Inventor · Dublin, CA, US

Xun Cheng

28Patents
6h-index
32Co-inventors
65Inventor score

Filing activity: Apr 20, 2006 → Aug 24, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7719806B1 Systems and methods for ESD protection Electricity 28 Active
US7646063B1 Compact CMOS ESD layout techniques with either fully segmented salicide ballasting (FSSB) in the source and/or drain regions Electricity 11 Active
US9213740B2 System and methodology for automatic tuning of database query optimizer Physics 7 Active
US7777248B1 Semiconductor device for latch-up prevention Electricity 7 Active
US9836505B2 Star and snowflake join query performance Physics 7 Active
US9792328B2 Splitting of a join operation to allow parallelization Physics 6 Active
US8080832B1 Semiconductor device for electrostatic discharge protection Electricity 5 Active
US11429610B2 Scaled-out query execution engine Physics 5 Active
US7400237B2 Signaling system for use in a vehicle to provide a signal indicative of a change in a vehicle speed Electricity 4 Active
US9075858B2 Non-disruptive data movement and node rebalancing in extreme OLTP environments Physics 3 Active
US9703825B2 Maintenance of a pre-computed result set Physics 2 Active
US11341132B2 Generating a producer-driven execution plan from a consumer-driven iterator-based execution plan Physics 2 Active
US7985644B1 Methods for forming fully segmented salicide ballasting (FSSB) in the source and/or drain region Electricity 1 Active
US9454574B2 Bloom filter costing estimation Physics 1 Active
US9778918B2 Native access plan source code generation Physics 0 Active
US11334489B2 Elastic columnar cache for cloud databases Physics 0 Active
US12124376B2 Elastic columnar cache for cloud databases Physics 0 Active
US12292887B2 Columnar cache query using hybrid query execution plan Physics 0 Active
US11625384B2 Constraint data statistics for dynamic partition pruning Physics 0 Active
US10133777B2 Eliminating redundancy when generating intermediate representation code Physics 0 Active
US10817514B2 Splitting of a join operation to allow parallelization Physics 0 Active
US12380109B2 Database join operations with early filtering Physics 0 Active
US10503481B2 Generating a native access plan for dynamic entity calling Physics 0 Active
US10664475B2 Generating a native access plan for semi join operators Physics 0 Active
US11782921B2 Columnar cache query using hybrid query execution plan Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.