Inventor · disambiguated record
Wolfgang Stephan
Also filed as: KOTITSCHKE RONALD · STEPHAN WOLFGANG · STEPHEN WOLFGANG
60 granted patents·7 pending applications·1,378 citations·filing 1975–2025
99Inventor score
Top patents by PatentIndex Score
67 records- 0196US7149748B1Expanded inverted indexSAP AG·Filed 2003·Granted Dec 12, 2006·103 cites·28 claims
- 0295US7634468B2Expanded inverted indexSAP AG·Filed 2006·Granted Dec 15, 2009·55 cites·10 claims
- 0393US8161024B2Selection of rows and values from indexes with updatesRENKES FRANK·Filed 2010·Granted Apr 17, 2012·23 cites·16 claims
- 0493US4644056AMethod of preparing a solution of lactic or colostric immunoglobulins or both and use thereofBIOTEST PHARMA GMBH·Filed 1985·Granted Feb 17, 1987·113 cites·12 claims
- 0590US4318902AConcentrated immunoglobulin solution suited for intravenous administrationBIOTEST SERUM INSTITUT GMBH·Filed 1980·Granted Mar 9, 1982·60 cites·10 claims
- 0689US7836037B2Selection of rows and values from indexes with updatesSAP AG·Filed 2007·Granted Nov 16, 2010·16 cites·20 claims
- 0788US8812564B2Parallel uniqueness checks for partitioned tablesPEH THOMAS·Filed 2011·Granted Aug 19, 2014·16 cites·13 claims
- 0888US8793287B2Equi-joins between split tablesPEH THOMAS·Filed 2011·Granted Jul 29, 2014·11 cites·18 claims
- 0988US5606941AVariable timing camshaft drive systemPORSCHE AG·Filed 1995·Granted Mar 4, 1997·54 cites·16 claims
- 1086US10042910B2Database table re-partitioning using two active partition specificationsBENSBERG CHRISTIAN·Filed 2014·Granted Aug 7, 2018·11 cites·11 claims
- 1185US4564906ADevice for altering gear-shifting sequence in relation to vehicle loadDAIMLER BENZ AG·Filed 1982·Granted Jan 14, 1986·49 cites·2 claims
- 1285US4272523AFractionating citrate-stabilized plasmaBIOTEST SERUM INSTITUT GMBH·Filed 1979·Granted Jun 9, 1981·47 cites·16 claims
- 1381US4081431ABlood fractionationBIOTEST SERUM INSTITUT GMBH·Filed 1975·Granted Mar 28, 1978·21 cites·10 claims
- 1480US5597367AApparatus for tensioning of a cam shaft driveHYDRAULIK RING GMBH·Filed 1994·Granted Jan 28, 1997·33 cites·15 claims
- 1580US4946648AMethod of sterilizing plasma or plasma fractionsBIOTEST PHARMA GMBH·Filed 1988·Granted Aug 7, 1990·61 cites·13 claims
- 1680US4170590AIon exchanger treatment of citrate-stabilized plasmaBIOTEST SERUM INSTITUT GMBH·Filed 1978·Granted Oct 9, 1979·26 cites·7 claims
- 1779US10423619B2Query plan generation for precompiled and code generating query operationsSAP SE·Filed 2016·Granted Sep 24, 2019·4 cites·14 claims
- 1879US8423528B2Selection of rows and values from indexes with updatesRENKES FRANK·Filed 2012·Granted Apr 16, 2013·4 cites·20 claims
- 1979US5075425AProcess for the preparation of a pharmaceutical which contains igg, iga and igm and can be administered intravenouslyBIOTEST PHARMA GMBH·Filed 1990·Granted Dec 24, 1991·47 cites·7 claims
- 2079US4734279ACombination of immunoglobulins with therapeutic agentsBIOTEST PHARMA GMBH·Filed 1985·Granted Mar 29, 1988·30 cites·20 claims
- 2178US10346298B2Interval garbage collection for multi-version concurrency control in database systemsSAP SE·Filed 2016·Granted Jul 9, 2019·2 cites·20 claims
- 2277US9135282B2Equi-joins between split tablesSAP SE·Filed 2014·Granted Sep 15, 2015·3 cites·18 claims
- 2377US6053138ADevice for hydraulic rotational angle adjustment of a shaft relative to a drive wheelHYDRAULIK RING GMBH·Filed 1998·Granted Apr 25, 2000·30 cites·20 claims
- 2476US4082734AProduction of intravenously applicable native human immune globulin having a normal half-lifeBIOTEST SERUM INSTITUT GMBH·Filed 1976·Granted Apr 4, 1978·17 cites·5 claims
- 2575US6205965B1Device for adjusting the relative rotational background of camshaftsPORSCHE AG·Filed 1999·Granted Mar 27, 2001·27 cites·17 claims
- 2675US5576040AProcess for the sterile filtration of milkBIOTEST PHARMA GMBH·Filed 1994·Granted Nov 19, 1996·59 cites·18 claims
- 2773US11556532B2Hash trie based optimization of database operationsSAP SE·Filed 2019·Granted Jan 17, 2023·2 cites·16 claims
- 2873US7487141B1Skipping pattern for an inverted indexSAP AG·Filed 2003·Granted Feb 3, 2009·29 cites·46 claims
- 2973US2024419650A1Table scan predicate with integrated semi-join filterSAP SE·Filed 2024·Application pending·0 cites
- 3072US7484486B2Drive for valve operating control systems in motor vehicles, preferably camshaft adjustersPORSCHE AG·Filed 2003·Granted Feb 3, 2009·12 cites·21 claims
- 3170US12271380B2Index join query optimizationSAP SE·Filed 2023·Granted Apr 8, 2025·0 cites·20 claims
- 3270US7546306B2Object metamodel comprising views on a join graphSAP AG·Filed 2006·Granted Jun 9, 2009·11 cites·20 claims
- 3370US4154819APreparation of a gamma-globulin solution suitable for intravenous administration using diketeneBIOTEST SERUM INSTITUT GMBH·Filed 1976·Granted May 15, 1979·12 cites·2 claims
- 3470US2025200043A1Index join query optimizationSAP SE·Filed 2025·Application pending·0 cites
- 3569US4503039ACoagulant plasma-protein solutionBIOTEST SERUM INSTITUT GMBH·Filed 1983·Granted Mar 5, 1985·21 cites·11 claims
- 3669US4370264AMethod for the cold sterilization of preparations containing blood coagulation factor VIIIBIOTEST SERUM INSTITUT GMBH·Filed 1981·Granted Jan 25, 1983·62 cites·6 claims
- 3767US10521426B2Query plan generation for split table query operationsSAP SE·Filed 2016·Granted Dec 31, 2019·1 cites·16 claims
- 3865US12099490B2Table scan predicate with integrated semi-join filterSAP SE·Filed 2022·Granted Sep 24, 2024·0 cites·20 claims
- 3964US4877866AMethod of producing a virus safe, storage-stable, and intravenously tolerable immunoglobulin-G preparationBIOTEST PHARMA GMBH·Filed 1987·Granted Oct 31, 1989·61 cites·13 claims
- 4064US4147765APreparation of antiserum for quantitative determination of X and Y degradation products of fibrin and fibrinogenBIOTEST SERUM INSTITUT GMBH·Filed 1976·Granted Apr 3, 1979·18 cites·9 claims
- 4163US10565200B2Conversion of model views into relational modelsSAP SE·Filed 2015·Granted Feb 18, 2020·1 cites·18 claims
- 4263US5099003AMethod of preparing a sterile plasma-protein solution containing fibrinogen and factor xiiiBIOTEST PHARMA GMBH·Filed 1988·Granted Mar 24, 1992·56 cites·5 claims
- 4362US6053137ADevice for supplying pressure medium and/or lubricant to a hydraulic consumer in an internal combustion engineHYDRAULIK RING GMBH·Filed 1998·Granted Apr 25, 2000·19 cites·20 claims
- 4461US12242476B2Text searching using partial score expressionsSAP SE·Filed 2023·Granted Mar 4, 2025·0 cites·20 claims
- 4561US10810170B2Equi-joins between split tablesSAP SE·Filed 2017·Granted Oct 20, 2020·0 cites·18 claims
- 4661US6742484B2Device for relative rotational angle adjustment of a cam shaft of an internal combustion engine to a drive wheelPORSCHE AG·Filed 2001·Granted Jun 1, 2004·8 cites·20 claims
- 4760US8527518B2Inverted indexes with multiple language supportTRANSIER FREDERIK·Filed 2010·Granted Sep 3, 2013·1 cites·31 claims
- 4860US8027969B2Efficient calculation of sets of distinct results in an information retrieval serviceSAP AG·Filed 2006·Granted Sep 27, 2011·2 cites·11 claims
- 4959US5011695ASterilization of blood and its derivatives with vitaminsBIOTEST PHARMA GMBH·Filed 1989·Granted Apr 30, 1991·43 cites·21 claims
- 5057US6474749B2Hydraulic system for actuating at least two operating systems of a motor vehicleHYDRAULIK RING GMBH·Filed 2001·Granted Nov 5, 2002·5 cites·12 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →