claims
- 1692US9654086B1Operational amplifier with current-controlled up or down hysteresisGLOBALFOUNDRIES INC·Filed 2016·Granted May 16, 2017·9 cites·20 claims
- 1792US6444490B2Micro-flex technology in semiconductor packagesIBM·Filed 2001·Granted Sep 3, 2002·45 cites·11 claims
- 1891US9503090B2High speed level translatorIBM·Filed 2014·Granted Nov 22, 2016·7 cites·17 claims
- 1991US7904658B2Structure for power-efficient cache memoryIBM·Filed 2007·Granted Mar 8, 2011·27 cites·21 claims
- 2091US5761114AMulti-level storage gain cell with steplineIBM·Filed 1997·Granted Jun 2, 1998·91 cites·20 claims
- 2190US10446239B1Memory array including distributed reference cells for current sensingGLOBALFOUNDRIES INC·Filed 2018·Granted Oct 15, 2019·10 cites·20 claims
- 2290US6384666B1Antifuse latch device with controlled current programming and variable trip pointIBM·Filed 2001·Granted May 7, 2002·56 cites·19 claims
- 2389US8300489B2Charge pump system and method utilizing adjustable output charge and compilation system and method for use by the charge pumpFIFIELD JOHN A·Filed 2010·Granted Oct 30, 2012·13 cites·24 claims
- 2489US8228713B2SRAM having wordline up-level voltage adjustable to assist bitcell stability and design structure for sameARSOVSKI IGOR·Filed 2010·Granted Jul 24, 2012·13 cites·25 claims
- 2589US6400202B1Programmable delay element and synchronous DRAM using the sameIBM·Filed 2001·Granted Jun 4, 2002·48 cites·7 claims
- 2689US6272054B1Twin-cell memory architecture with shielded bitlines for embedded memory applicationsIBM·Filed 2000·Granted Aug 7, 2001·50 cites·9 claims
- 2789US5909400AThree device BICMOS gain cellIBM·Filed 1997·Granted Jun 1, 1999·67 cites·16 claims
- 2889US5873053AOn-chip thermometry for control of chip operating temperatureIBM·Filed 1997·Granted Feb 16, 1999·106 cites·21 claims
- 2989US5134616ADynamic ram with on-chip ecc and optimized bit and word redundancyIBM·Filed 1990·Granted Jul 28, 1992·173 cites·36 claims
- 3088US10971996B2Charge pump circuit with internal pre-charge configurationMARVELL ASIA PTE LTD·Filed 2020·Granted Apr 6, 2021·2 cites·20 claims
- 3188US6794901B2Apparatus for reducing soft errors in dynamic circuitsIBM·Filed 2002·Granted Sep 21, 2004·33 cites·8 claims
- 3288US6621324B2Redundant antifuse segments for improved programming efficiencyIBM·Filed 2002·Granted Sep 16, 2003·51 cites·17 claims
- 3387US7551470B2Non volatile memory RAD-hard (NVM-rh) systemIBM·Filed 2006·Granted Jun 23, 2009·18 cites·20 claims
- 3487US6243283B1Impedance control using fusesIBM·Filed 2000·Granted Jun 5, 2001·42 cites·4 claims
- 3586US9837168B1Word line voltage generator for programmable memory arrayGLOBALFOUNDRIES INC·Filed 2016·Granted Dec 5, 2017·6 cites·14 claims
- 3686US7911820B2Regulating electrical fuse programming currentIBM·Filed 2008·Granted Mar 22, 2011·17 cites·20 claims
- 3786US7550789B2Using electrically programmable fuses to hide architecture, prevent reverse engineering, and make a device inoperableIBM·Filed 2008·Granted Jun 23, 2009·13 cites·15 claims
- 3886US6531410B2Intrinsic dual gate oxide MOSFET using a damascene gate processIBM·Filed 2001·Granted Mar 11, 2003·35 cites·21 claims
- 3985US6631503B2Temperature programmable timing delay systemIBM·Filed 2001·Granted Oct 7, 2003·43 cites·26 claims
- 4084US6956417B2Leakage compensation circuitIBM·Filed 2003·Granted Oct 18, 2005·32 cites·39 claims
- 4184US5058115AFault tolerant computer memory systems and components employing dual level error correction and detection with lock-up featureIBM·Filed 1989·Granted Oct 15, 1991·79 cites·7 claims
- 4283US10382049B1On-chip calibration circuit and method with half-step resolutionGLOBALFOUNDRIES INC·Filed 2018·Granted Aug 13, 2019·2 cites·20 claims
- 4383US10192590B1Differential voltage generatorGLOBALFOUNDRIES INC·Filed 2017·Granted Jan 29, 2019·6 cites·20 claims
- 4483US7466171B2Voltage detection circuit and circuit for generating a trigger flag signalIBM·Filed 2007·Granted Dec 16, 2008·10 cites·20 claims
- 4583US6496037B1Automatic off-chip driver adjustment based on load characteristicsIBM·Filed 2000·Granted Dec 17, 2002·26 cites·18 claims
- 4682US8027207B2Leakage compensated reference voltage generation systemIBM·Filed 2009·Granted Sep 27, 2011·13 cites·20 claims
- 4782US7352609B2Voltage controlled static random access memoryIBM·Filed 2005·Granted Apr 1, 2008·9 cites·6 claims
- 4882US6577154B2Constant impedance driver for high speed interfaceIBM·Filed 2001·Granted Jun 10, 2003·25 cites·29 claims
- 4981US7085971B2ECC based system and method for repairing failed memory elementsIBM·Filed 2001·Granted Aug 1, 2006·30 cites·10 claims
- 5080US10224710B2Electrostatic discharge power clamp with fail-safe designIBM·Filed 2017·Granted Mar 5, 2019·2 cites·20 claims
Showing the top 50 of 194 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →