Inventor · disambiguated record
Xun Cheng
Also filed as: CHENG XUN · CHENG XUN BILL
28 granted patents·3 pending applications·148 citations·filing 2006–2024
95Inventor score
Top patents by PatentIndex Score
31 records- 0196US7719806B1Systems and methods for ESD protectionPMC SIERRA INC·Filed 2007·Granted May 18, 2010·52 cites·70 claims
- 0292US7646063B1Compact CMOS ESD layout techniques with either fully segmented salicide ballasting (FSSB) in the source and/or drain regionsPMC SIERRA INC·Filed 2006·Granted Jan 12, 2010·23 cites·13 claims
- 0388US11429610B2Scaled-out query execution engineSAP SE·Filed 2020·Granted Aug 30, 2022·6 cites·20 claims
- 0487US9836505B2Star and snowflake join query performanceSYBASE INC·Filed 2014·Granted Dec 5, 2017·10 cites·19 claims
- 0585US7777248B1Semiconductor device for latch-up preventionPMC SIERRA INC·Filed 2008·Granted Aug 17, 2010·14 cites·36 claims
- 0684US9792328B2Splitting of a join operation to allow parallelizationSYBASE INC·Filed 2014·Granted Oct 17, 2017·6 cites·20 claims
- 0778US9213740B2System and methodology for automatic tuning of database query optimizerANDREI MIHNEA·Filed 2007·Granted Dec 15, 2015·10 cites·25 claims
- 0877US2025036567A1Elastic Columnar Cache for Cloud DatabasesGOOGLE LLC·Filed 2024·Application pending·0 cites
- 0976US11341132B2Generating a producer-driven execution plan from a consumer-driven iterator-based execution planSYBASE INC·Filed 2015·Granted May 24, 2022·3 cites·20 claims
- 1073US2025036625A1Late Materialization of Queried Data in Database CacheGOOGLE LLC·Filed 2024·Application pending·0 cites
- 1170US12292887B2Columnar cache query using hybrid query execution planGOOGLE LLC·Filed 2023·Granted May 6, 2025·0 cites·16 claims
- 1269US12124376B2Elastic columnar cache for cloud databasesGOOGLE LLC·Filed 2022·Granted Oct 22, 2024·0 cites·18 claims
- 1369US7985644B1Methods for forming fully segmented salicide ballasting (FSSB) in the source and/or drain regionPMC SIERRA INC·Filed 2009·Granted Jul 26, 2011·3 cites·11 claims
- 1468US8080832B1Semiconductor device for electrostatic discharge protectionBOYD GRAEME B·Filed 2008·Granted Dec 20, 2011·6 cites·19 claims
- 1567US9075858B2Non-disruptive data movement and node rebalancing in extreme OLTP environmentsANDRE MIHNEA·Filed 2010·Granted Jul 7, 2015·4 cites·22 claims
- 1666US11782921B2Columnar cache query using hybrid query execution planGOOGLE LLC·Filed 2021·Granted Oct 10, 2023·0 cites·20 claims
- 1764US11334489B2Elastic columnar cache for cloud databasesGOOGLE LLC·Filed 2020·Granted May 17, 2022·0 cites·22 claims
- 1863US12038894B2Evaluating row-store expressions on a column-store databaseGOOGLE LLC·Filed 2023·Granted Jul 16, 2024·0 cites·20 claims
- 1963US9454574B2Bloom filter costing estimationCHENG XUN·Filed 2014·Granted Sep 27, 2016·2 cites·20 claims
- 2062US12130814B2Late materialization of queried data in database cacheGOOGLE LLC·Filed 2021·Granted Oct 29, 2024·0 cites·20 claims
- 2162US9703825B2Maintenance of a pre-computed result setZHOU XIAO MING·Filed 2013·Granted Jul 11, 2017·3 cites·18 claims
- 2258US7400237B2Signaling system for use in a vehicle to provide a signal indicative of a change in a vehicle speedCHENG CHRISTL·Filed 2006·Granted Jul 15, 2008·6 cites·17 claims
- 2357US11625384B2Constraint data statistics for dynamic partition pruningSAP SE·Filed 2017·Granted Apr 11, 2023·0 cites·21 claims
- 2455US10817514B2Splitting of a join operation to allow parallelizationSYBASE INC·Filed 2017·Granted Oct 27, 2020·0 cites·18 claims
- 2554US12380109B2Database join operations with early filteringGOOGLE LLC·Filed 2022·Granted Aug 5, 2025·0 cites·20 claims
- 2646US10133777B2Eliminating redundancy when generating intermediate representation codeSYBASE INC·Filed 2015·Granted Nov 20, 2018·0 cites·17 claims
- 2745US2023141891A1Autonomous Column Selection for Columnar CacheGOOGLE LLC·Filed 2021·Application pending·0 cites
- 2844US11468093B2Synopsis based advanced partition eliminationSAP SE·Filed 2017·Granted Oct 11, 2022·0 cites·17 claims
- 2942US10664475B2Generating a native access plan for semi join operatorsSYBASE INC·Filed 2015·Granted May 26, 2020·0 cites·20 claims
- 3042US10503481B2Generating a native access plan for dynamic entity callingSYBASE INC·Filed 2015·Granted Dec 10, 2019·0 cites·18 claims
- 3140US9778918B2Native access plan source code generationSYBASE INC·Filed 2015·Granted Oct 3, 2017·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →