Inventor · Redwood City, CA, US

Lei Sheng

12Patents
4h-index
25Co-inventors
60Inventor score

Filing activity: Nov 27, 2002 → Jun 8, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US10635671B2 Sort-merge band join optimization Physics 20 Active
US7379933B1 Union all rewrite for aggregate queries with grouping sets Emerging Cross-Sectional Technologies 18 Expired
US8041731B2 Efficient evaluation of SQL pivot operations Physics 5 Active
US7356542B2 DML statements for densifying data Emerging Cross-Sectional Technologies 5 Expired
US11151134B2 Method and system for efficient processing of polymorphic table functions Physics 2 Active
US11507579B2 Efficient compilation of graph queries involving long graph query patterns on top of SQL based relational engine Physics 1 Active
US12242487B2 Efficient compilation of bounded recursive graph queries on top of SQL based relational engine Physics 0 Active
US11331084B2 Portable liquid collection device Performing Operations; Transporting 0 Active
US11567932B2 Efficient compilation of graph queries on top of SQL based relational engine Physics 0 Active
US11989178B2 Efficient compilation of graph queries including complex expressions on top of sql based relational engine Physics 0 Active
US11828781B2 Transmission absorbing structure and antenna in-band characteristics test system Physics 0 Active
US12332893B2 Method and system to implement SQL macros Physics 0 Active

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