Inventor · disambiguated record
Alexander Keller
Also filed as: KELLER ALEXANDER
51 granted patents·16 pending applications·1,886 citations·filing 1974–2024
99Inventor score
Top patents by PatentIndex Score
67 records- 0197US7096459B2Methods and apparatus for root cause identification and problem determination in distributed systemsIBM·Filed 2002·Granted Aug 22, 2006·251 cites·35 claims
- 0297US7013461B2Systems and methods for service and role-based software distributionIBM·Filed 2001·Granted Mar 14, 2006·197 cites·20 claims
- 0397US6847970B2Methods and apparatus for managing dependencies in distributed systemsIBM·Filed 2002·Granted Jan 25, 2005·252 cites·41 claims
- 0496US7952583B2Quasi-monte carlo light transport simulation by efficient ray tracingMENTAL IMAGES GMBH·Filed 2008·Granted May 31, 2011·85 cites·13 claims
- 0596US7505872B2Methods and apparatus for impact analysis and problem determinationIBM·Filed 2002·Granted Mar 17, 2009·167 cites·35 claims
- 0695US12050242B1Health assessment of vehicles using unintended emissionsNOKOMIS INC·Filed 2021·Granted Jul 30, 2024·2 cites·23 claims
- 0795US7495664B2Instant ray tracingMENTAL IMAGES GMBH·Filed 2007·Granted Feb 24, 2009·48 cites·20 claims
- 0895US7240325B2Methods and apparatus for topology discovery and representation of distributed applications and servicesIBM·Filed 2002·Granted Jul 3, 2007·129 cites·37 claims
- 0994US7659894B2Terminating spatial partition hierarchies by a priori bounding memoryMENTAL IMAGES GMBH·Filed 2008·Granted Feb 9, 2010·45 cites·50 claims
- 1093US8037471B2Systems and methods for constructing relationship specifications from component interactionsIBM·Filed 2006·Granted Oct 11, 2011·76 cites·35 claims
- 1193US7453461B2Image generation using low-discrepancy sequencesMENTAL IMAGES GMBH·Filed 2007·Granted Nov 18, 2008·15 cites·2 claims
- 1293US7453460B2System and method for generating pixel values for pixels in an image using strictly deterministic methodologies for generating sample pointsMENTAL IMAGES GMBH·Filed 2006·Granted Nov 18, 2008·25 cites·6 claims
- 1393US7334222B2Methods and apparatus for dependency-based impact simulation and vulnerability analysisIBM·Filed 2002·Granted Feb 19, 2008·106 cites·30 claims
- 1492US7499053B2Real-time precision ray tracingMENTAL IMAGES GMBH·Filed 2006·Granted Mar 3, 2009·26 cites·10 claims
- 1589US7496912B2Methods and arrangements for ordering changes in computing systemsIBM·Filed 2004·Granted Feb 24, 2009·71 cites·37 claims
- 1686US8248416B2Efficient ray tracing without acceleration data structureKELLER ALEXANDER·Filed 2009·Granted Aug 21, 2012·17 cites·36 claims
- 1786US8188996B2Shallow bounding volume hierarchies for accelerated ray tracingDAMMERTZ HOLGER·Filed 2008·Granted May 29, 2012·17 cites·29 claims
- 1886US7432935B2Image synthesis methods and systems for generating sample points in a graphics sceneMENTAL IMAGES GMBH·Filed 2006·Granted Oct 7, 2008·15 cites·6 claims
- 1985US7499054B2Generating images using multiple photon mapsMENTAL IMAGES GMBH·Filed 2007·Granted Mar 3, 2009·14 cites·15 claims
- 2085US7062472B2Electronic contracts with primary and sponsored rolesIBM·Filed 2001·Granted Jun 13, 2006·32 cites·31 claims
- 2184US8411088B2Accelerated ray tracingSEVASTIANOV IGOR·Filed 2009·Granted Apr 2, 2013·27 cites·21 claims
- 2283US8188997B2Accelerated ray tracing using shallow bounding volume hierarchiesDAMMERTZ HOLGER·Filed 2009·Granted May 29, 2012·17 cites·27 claims
- 2382US8863137B2Systems and methods for automated provisioning of managed computing resourcesKELLER ALEXANDER·Filed 2005·Granted Oct 14, 2014·22 cites·28 claims
- 2482US8555247B2Systems and methods for expressing temporal relationships spanning lifecycle representationsKELLER ALEXANDER·Filed 2006·Granted Oct 8, 2013·11 cites·17 claims
- 2581US7589729B2Image synthesis by rank-1 latticesMENTAL IMAGES GMBH·Filed 2006·Granted Sep 15, 2009·19 cites·18 claims
- 2681US2024353463A1Health assessment of vehicles using unintended emissionsNOKOMIS INC·Filed 2024·Application pending·0 cites
- 2779US7773088B2Simultaneous simulation of markov chains using quasi-monte carlo techniquesMENTAL IMAGES GMBH·Filed 2007·Granted Aug 10, 2010·10 cites·32 claims
- 2878US7167175B2System and computer-implemented method for evaluating integrals using a quasi-Monte Carlo methodology in which sample points represent dependent samples generated using a low-discrepancy sequenceMENTAL IMAGES GMBH·Filed 2002·Granted Jan 23, 2007·22 cites·14 claims
- 2977US7515151B2Generating images using sub-domain photon mapsMENTAL IMAGES GMBH·Filed 2007·Granted Apr 7, 2009·6 cites·18 claims
- 3076US7484212B2Methods and arrangements for automated change plan construction and impact analysisIBM·Filed 2004·Granted Jan 27, 2009·12 cites·13 claims
- 3176US7358971B2Generating images using ray tracing and ray tree generated using low-discrepancy sequencesMENTAL IMAGES GMBH·Filed 2007·Granted Apr 15, 2008·7 cites·46 claims
- 3274US7425957B2Computer graphics methods and systems using quasi-monte carlo methodologyMENTAL IMAGES GMBH·Filed 2007·Granted Sep 16, 2008·6 cites·6 claims
- 3373US8259106B2Low-dimensional rank-1 lattices in computer image synthesisDAMMERTZ SABRINA·Filed 2009·Granted Sep 4, 2012·12 cites·42 claims
- 3472US8515799B2Constructing change plans from component interactionsKELLER ALEXANDER·Filed 2012·Granted Aug 20, 2013·3 cites·8 claims
- 3572US7187379B2Generating an image using sample points determined on a sub-pixel grid offset using elements of a low-discrepancy sequenceMENTAL IMAGES GMBH·Filed 2002·Granted Mar 6, 2007·15 cites·1 claims
- 3671US7230618B2Generating images using multiple photon mapsMENTAL IMAGES GMBH·Filed 2002·Granted Jun 12, 2007·16 cites·2 claims
- 3770US8001068B2System and method for calibrating and extrapolating management-inherent complexity metrics and human-perceived complexity metrics of information technology managementIBM·Filed 2006·Granted Aug 16, 2011·2 cites·20 claims
- 3870US7848988B2Automated service level management in financial termsIBM·Filed 2007·Granted Dec 7, 2010·1 cites·39 claims
- 3970US3944062AApparatus for sorting and conveying of objectsKELLER ALEXANDER·Filed 1974·Granted Mar 16, 1976·18 cites·14 claims
- 4069US7610228B2Automated service level management in financial termsIBM·Filed 2001·Granted Oct 27, 2009·2 cites·36 claims
- 4169US7516170B2Computer graphics systems and methods using stratification by rank-1 latticesMENTAL IMAGES GMBH·Filed 2007·Granted Apr 7, 2009·4 cites·23 claims
- 4268US7227547B2Method for generating pixel values for pixels in an image using strictly deterministic methodologies for generating sample pointsMENTAL IMAGES GMBH·Filed 2001·Granted Jun 5, 2007·10 cites·5 claims
- 4368US7184042B2Computer graphic system and computer-implemented method for generating images using a ray tracing methodology that makes use of a ray tree generated using low-discrepancy sequences and ray tracer for use therewithMENTAL IMAGES GMBH·Filed 2002·Granted Feb 27, 2007·12 cites·23 claims
- 4466US8558835B2System, method, and computer program product for consistent image synthesisKELLER ALEXANDER·Filed 2009·Granted Oct 15, 2013·5 cites·28 claims
- 4566US7735086B2Methods and arrangements for planning and scheduling change management requests in computing systemsIBM·Filed 2004·Granted Jun 8, 2010·12 cites·23 claims
- 4666US7236171B2Generating images using a sub-domain photon map methodologyMENTAL IMAGES GMBH·Filed 2002·Granted Jun 26, 2007·9 cites·12 claims
- 4766US2025205314A1Cgas super-enzymes for cancer immunotherapyECOLE POLYTECHNIQUE FED LAUSANNE EPFL·Filed 2023·Application pending·0 cites
- 4865US8204719B2Methods and systems for model-based management using abstract modelsDIAO YIXIN·Filed 2003·Granted Jun 19, 2012·13 cites·21 claims
- 4960US2008215404A1Method for Service Offering Comparative IT Management Activity Complexity BenchmarkingIBM·Filed 2008·Application pending·0 cites
- 5057US8229778B2Constructing change plans from component interactionsKELLER ALEXANDER·Filed 2006·Granted Jul 24, 2012·1 cites·27 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Alexander Keller files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →