Inventor · disambiguated record
Hansjorg Zeller
Also filed as: ZELLER HANSJORG
20 granted patents·3 pending applications·1,550 citations·filing 1995–2013
96Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO6TANDEM COMPUTERS INC6COMPAQ COMPUTER CORP2IBM2ABDELLATIF TAOUFIK B1
Top patents by PatentIndex Score
23 records- 0195US5822747ASystem and method for optimizing database queriesTANDEM COMPUTERS INC·Filed 1996·Granted Oct 13, 1998·278 cites·28 claims
- 0293US5511190AHash-based database grouping system and methodTANDEM COMPUTERS INC·Filed 1995·Granted Apr 23, 1996·269 cites·8 claims
- 0390US5819255ASystem and method for database query optimizationTANDEM COMPUTERS INC·Filed 1996·Granted Oct 6, 1998·198 cites·22 claims
- 0488US5717911ARelational database system and method with high availability compliation of SQL programsTANDEM COMPUTERS INC·Filed 1995·Granted Feb 10, 1998·167 cites·24 claims
- 0587US7680771B2Apparatus, system, and method for database provisioningIBM·Filed 2004·Granted Mar 16, 2010·61 cites·16 claims
- 0687US6604102B2System and method for performing database operations on a continuous stream of tuplesHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 5, 2003·59 cites·29 claims
- 0787US5724570AMethod and apparatus for a complete SQL subquery elimination processTANDEM COMPUTERS INC·Filed 1995·Granted Mar 3, 1998·104 cites·25 claims
- 0886US7818297B2System and method for refreshing a table using epochsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Oct 19, 2010·53 cites·30 claims
- 0986US6339772B1System and method for performing database operations on a continuous stream of tuplesCOMPAQ COMPUTER CORP·Filed 1999·Granted Jan 15, 2002·111 cites·36 claims
- 1083US6021405ASystem and method for optimizing database queries with improved performance enhancementsTANDEM COMPUTERS INC·Filed 1996·Granted Feb 1, 2000·125 cites·19 claims
- 1180US6438741B1System and method for eliminating compile time explosion in a top down rule based system using selective samplingCOMPAQ COMPUTER CORP·Filed 1999·Granted Aug 20, 2002·95 cites·41 claims
- 1277US8898142B2Risk-premium-based database-query optimizationAL-OMARI AWNY K·Filed 2009·Granted Nov 25, 2014·9 cites·17 claims
- 1367US9465826B2Estimating unique entry counts using a counting bloom filterHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2012·Granted Oct 11, 2016·2 cites·16 claims
- 1465US8666966B2Providing parallel result streams for database queriesRANGANATHAN VENKATESAN N·Filed 2009·Granted Mar 4, 2014·7 cites·15 claims
- 1565US8380699B2System and method for optimizing queriesHEWLETT PACKARD DEVELOPMENT CO·Filed 2009·Granted Feb 19, 2013·3 cites·16 claims
- 1661US10430411B2Incrementally updating statisticsHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Oct 1, 2019·1 cites·15 claims
- 1754US7765531B2Systems and methods for handling multiple static query modules for distinct environmentsHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Jul 27, 2010·6 cites·20 claims
- 1847US9535953B2Systems and methods for managing a databaseABDELLATIF TAOUFIK B·Filed 2010·Granted Jan 3, 2017·1 cites·12 claims
- 1946US8554760B2System and method for optimizing queriesSUBBIAH SURESH·Filed 2009·Granted Oct 8, 2013·1 cites·18 claims
- 2043US2014330768A1Incrementally updated sample tablesHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Application pending·0 cites
- 2143US2007162425A1System and method for performing advanced cost/benefit analysis of asynchronous operationsIBM·Filed 2006·Application pending·0 cites
- 2241US2016267293A1Validating a Query ExecutionHEWLETT-PACKARD ENTPR DEV LP·Filed 2013·Application pending·0 cites
- 2338US9165032B2Allocation of resources for concurrent query execution via adaptive segmentationWEHRMEISTER ROBERT M·Filed 2007·Granted Oct 20, 2015·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →