Inventor · disambiguated record
Roy D. Cideciyan
Also filed as: CIDECIYAN ROY · CIDECIYAN ROY D · CIDECIYAN ROY DARON
147 granted patents·3 pending applications·1,740 citations·filing 1990–2022
99Inventor score
Files withIBM107CIDECIYAN ROY D19HITACHI GLOBAL STORAGE TECH9CIDECIYAN ROY DARON7GLOBALFOUNDRIES INC2
Top patents by PatentIndex Score
150 records- 0199US7839599B2Combining information from parallel servo channelsIBM·Filed 2009·Granted Nov 23, 2010·106 cites·3 claims
- 0299US5331320ACoding method and apparatus using quaternary codesIBM·Filed 1992·Granted Jul 19, 1994·240 cites·19 claims
- 0398US8643515B2Compressing data using an encoding tableIBM·Filed 2012·Granted Feb 4, 2014·42 cites·14 claims
- 0498US8000057B2Combining information from parallel servo channelsIBM·Filed 2010·Granted Aug 16, 2011·99 cites·6 claims
- 0596US7071851B1Techniques for implementing non-uniform constraints in modulation encoded dataHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 4, 2006·46 cites·20 claims
- 0696US7030789B1Techniques for applying modulation constraints to data using periodically changing symbol mappingsHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Apr 18, 2006·71 cites·25 claims
- 0795US10937453B1Magnetic tape device capable of selecting codeword rewrite based on determined thresholdIBM·Filed 2020·Granted Mar 2, 2021·5 cites·20 claims
- 0895US7864487B2Head design for writing servo patterns on magnetic tapeIBM·Filed 2008·Granted Jan 4, 2011·19 cites·22 claims
- 0995US7742254B2Servo channel for tape drive systemsIBM·Filed 2008·Granted Jun 22, 2010·21 cites·20 claims
- 1095US7421640B2Method and apparatus for providing error correction capability to longitudinal position dataIBM·Filed 2005·Granted Sep 2, 2008·18 cites·5 claims
- 1194US9413392B1Post-decoding error check with diagnostics for product codesIBM·Filed 2015·Granted Aug 9, 2016·11 cites·24 claims
- 1294US7486208B2High-rate RLL encodingIBM·Filed 2007·Granted Feb 3, 2009·17 cites·1 claims
- 1394US6901119B2Method and apparatus for implementing soft-input/soft-output iterative detectors/decodersIBM·Filed 2001·Granted May 31, 2005·64 cites·21 claims
- 1494US6460150B1Noise-predictive post-processing for PRML data channelIBM·Filed 2000·Granted Oct 1, 2002·47 cites·13 claims
- 1593US9412410B1Track-dependent decodingIBM·Filed 2015·Granted Aug 9, 2016·14 cites·25 claims
- 1692US7787204B2Error correction coding of longitudinal position informationIBM·Filed 2008·Granted Aug 31, 2010·13 cites·10 claims
- 1792US7193802B2Apparatus for providing dynamic equalizer optimizationHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Mar 20, 2007·34 cites·32 claims
- 1891US8692696B2Generating a code alphabet of symbols to generate codewords for words used with a programCIDECIYAN ROY D·Filed 2012·Granted Apr 8, 2014·10 cites·27 claims
- 1991US8027111B2Word synchronization for servo read signals in tape drivesIBM·Filed 2009·Granted Sep 27, 2011·11 cites·15 claims
- 2091US7432834B1RLL encoding for LTO-5 tapeIBM·Filed 2007·Granted Oct 7, 2008·12 cites·8 claims
- 2191US6557124B1Method and system for encoding data for high performance error controlIBM·Filed 2000·Granted Apr 29, 2003·36 cites·18 claims
- 2290US10901825B2Implementing a storage drive utilizing a streaming modeIBM·Filed 2018·Granted Jan 26, 2021·6 cites·17 claims
- 2390US8929014B2Tape header protection scheme for use in a tape storage subsystemIBM·Filed 2013·Granted Jan 6, 2015·10 cites·20 claims
- 2490US7876516B2Rewrite-efficient ECC/interleaving for multi-track recording on magnetic tapeIBM·Filed 2009·Granted Jan 25, 2011·23 cites·35 claims
- 2589US8904261B2Data management in solid state storage devicesCIDECIYAN ROY D·Filed 2010·Granted Dec 2, 2014·11 cites·16 claims
- 2689US8139304B2Tape layout design for reliable ECC decodingCIDECIYAN ROY DARON·Filed 2010·Granted Mar 20, 2012·13 cites·20 claims
- 2789US7881008B2Joint specification of servo format and servo reader parameters for tape drive systemsIBM·Filed 2008·Granted Feb 1, 2011·9 cites·19 claims
- 2889US7813070B2Error correction capability for longitudinal position data in a tape storage systemIBM·Filed 2008·Granted Oct 12, 2010·9 cites·21 claims
- 2988US11862194B1Adaptive data detection on a nonlinear channelIBM·Filed 2022·Granted Jan 2, 2024·2 cites·18 claims
- 3088US9183852B2Magnetic tape recording in data format using an efficient reverse concatenated modulation codeIBM·Filed 2013·Granted Nov 10, 2015·12 cites·15 claims
- 3188US8144414B2Data interleaving in tape drivesCHERUBINI GIOVANNI·Filed 2010·Granted Mar 27, 2012·10 cites·15 claims
- 3288US6643814B1Maximum transition run encoding and decoding systemsIBM·Filed 2000·Granted Nov 4, 2003·47 cites·49 claims
- 3387US10120599B2Low latency lateral decoding of data for retrieval from magnetic tapeIBM·Filed 2016·Granted Nov 6, 2018·5 cites·24 claims
- 3487US9251846B2Tape header protection scheme for use in a tape storage subsystemGLOBALFOUNDRIES INC·Filed 2014·Granted Feb 2, 2016·7 cites·20 claims
- 3587US8495470B2Efficient rewrite technique for tape drivesCIDECIYAN ROY DARON·Filed 2010·Granted Jul 23, 2013·11 cites·20 claims
- 3686US9287900B2Decoding of product codesIBM·Filed 2014·Granted Mar 15, 2016·7 cites·20 claims
- 3786US9170933B2Wear-level of cells/pages/sub-pages/blocks of a memoryCIDECIYAN ROY D·Filed 2011·Granted Oct 27, 2015·9 cites·18 claims
- 3886US8964321B2Iterative data storage read channel architecture having dropout mitigationIBM·Filed 2013·Granted Feb 24, 2015·7 cites·20 claims
- 3985US9673839B2Decoding of product codesIBM·Filed 2016·Granted Jun 6, 2017·4 cites·20 claims
- 4085US9037951B2Data management in solid state storage systemsCIDECIYAN ROY D·Filed 2010·Granted May 19, 2015·12 cites·20 claims
- 4185US8910012B2Block-interleaved and error correction code (ECC)-encoded sub data set (SDS) formatIBM·Filed 2012·Granted Dec 9, 2014·9 cites·24 claims
- 4284US9601160B2Efficient multichannel data format using variable-length headersIBM·Filed 2016·Granted Mar 21, 2017·5 cites·20 claims
- 4384US9373357B1Error protection of data stored using variable-length headersIBM·Filed 2015·Granted Jun 21, 2016·5 cites·20 claims
- 4484US8259405B2Rewriting codeword objects to magnetic data tape upon detection of an errorCIDECIYAN ROY D·Filed 2009·Granted Sep 4, 2012·5 cites·32 claims
- 4584US7719444B2Modulation codingIBM·Filed 2008·Granted May 18, 2010·5 cites·25 claims
- 4684US7679535B2High-rate RLL encodingIBM·Filed 2008·Granted Mar 16, 2010·12 cites·29 claims
- 4783US10256845B1Symbol timing recovery based on speculative tentative symbol decisionsIBM·Filed 2018·Granted Apr 9, 2019·4 cites·20 claims
- 4883US9666225B2Efficient recovery of the codeword interleave addressIBM·Filed 2015·Granted May 30, 2017·6 cites·25 claims
- 4983US9311960B1Efficient multichannel data format using variable-length headersIBM·Filed 2015·Granted Apr 12, 2016·5 cites·20 claims
- 5083US9176817B2Data management in solid state storage devicesCIDECIYAN ROY D·Filed 2012·Granted Nov 3, 2015·7 cites·9 claims
Showing the top 50 of 150 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →