Inventor · disambiguated record
Sang Kyun Cha
Also filed as: CHA SANG K · CHA SANG KYUN
31 granted patents·2 pending applications·672 citations·filing 2001–2023
97Inventor score
Top patents by PatentIndex Score
33 records- 0196US8046334B2Dual access to concurrent data in a database management systemSAP AG·Filed 2011·Granted Oct 25, 2011·58 cites·18 claims
- 0295US7930274B2Dual access to concurrent data in a database management systemSAP AG·Filed 2007·Granted Apr 19, 2011·62 cites·22 claims
- 0395US7305421B2Parallelized redo-only logging and recovery for highly available main memory database systemsSAP AG·Filed 2002·Granted Dec 4, 2007·125 cites·56 claims
- 0494US8793276B2Client-side statement routing in distributed databaseLEE JUCHANG·Filed 2012·Granted Jul 29, 2014·33 cites·5 claims
- 0593US9558229B2Transaction private log buffering for high performance of transaction processingLEE JUCHANG·Filed 2014·Granted Jan 31, 2017·23 cites·14 claims
- 0693US9037677B2Update protocol for client-side routing informationLEE JUCHANG·Filed 2012·Granted May 19, 2015·30 cites·14 claims
- 0793US8700660B2Client-side statement routing for partitioned tablesLEE JUCHANG·Filed 2012·Granted Apr 15, 2014·31 cites·15 claims
- 0892US9483516B2Multi-version concurrency control across row store and column storeLEE JUCHANG·Filed 2014·Granted Nov 1, 2016·19 cites·19 claims
- 0991US9361340B2Processing database queries using format conversionSAP SE·Filed 2014·Granted Jun 7, 2016·10 cites·16 claims
- 1089US9892163B2Optimal operator placement for distributed query processingKIM KI HONG·Filed 2014·Granted Feb 13, 2018·13 cites·20 claims
- 1189US9336284B2Client-side statement routing in distributed databaseLEE JUCHANG·Filed 2014·Granted May 10, 2016·12 cites·20 claims
- 1288US9720992B2DML replication with logical log shippingLEE JOO YEON·Filed 2014·Granted Aug 1, 2017·12 cites·20 claims
- 1388US8880508B2Processing database queries using format conversionJEONG CHANHO·Filed 2010·Granted Nov 4, 2014·14 cites·16 claims
- 1488US7293028B2Cache-conscious concurrency control scheme for database systemsSAP AG·Filed 2002·Granted Nov 6, 2007·59 cites·14 claims
- 1586US8838578B2Interactive query plan visualization and optimizationYOON YONGSIK·Filed 2011·Granted Sep 16, 2014·10 cites·17 claims
- 1686US8121987B2Compression scheme for improving cache behavior in database systemsCHA SANG K·Filed 2010·Granted Feb 21, 2012·8 cites·18 claims
- 1784US7065537B2Method and system for highly-parallel logging and recovery operation in main-memory transaction processing systemsTRANSACT IN MEMORY INC·Filed 2001·Granted Jun 20, 2006·95 cites·37 claims
- 1883US9454560B2Cache-conscious concurrency control scheme for database systemsCHA SANG K·Filed 2007·Granted Sep 27, 2016·14 cites·33 claims
- 1982US12222944B2Processing database queries using format conversionSAP SE·Filed 2023·Granted Feb 11, 2025·0 cites·19 claims
- 2082US11137911B2Fast restart of applications using shared memorySAP SE·Filed 2019·Granted Oct 5, 2021·2 cites·20 claims
- 2182US9720949B2Client-side partition-aware batching of records for insert operationsLEE CHUL WON·Filed 2014·Granted Aug 1, 2017·10 cites·20 claims
- 2282US7797296B2Compression scheme for improving cache behavior in database systemsSAP AG·Filed 2007·Granted Sep 14, 2010·8 cites·24 claims
- 2379US11176132B2Processing database queries using format conversionSAP SE·Filed 2018·Granted Nov 16, 2021·1 cites·12 claims
- 2477US8589369B2Compression scheme for improving cache behavior in database systemsCHA SANG K·Filed 2012·Granted Nov 19, 2013·3 cites·20 claims
- 2577US7283987B2Compression scheme for improving cache behavior in database systemsSAP AG·Filed 2002·Granted Oct 16, 2007·17 cites·16 claims
- 2674US11755575B2Processing database queries using format conversionSAP SE·Filed 2021·Granted Sep 12, 2023·0 cites·19 claims
- 2768US9965500B2Mixed join of row and column database tables in native orientationYOON YONGSIK·Filed 2011·Granted May 8, 2018·2 cites·18 claims
- 2859US10127278B2Processing database queries using format conversionSAP SE·Filed 2016·Granted Nov 13, 2018·0 cites·19 claims
- 2957US9069809B2Compression scheme for improving cache behavior in database systemsSAP SE·Filed 2013·Granted Jun 30, 2015·0 cites·20 claims
- 3056US10444990B2Fast restart of applications using shared memoryKWON YONG SIK·Filed 2014·Granted Oct 15, 2019·0 cites·18 claims
- 3155US10133659B2Proactive memory allocationKIM HYEONG SEOG·Filed 2014·Granted Nov 20, 2018·1 cites·11 claims
- 3241US2013275468A1Client-side caching of database transaction tokenLEE JUCHANG·Filed 2012·Application pending·0 cites
- 3339US2016063378A1Interval disaggregatePARK KUNSOO·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →