Inventor · disambiguated record
David J. Hathaway
Also filed as: HATHAWAY DAVID · HATHAWAY DAVID J · HATHAWAY DAVID JAMES
130 granted patents·5 pending applications·2,694 citations·filing 1974–2019
99Inventor score
Top patents by PatentIndex Score
135 records- 0199US7308669B2Use of redundant routes to increase the yield and reliability of a VLSI layoutIBM·Filed 2005·Granted Dec 11, 2007·211 cites·40 claims
- 0297US6536024B1Method for making integrated circuits having gated clock treesIBM·Filed 2000·Granted Mar 18, 2003·166 cites·29 claims
- 0395US7093208B2Method for tuning a digital design for synthesized random logic circuit macros in a continuous design space with optional insertion of multiple threshold voltage devicesIBM·Filed 2004·Granted Aug 15, 2006·234 cites·17 claims
- 0495US6300809B1Double-edge-triggered flip-flop providing two data transitions per clock cycleIBM·Filed 2000·Granted Oct 9, 2001·68 cites·6 claims
- 0592US9519747B1Dynamic and adaptive timing sensitivity during static timing analysis using look-up tableGLOBALFOUNDRIES INC·Filed 2015·Granted Dec 13, 2016·10 cites·20 claims
- 0692US8839167B1Reducing runtime and memory requirements of static timing analysisIBM·Filed 2013·Granted Sep 16, 2014·18 cites·19 claims
- 0792US7225421B2Clock tree distribution generation by determining allowed placement regions for clocked elementsIBM·Filed 2005·Granted May 29, 2007·38 cites·24 claims
- 0892US7089143B2Method and system for evaluating timing in an integrated circuitIBM·Filed 2004·Granted Aug 8, 2006·41 cites·19 claims
- 0991US8856709B2Systems and methods for correlated parameters in statistical static timing analysisIBM·Filed 2013·Granted Oct 7, 2014·12 cites·16 claims
- 1091US7525373B1Compensation of process and voltage variability in multi-threshold dynamic voltage scaling circuitsIBM·Filed 2008·Granted Apr 28, 2009·26 cites·1 claims
- 1191US7142991B2Voltage dependent parameter analysisIBM·Filed 2005·Granted Nov 28, 2006·28 cites·28 claims
- 1291US7117466B2System and method for correlated process pessimism removal for static timing analysisIBM·Filed 2003·Granted Oct 3, 2006·75 cites·28 claims
- 1390US9418188B1Optimizing placement of circuit resources using a globally accessible placement memoryIBM·Filed 2016·Granted Aug 16, 2016·5 cites·1 claims
- 1490US7624366B2Clock aware placementIBM·Filed 2006·Granted Nov 24, 2009·27 cites·34 claims
- 1589US7444608B2Method and system for evaluating timing in an integrated circuitIBM·Filed 2006·Granted Oct 28, 2008·13 cites·11 claims
- 1689US6792582B1Concurrent logical and physical construction of voltage islands for mixed supply voltage designsIBM·Filed 2000·Granted Sep 14, 2004·65 cites·61 claims
- 1788US6609228B1Latch clustering for power optimizationIBM·Filed 2000·Granted Aug 19, 2003·59 cites·21 claims
- 1887US9436791B1Optimizing placement of circuit resources using a globally accessible placement memoryIBM·Filed 2015·Granted Sep 6, 2016·4 cites·20 claims
- 1987US9260182B2Integrated communication and application system for aircraftWESTJET AIRLINES LTD·Filed 2013·Granted Feb 16, 2016·9 cites·12 claims
- 2087US8775988B2Decentralized dynamically scheduled parallel static timing analysisLAVIN MARK A·Filed 2011·Granted Jul 8, 2014·15 cites·17 claims
- 2187US8381150B2Method for performing a parallel static timing analysis using thread-specific sub-graphsIBM·Filed 2011·Granted Feb 19, 2013·11 cites·20 claims
- 2287US6687883B2System and method for inserting leakage reduction control in logic circuitsIBM·Filed 2000·Granted Feb 3, 2004·46 cites·46 claims
- 2386US8689158B2System and method for performing static timing analysis in the presence of correlations between asserted arrival timesKALAFALA KERIM·Filed 2010·Granted Apr 1, 2014·12 cites·17 claims
- 2486US7716616B2Slack sensitivity to parameter variation based timing analysisIBM·Filed 2007·Granted May 11, 2010·12 cites·25 claims
- 2586US7404163B2Static timing slacks analysis and modificationIBM·Filed 2006·Granted Jul 22, 2008·16 cites·17 claims
- 2686US5508937AIncremental timing analysisIBM·Filed 1993·Granted Apr 16, 1996·134 cites·32 claims
- 2785US9650153B2Integrated communication and application system for aircraftWESTJET AIRLINES LTD·Filed 2015·Granted May 16, 2017·4 cites·23 claims
- 2885US8769452B2Parasitic extraction in an integrated circuit with multi-patterning requirementsIBM·Filed 2012·Granted Jul 1, 2014·7 cites·10 claims
- 2985US8707233B2Systems and methods for correlated parameters in statistical static timing analysisFOREMAN ERIC A·Filed 2011·Granted Apr 22, 2014·7 cites·16 claims
- 3085US7418689B2Method of generating wiring routes with matching delay in the presence of process variationIBM·Filed 2005·Granted Aug 26, 2008·12 cites·18 claims
- 3185US7325210B2Hybrid linear wire model approach to tuning transistor widths of circuits with RC interconnectIBM·Filed 2005·Granted Jan 29, 2008·17 cites·13 claims
- 3284US9542524B2Static timing analysis (STA) using derived boundary timing constraints for out-of-context (OOC) hierarchical entity analysis and abstractionIBM·Filed 2015·Granted Jan 10, 2017·5 cites·18 claims
- 3384US9400864B2System and method for maintaining slack continuity in incremental statistical timing analysisIBM·Filed 2014·Granted Jul 26, 2016·7 cites·13 claims
- 3484US8949765B2Modeling multi-patterning variability with statistical timingIBM·Filed 2013·Granted Feb 3, 2015·5 cites·7 claims
- 3584US7398491B2Method for fast incremental calculation of an impact of coupled noise on timingIBM·Filed 2006·Granted Jul 8, 2008·14 cites·18 claims
- 3684US7302673B2Method and system for performing shapes correction of a multi-cell reticle photomask designIBM·Filed 2005·Granted Nov 27, 2007·7 cites·20 claims
- 3784US7010763B2Method of optimizing and analyzing selected portions of a digital integrated circuitIBM·Filed 2003·Granted Mar 7, 2006·38 cites·1 claims
- 3884US6711719B2Method and apparatus for reducing power consumption in VLSI circuit designsIBM·Filed 2001·Granted Mar 23, 2004·41 cites·19 claims
- 3983US9973263B2Integrated communication and application system for aircraftWESTJET AIRLINES LTD·Filed 2017·Granted May 15, 2018·3 cites·18 claims
- 4083US8850378B2Hierarchical design of integrated circuits with multi-patterning requirementsIBM·Filed 2012·Granted Sep 30, 2014·6 cites·12 claims
- 4183US8832625B2Systems and methods for correlated parameters in statistical static timing analysisIBM·Filed 2013·Granted Sep 9, 2014·5 cites·18 claims
- 4283US8141014B2System and method for common history pessimism relief during static timing analysisFOREMAN ERIC A·Filed 2009·Granted Mar 20, 2012·12 cites·23 claims
- 4383US7895556B2Method for optimizing an unrouted design to reduce the probability of timing problems due to coupling and long wire routesIBM·Filed 2007·Granted Feb 22, 2011·13 cites·18 claims
- 4483US7814448B2Representing and propagating a variational voltage waveform in statistical static timing analysis of digital circuitsIBM·Filed 2007·Granted Oct 12, 2010·13 cites·15 claims
- 4583US7698674B2System and method for efficient analysis of point-to-point delay constraints in static timingIBM·Filed 2006·Granted Apr 13, 2010·18 cites·14 claims
- 4682US9985843B2Efficient parallel processing of a network with conflict constraints between nodesIBM·Filed 2015·Granted May 29, 2018·3 cites·20 claims
- 4782US9747400B2Optimizing placement of circuit resources using a globally accessible placement memoryIBM·Filed 2016·Granted Aug 29, 2017·2 cites·1 claims
- 4882US9703914B2Optimizing placement of circuit resources using a globally accessible placement memoryIBM·Filed 2016·Granted Jul 11, 2017·2 cites·20 claims
- 4982US6986090B2Method for reducing switching activity during a scan operation with limited impact on the test coverage of an integrated circuitIBM·Filed 2002·Granted Jan 10, 2006·27 cites·21 claims
- 5082US6479974B2Stacked voltage rails for low-voltage DC distributionIBM·Filed 2000·Granted Nov 12, 2002·33 cites·12 claims
Showing the top 50 of 135 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →