Inventor · disambiguated record
Joon Chang
Also filed as: CHANG JOON · CHANG JOON-HYUK
60 granted patents·17 pending applications·373 citations·filing 2000–2025
98Inventor score
Files withIBM20IUCF HYU13ADKINS JANET E11UNIV HANYANG IND UNIV COOP FOUND7SAMSUNG ELECTRONICS CO LTD6
Top patents by PatentIndex Score
77 records- 0196US7440966B2Method and apparatus for file system snapshot persistenceIBM·Filed 2004·Granted Oct 21, 2008·145 cites·23 claims
- 0293US11854554B2Method and apparatus for combined learning using feature enhancement based on deep neural network and modified loss function for speaker recognition robust to noisy environmentsIUCF HYU·Filed 2020·Granted Dec 26, 2023·6 cites·4 claims
- 0385US7778961B2Delayed deletion of extended attributesIBM·Filed 2007·Granted Aug 17, 2010·13 cites·6 claims
- 0484US9886430B2Entity based content selectionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Feb 6, 2018·7 cites·20 claims
- 0584US7702662B2Method and system for handling reallocated blocks in a file systemIBM·Filed 2007·Granted Apr 20, 2010·12 cites·16 claims
- 0683US8458181B2Distributed free block map for a clustered redirect-on-write file systemADKINS JANET E·Filed 2010·Granted Jun 4, 2013·8 cites·21 claims
- 0783US8306950B2Managing data access requests after persistent snapshotsADKINS JANET E·Filed 2010·Granted Nov 6, 2012·7 cites·16 claims
- 0882US6850929B2System and method for managing file system extended attributesIBM·Filed 2001·Granted Feb 1, 2005·48 cites·18 claims
- 0979US8650158B2File cloning across different filesetsADKINS JANET E·Filed 2010·Granted Feb 11, 2014·4 cites·6 claims
- 1078US11854497B2Display apparatus, method for compensating for data signal thereof, and method for generating deep learning-based compensation modelLG DISPLAY CO LTD·Filed 2021·Granted Dec 26, 2023·1 cites·15 claims
- 1176US8396832B2Independent fileset generations in a clustered redirect-on-write filesystemADKINS JANET E·Filed 2010·Granted Mar 12, 2013·4 cites·25 claims
- 1275US8180638B2Method for emotion recognition based on minimum classification errorKIM HYOUNG GON·Filed 2010·Granted May 15, 2012·11 cites·6 claims
- 1375US7284019B2Apparatus, system, and method for differential backup using snapshot on-write dataIBM·Filed 2004·Granted Oct 16, 2007·21 cites·23 claims
- 1474US9536539B2Nonlinear acoustic echo signal suppression system and method using volterra filterINDUSTRY-UNIV COOP FOUND HANYANG UNIV·Filed 2015·Granted Jan 3, 2017·3 cites·11 claims
- 1574US7472138B2System and method for handing input/output errors during recovery of journaling files in a data processing systemIBM·Filed 2004·Granted Dec 30, 2008·25 cites·12 claims
- 1673US8495112B2Distributed file hierarchy management in a clustered redirect-on-write file systemADKINS JANET E·Filed 2010·Granted Jul 23, 2013·3 cites·15 claims
- 1771US8904006B2In-flight block map for a clustered redirect-on-write filesystemCHANG JOON·Filed 2010·Granted Dec 2, 2014·3 cites·12 claims
- 1871US8626713B2Multiple contexts in a redirect on write file systemADKINS JANET E·Filed 2010·Granted Jan 7, 2014·3 cites·20 claims
- 1971US8195611B2Using a sparse file as a clone of a fileADKINS JANET E·Filed 2009·Granted Jun 5, 2012·4 cites·14 claims
- 2069US7958325B2Handling temporary files in a file system with snapshotsIBM·Filed 2007·Granted Jun 7, 2011·4 cites·18 claims
- 2167US9847093B2Method and apparatus for processing speech signalSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Dec 19, 2017·2 cites·18 claims
- 2266US8396833B2Inode management in redirect-on-write file systemCHANG JOON·Filed 2010·Granted Mar 12, 2013·2 cites·18 claims
- 2364US8578283B2Suppressing unwanted UI experiencesWHYTOCK CHRIS·Filed 2008·Granted Nov 5, 2013·4 cites·14 claims
- 2462US7340487B2Delayed deletion of extended attributesIBM·Filed 2004·Granted Mar 4, 2008·7 cites·3 claims
- 2561US11721141B2Method of AI-based vehicle diagnosis using CAN data and device thereofHYUNDAI MOTOR CO LTD·Filed 2021·Granted Aug 8, 2023·0 cites·14 claims
- 2661US8959227B2In-flight block map for a clustered redirect-on-write filesystemCHANG JOON·Filed 2012·Granted Feb 17, 2015·1 cites·11 claims
- 2760US12296837B2Vehicle judder diagnostic method using artificial intelligence and mobile-based GDSHYUNDAI MOTOR CO LTD·Filed 2022·Granted May 13, 2025·0 cites·18 claims
- 2859US11972751B2Method and apparatus for detecting voice end point using acoustic and language modeling information for robust voiceIUCF HYU·Filed 2020·Granted Apr 30, 2024·0 cites·15 claims
- 2959US6625614B1Implementation for efficient access of extended attribute dataIBM·Filed 2000·Granted Sep 23, 2003·8 cites·67 claims
- 3058US11790929B2WPE-based dereverberation apparatus using virtual acoustic channel expansion based on deep neural networkIUCF HYU·Filed 2021·Granted Oct 17, 2023·0 cites·10 claims
- 3158US11238877B2Generative adversarial network-based speech bandwidth extender and extension methodUNIV HANYANG IND UNIV COOP FOUND·Filed 2018·Granted Feb 1, 2022·1 cites·12 claims
- 3258US11017791B2Deep neural network-based method and apparatus for combining noise and echo removalUNIV HANYANG IND UNIV COOP FOUND·Filed 2018·Granted May 25, 2021·1 cites·11 claims
- 3357US12300266B2Computing device for attention-based joint training with noise suppression model for sound event detection technology robust against noise environment and method of thereofIUCF HYU·Filed 2022·Granted May 13, 2025·0 cites·7 claims
- 3457US11908447B2Method and apparatus for synthesizing multi-speaker speech using artificial neural networkIUCF HYU·Filed 2021·Granted Feb 20, 2024·0 cites·9 claims
- 3557US9020899B2File cloning across different filesetsIBM·Filed 2014·Granted Apr 28, 2015·0 cites·10 claims
- 3656US8190657B2Method and system for handling reallocated blocks in a file systemADKINS JANET E·Filed 2009·Granted May 29, 2012·0 cites·20 claims
- 3756US7213244B2Apparatus and method for distribution of work on a doubly linked list among processing threadsIBM·Filed 2003·Granted May 1, 2007·5 cites·20 claims
- 3855US7200686B2Method, apparatus, and program product for facilitating serialization of input/output requests to a logical volume allowing nonserialized input/output requestsIBM·Filed 2002·Granted Apr 3, 2007·4 cites·21 claims
- 3955US2022378306A1Apparatus and method for estimating bio-informationSAMSUNG ELECTRONICS CO LTD·Filed 2021·Application pending·0 cites
- 4054US12426790B2Apparatus and method for estimating blood pressureSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Sep 30, 2025·0 cites·13 claims
- 4154US2023351174A1Method of automatically creating ai diagnostic model for diagnosing abnormal state based on noise and vibration data to which enas is appliedHYUNDAI MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 4253US12475370B2System and method for automating design of sound source separation deep learning modelIUCF HYU·Filed 2022·Granted Nov 18, 2025·0 cites·9 claims
- 4353US8666943B2File cloning across different filesetsADKINS JANET E·Filed 2012·Granted Mar 4, 2014·0 cites·11 claims
- 4453US6732248B2System and method for ghost offset utilization in sequential byte stream semanticsIBM·Filed 2001·Granted May 4, 2004·4 cites·20 claims
- 4553US2013318086A1Distributed file hierarchy management in a clustered redirect-on-write file systemIBM·Filed 2013·Application pending·0 cites
- 4652US12257034B2Apparatus and method for estimating bio-informationSAMSUNG ELECTRONICS CO LTD·Filed 2021·Granted Mar 25, 2025·0 cites·25 claims
- 4752US12067989B2Combined learning method and apparatus using deepening neural network based feature enhancement and modified loss function for speaker recognition robust to noisy environmentsIUCF HYU·Filed 2020·Granted Aug 20, 2024·0 cites·14 claims
- 4851US12207907B2Apparatus and method for estimating blood pressureSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Jan 28, 2025·0 cites·10 claims
- 4951US9729602B2Audio signal quality measurement in mobile deviceINHA-INDUSTRY PARTNERSHIP INST·Filed 2016·Granted Aug 8, 2017·0 cites·20 claims
- 5051US8521690B2Using a sparse file as a clone of a fileADKINS JANET E·Filed 2012·Granted Aug 27, 2013·0 cites·14 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →