Inventor · Cupertino, CA, US

Sankar Subramanian

38Patents
8h-index
45Co-inventors
75Inventor score

Filing activity: Jan 19, 2000 → Jan 19, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6771766B1 Methods and apparatus for providing live agent assistance Electricity 161 Expired
US7177855B2 Compile-time optimizations of queries with SQL spreadsheet Emerging Cross-Sectional Technologies 48 Expired
US7761403B2 Run-time optimizations of queries with SQL spreadsheet Emerging Cross-Sectional Technologies 35 Active
US7809712B2 Compile-time optimizations of queries with SQL spreadsheet Emerging Cross-Sectional Technologies 26 Active
US10635671B2 Sort-merge band join optimization Physics 20 Active
US7062465B1 Methods and apparatus for providing agent controlled synchronized browsing at a terminal Electricity 20 Expired
US9832501B2 Video programming and suggestion system Electricity 19 Active
US8135126B2 Methods and apparatus for providing live agent assistance Electricity 15 Active
US10572484B2 Duplicate reduction or elimination with hash join operations Physics 7 Active
US10452655B2 In-memory cursor duration temp tables Physics 7 Active
US9210646B2 Back-up path for in-home diagnostics and other communications Electricity 6 Active
US8041731B2 Efficient evaluation of SQL pivot operations Physics 5 Active
US7356542B2 DML statements for densifying data Emerging Cross-Sectional Technologies 5 Expired
US7296002B2 Methods and apparatus for providing agent controlled synchronized browsing at a terminal Electricity 5 Expired
US8315980B2 Parallel execution of window functions Physics 4 Active
US9467743B2 Personalized content aggregation platform Electricity 4 Active
US10572475B2 Leveraging columnar encoding for query operations Physics 3 Active
US11379476B2 Bitmap-based count distinct query rewrite in a relational SQL algebra Physics 3 Active
US9948984B2 Content publishing for personalized content aggregation platform Electricity 2 Active
US10205761B2 Forward error correction recovery and reconstruction Electricity 2 Active
US9979993B2 Network for personalized content aggregation platform Electricity 1 Active
US10007700B2 Query optimization for group-by extensions and distinct aggregate functions Physics 1 Active
US10491723B2 Content stream integrity and redundancy system Electricity 1 Active
US11468099B2 Automatic creation and maintenance of zone maps Physics 1 Active
US10367874B2 MPEG-DASH delivery over multicast Electricity 1 Active

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