Inventor · disambiguated record
Jonathan Ashley
Also filed as: ASHLEY JONATHAN · ASHLEY JONATHAN J · ASHLEY JONATHAN JAMES
37 granted patents·1 pending application·694 citations·filing 1982–2009
98Inventor score
Files withINFINEON TECHNOLOGIES CORP13AGERE SYSTEMS INC9IBM6INFINEON TECHNOLOGIES AG5ASHLEY JONATHAN J2
Top patents by PatentIndex Score
38 records- 0194US6594094B2Read/write channelINFINEON TECHNOLOGIES CORP·Filed 2001·Granted Jul 15, 2003·86 cites·17 claims
- 0293US6587292B1Magneto-resistive asymmetry compensation loopINFINEON TECHNOLOGIES CORP·Filed 2000·Granted Jul 1, 2003·45 cites·13 claims
- 0391US7646829B2Composite data detector and a method for detecting dataAGERE SYSTEMS INC·Filed 2004·Granted Jan 12, 2010·87 cites·20 claims
- 0491US6657802B1Phase assisted synchronization detectorINFINEON TECHNOLOGIES CORP·Filed 1999·Granted Dec 2, 2003·106 cites·10 claims
- 0588US7191083B2Method and apparatus for calibrating data-dependent noise predictionINFINEON TECHNOLOGIES AG·Filed 2006·Granted Mar 13, 2007·16 cites·20 claims
- 0688US6493403B1Asynchronous timing for interpolated timing recoveryINFINEON TECHNOLOGIES CORP·Filed 2000·Granted Dec 10, 2002·24 cites·12 claims
- 0785US6600615B1Synchronous timing for interpolated timing recoveryINFINEON TECHNOLOGIES CORP·Filed 2000·Granted Jul 29, 2003·20 cites·11 claims
- 0883US7607072B2Method and apparatus for-soft-output viterbi detection using a multiple-step trellisAGERE SYSTEMS INC·Filed 2005·Granted Oct 20, 2009·9 cites·18 claims
- 0983US6788485B2Synchronous timing for interpolated timing recoveryINFINEON TECHNOLOGIES CORP·Filed 2003·Granted Sep 7, 2004·15 cites·17 claims
- 1082US7487432B2Method and apparatus for multiple step Viterbi detection with local feedbackAGERE SYSTEMS INC·Filed 2004·Granted Feb 3, 2009·15 cites·25 claims
- 1182US6889154B2Method and apparatus for calibrating data-dependent noise predictionINFINEON TECHNOLOGIES AG·Filed 2003·Granted May 3, 2005·23 cites·6 claims
- 1279US7516394B2Method and apparatus for combined encoder/syndrome computer with programmable parity levelAGERE SYSTEMS INC·Filed 2005·Granted Apr 7, 2009·11 cites·20 claims
- 1376US7165000B2Method and apparatus for calibrating data-dependent noise predictionINFINEON TECHNOLOGIES AG·Filed 2005·Granted Jan 16, 2007·8 cites·15 claims
- 1476US6714603B2Asynchronous timing for interpolated timing recoveryINFINEON TECHNOLOGIES CORP·Filed 2002·Granted Mar 30, 2004·22 cites·9 claims
- 1576US5969649ARun length limited encoding/decoding with robust resyncIBM·Filed 1998·Granted Oct 19, 1999·40 cites·45 claims
- 1675US7865814B2Path metric difference computation unit for computing path differences through a multiple-step trellisAGERE SYSTEMS INC·Filed 2009·Granted Jan 4, 2011·1 cites·20 claims
- 1770US6853509B2Acquisition signal error estimatorINFINEON TECHNOLOGIES CORP·Filed 2002·Granted Feb 8, 2005·6 cites·18 claims
- 1869US6680980B1Supporting ME2PRML and M2EPRML with the same trellis structureINFINEON TECHNOLOGIES CORP·Filed 2000·Granted Jan 20, 2004·16 cites·14 claims
- 1967US7522678B2Method and apparatus for a data-dependent noise predictive viterbiINFINEON TECHNOLOGIES AG·Filed 2003·Granted Apr 21, 2009·5 cites·16 claims
- 2065US5907581ATwo-dimensional low-pass filtering code apparatus and methodIBM·Filed 1996·Granted May 25, 1999·26 cites·48 claims
- 2165US4474377AEleven-plane cubical puzzleASHLEY JONATHAN J·Filed 1982·Granted Oct 2, 1984·18 cites·1 claims
- 2263US8407571B2Methods and apparatus for processing a received signal using a multiple-step trellis and selection signals for multiple trellis pathsASHLEY JONATHAN JAMES·Filed 2009·Granted Mar 26, 2013·3 cites·20 claims
- 2361US6549354B1Acquisition signal error estimatorINFINEON TECHNOLOGIES CORP·Filed 2000·Granted Apr 15, 2003·3 cites·8 claims
- 2458US6774825B2Modulation coding based on an ECC interleave structureINFINEON TECHNOLOGIES AG·Filed 2002·Granted Aug 10, 2004·9 cites·25 claims
- 2557US7561649B2Method and apparatus for synchronization mark detection with DC compensationAGERE SYSTEMS INC·Filed 2004·Granted Jul 14, 2009·6 cites·16 claims
- 2657US7526707B2Method and apparatus for encoding and decoding data using a pseudo-random interleaverAGERE SYSTEMS INC·Filed 2005·Granted Apr 28, 2009·4 cites·31 claims
- 2753US7137056B2Low error propagation rate 32/34 trellis codeINFINEON TECHNOLOGIES CORP·Filed 2002·Granted Nov 14, 2006·2 cites·34 claims
- 2853US6469851B1Acquisition signal error estimatorINFINEON TECHNOLOGIES CORP·Filed 2000·Granted Oct 22, 2002·2 cites·18 claims
- 2953US6016330AEncoding and detection of balanced codesIBM·Filed 1996·Granted Jan 18, 2000·31 cites·4 claims
- 3050US4451040ATabular puzzleASHLEY JONATHAN J·Filed 1982·Granted May 29, 1984·10 cites·1 claims
- 3146US7937649B2Reliability unit for determining a reliability value for at least one bit decisionAGERE SYSTEMS INC·Filed 2009·Granted May 3, 2011·0 cites·25 claims
- 3246US6141783AError propagation limiting encoder/decoder for multilevel decision feedback equalizationIBM·Filed 1998·Granted Oct 31, 2000·11 cites·32 claims
- 3344US9171571B2Read channel operable to calibrate a coefficient of a filter, such as an FIR filter, disposed before an interpolated-timing-recovery circuit, and related integrated circuit, system, and methodOZDEMIR HAKAN·Filed 2007·Granted Oct 27, 2015·0 cites·13 claims
- 3443US4881076AEncoding for pit-per-transition optical data recordingIBM·Filed 1987·Granted Nov 14, 1989·5 cites·8 claims
- 3540US5946354AHard disk drive read channel with half speed timingIBM·Filed 1996·Granted Aug 31, 1999·4 cites·19 claims
- 3635US2008140740A1Systems and methods for processing data sets in parallelAGERE SYSTEMS INC·Filed 2006·Application pending·0 cites
- 3734US6408419B1Trellis code for extended partial response maximum likelihood (EPRML) channelINFINEON TECHNOLOGIES CORP·Filed 1999·Granted Jun 18, 2002·5 cites·10 claims
- 3830US8223827B2Method and apparatus for generating filter tap weights and biases for signal dependent branch metric computationASHLEY JONATHAN JAMES·Filed 2004·Granted Jul 17, 2012·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →