Inventor · disambiguated record
David Lewis
Also filed as: LEWIS DAVID · LEWIS DAVID M · LEWIS DAVID MICHAEL · LEWIS JR DAVID MICHAEL
188 granted patents·4 pending applications·2,532 citations·filing 1981–2023
99Inventor score
Top patents by PatentIndex Score
192 records- 0198US9893732B1Techniques for bypassing defects in rows of circuitsINTEL CORP·Filed 2016·Granted Feb 13, 2018·34 cites·20 claims
- 0298US7135888B1Programmable routing structures providing shorter timing delays for input/output signalsALTERA CORP·Filed 2004·Granted Nov 14, 2006·179 cites·19 claims
- 0398US6943580B2Fracturable lookup table and logic elementALTERA CORP·Filed 2003·Granted Sep 13, 2005·105 cites·35 claims
- 0497US8294502B2Delay circuitryLEWIS DAVID·Filed 2011·Granted Oct 23, 2012·34 cites·21 claims
- 0596US7702978B2Soft error location and sensitivity detection for programmable devicesALTERA CORP·Filed 2007·Granted Apr 20, 2010·55 cites·21 claims
- 0696US7328377B1Error correction for programmable logic integrated circuitsALTERA CORP·Filed 2004·Granted Feb 5, 2008·126 cites·30 claims
- 0796US7088136B1Programmable logic device latch circuitsALTERA CORP·Filed 2003·Granted Aug 8, 2006·88 cites·17 claims
- 0895US8751551B2Modular digital signal processing circuitry with optionally usable, dedicated connections between modules of the circuitryALTERA CORP·Filed 2013·Granted Jun 10, 2014·32 cites·10 claims
- 0995US7796417B1Memory circuits having programmable non-volatile resistorsALTERA CORP·Filed 2008·Granted Sep 14, 2010·45 cites·20 claims
- 1095US7030652B1LUT-based logic element with support for Shannon decomposition and associated methodALTERA CORP·Filed 2004·Granted Apr 18, 2006·71 cites·19 claims
- 1194US11845181B1Suction cup filtration fittingAMAZON TECH INC·Filed 2021·Granted Dec 19, 2023·6 cites·17 claims
- 1294US8253463B1Pulse width control circuitryCHROMCZAK JEFFREY CHRISTOPHER·Filed 2010·Granted Aug 28, 2012·20 cites·20 claims
- 1394US7818705B1Method and apparatus for implementing a field programmable gate array architecture with programmable clock skewALTERA CORP·Filed 2005·Granted Oct 19, 2010·33 cites·18 claims
- 1494US7538579B1Omnibus logic elementALTERA CORP·Filed 2006·Granted May 26, 2009·22 cites·18 claims
- 1594US7180324B2Redundancy structures and methods in a programmable logic deviceALTERA CORP·Filed 2004·Granted Feb 20, 2007·53 cites·84 claims
- 1694US7129745B2Apparatus and methods for adjusting performance of integrated circuitsALTERA CORP·Filed 2004·Granted Oct 31, 2006·79 cites·9 claims
- 1793US8138786B2Apparatus and methods for adjusting performance of integrated circuitsLEWIS DAVID·Filed 2009·Granted Mar 20, 2012·17 cites·12 claims
- 1892US9660650B1Integrated circuits with improved register circuitryALTERA CORP·Filed 2014·Granted May 23, 2017·11 cites·26 claims
- 1992US8677298B1Programmable device configuration methods adapted to account for retimingALTERA CORP·Filed 2013·Granted Mar 18, 2014·18 cites·26 claims
- 2092US7167022B1Omnibus logic element including look up table based logic elementsALTERA CORP·Filed 2004·Granted Jan 23, 2007·47 cites·22 claims
- 2192US5045811ATuned ring oscillatorSEAGATE TECHNOLOGY·Filed 1990·Granted Sep 3, 1991·86 cites·8 claims
- 2291US9178513B1Memory blocks with shared address bus circuitryALTERA CORP·Filed 2013·Granted Nov 3, 2015·10 cites·25 claims
- 2391US7573317B2Apparatus and methods for adjusting performance of integrated circuitsALTERA CORP·Filed 2006·Granted Aug 11, 2009·16 cites·28 claims
- 2491US7218133B2Versatile logic element and logic array blockALTERA CORP·Filed 2005·Granted May 15, 2007·16 cites·6 claims
- 2590US8918706B1Methods and circuitry for performing parallel error checkingALTERA CORP·Filed 2012·Granted Dec 23, 2014·12 cites·20 claims
- 2690US8866527B1Integrated circuits with hold time avoidance circuitryLEWIS DAVID·Filed 2010·Granted Oct 21, 2014·11 cites·14 claims
- 2790US8560927B1Memory error detection circuitryPAGIAMTZIS KOSTAS·Filed 2010·Granted Oct 15, 2013·42 cites·16 claims
- 2890US8427213B2Robust time borrowing pulse latchesLEWIS DAVID·Filed 2012·Granted Apr 23, 2013·8 cites·18 claims
- 2990US8112678B1Error correction for programmable logic integrated circuitsLEWIS DAVID·Filed 2007·Granted Feb 7, 2012·21 cites·23 claims
- 3090US7583103B2Configurable time borrowing flip-flopsALTERA CORP·Filed 2007·Granted Sep 1, 2009·19 cites·12 claims
- 3190US7061268B1Initializing a carry chain in a programmable logic deviceALTERA CORP·Filed 2004·Granted Jun 13, 2006·40 cites·27 claims
- 3290US6965249B2Programmable logic device with redundant circuitryALTERA CORP·Filed 2002·Granted Nov 15, 2005·39 cites·109 claims
- 3390US6605962B2PLD architecture for flexible placement of IP function blocksALTERA CORP·Filed 2002·Granted Aug 12, 2003·27 cites·20 claims
- 3489US9362913B1Circuitry for implementing multi-mode redundancy and arithmetic functionsALTERA CORP·Filed 2014·Granted Jun 7, 2016·7 cites·23 claims
- 3589US8963581B1Pipelined direct drive routing fabricALTERA CORP·Filed 2012·Granted Feb 24, 2015·8 cites·16 claims
- 3689US8237465B1Omnibus logic element for packing or fracturingSCHLEICHER JAMES·Filed 2011·Granted Aug 7, 2012·9 cites·19 claims
- 3789US8115530B2Robust time borrowing pulse latchesLEWIS DAVID·Filed 2010·Granted Feb 14, 2012·7 cites·18 claims
- 3889US7772872B2Multi-row block supporting row level redundancy in a PLDALTERA CORP·Filed 2008·Granted Aug 10, 2010·17 cites·19 claims
- 3989US7676768B1Automatic asynchronous signal pipeliningALTERA CORP·Filed 2006·Granted Mar 9, 2010·13 cites·16 claims
- 4089US7400167B2Apparatus and methods for optimizing the performance of programmable logic devicesALTERA CORP·Filed 2005·Granted Jul 15, 2008·17 cites·24 claims
- 4188US9553590B1Configuring programmable integrated circuit device resources as processing elementsALTERA CORP·Filed 2012·Granted Jan 24, 2017·11 cites·24 claims
- 4288US7671625B1Omnibus logic elementALTERA CORP·Filed 2008·Granted Mar 2, 2010·10 cites·20 claims
- 4388US7405589B2Apparatus and methods for power management in integrated circuitsALTERA CORP·Filed 2005·Granted Jul 29, 2008·13 cites·23 claims
- 4488US6937064B1Versatile logic element and logic array blockALTERA CORP·Filed 2002·Granted Aug 30, 2005·26 cites·42 claims
- 4587US8890567B1High speed testing of integrated circuits including resistive elementsLEWIS DAVID·Filed 2010·Granted Nov 18, 2014·8 cites·19 claims
- 4687US7800401B1Fracturable lookup table and logic elementALTERA CORP·Filed 2007·Granted Sep 21, 2010·12 cites·17 claims
- 4787US7558812B1Structures for LUT-based arithmetic in PLDsALTERA CORP·Filed 2003·Granted Jul 7, 2009·25 cites·12 claims
- 4887US7185035B1Arithmetic structures for programmable logic devicesALTERA CORP·Filed 2003·Granted Feb 27, 2007·50 cites·56 claims
- 4986US9165931B1Apparatus for field-programmable gate array with configurable architecture and associated methodsSCHMIT HERMAN·Filed 2014·Granted Oct 20, 2015·6 cites·20 claims
- 5086US8863059B1Integrated circuit device configuration methods adapted to account for retimingALTERA CORP·Filed 2013·Granted Oct 14, 2014·7 cites·24 claims
Showing the top 50 of 192 patent records by PatentIndex Score.
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