Inventor · disambiguated record
Andrew Birrell
Also filed as: BIRRELL ANDREW · BIRRELL ANDREW D · BIRRELL ANDREW DAVID
27 granted patents·4 pending applications·4,058 citations·filing 1989–2016
98Inventor score
Files withMICROSOFT CORP12DIGITAL EQUIPMENT CORP9HEWLETT PACKARD DEVELOPMENT CO2MICROSOFT TECHNOLOGY LICENSING LLC2ALSTOM TECHNOLOGY LTD1
Top patents by PatentIndex Score
31 records- 0199US5235642AAccess control subsystem and method for distributed computer system using locally cached authentication credentialsDIGITAL EQUIPMENT CORP·Filed 1992·Granted Aug 10, 1993·709 cites·9 claims
- 0297US5805803ASecure web tunnelDIGITAL EQUIPMENT CORP·Filed 1997·Granted Sep 8, 1998·531 cites·19 claims
- 0397US5088091AHigh-speed mesh connected local area networkDIGITAL EQUIPMENT CORP·Filed 1989·Granted Feb 11, 1992·262 cites·32 claims
- 0496US6332175B1Low power system and method for playing compressed audio dataCOMPAQ COMPUTER CORP·Filed 1999·Granted Dec 18, 2001·524 cites·11 claims
- 0595US7529834B1Method and system for cooperatively backing up data on computers in a networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted May 5, 2009·116 cites·34 claims
- 0695US6185551B1Web-based electronic mail service apparatus and method using full text and label indexingDIGITAL EQUIPMENT CORP·Filed 1997·Granted Feb 6, 2001·377 cites·12 claims
- 0793US7480761B2System and methods for an overlay disk and cache using portable flash memoryMICROSOFT CORP·Filed 2005·Granted Jan 20, 2009·29 cites·51 claims
- 0893US6029164AMethod and apparatus for organizing and accessing electronic mail messages using labels and full text and label indexingDIGITAL EQUIPMENT CORP·Filed 1997·Granted Feb 22, 2000·252 cites·12 claims
- 0992US8239954B2Access control based on program propertiesWOBBER EDWARD P·Filed 2007·Granted Aug 7, 2012·38 cites·20 claims
- 1092US6009462AReplacing large bit component of electronic mail (e-mail) message with hot-link in distributed computer systemDIGITAL EQUIPMENT CORP·Filed 1997·Granted Dec 28, 1999·306 cites·11 claims
- 1191US5446901AFault tolerant distributed garbage collection system and method for collecting network objectsDIGITAL EQUIPMENT CORP·Filed 1993·Granted Aug 29, 1995·175 cites·9 claims
- 1289US7398349B2System and methods for an overlay disk and cache using portable flash memoryMICROSOFT CORP·Filed 2005·Granted Jul 8, 2008·17 cites·19 claims
- 1388US6189026B1Technique for dynamically generating an address book in a distributed electronic mail systemDIGITAL EQUIPMENT CORP·Filed 1997·Granted Feb 13, 2001·280 cites·5 claims
- 1487US7380051B2System and methods for an overlay disk and cache using portable flash memoryMICROSOFT CORP·Filed 2005·Granted May 27, 2008·14 cites·20 claims
- 1587US6718321B2Web-based electronic mail server apparatus and method using full text and label indexingHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Apr 6, 2004·52 cites·25 claims
- 1684US7716734B2Systems and methods for pattern matching on principal names to control access to computing resourcesMICROSOFT CORP·Filed 2005·Granted May 11, 2010·14 cites·17 claims
- 1779US7908265B2Transactional memory with dynamic separationMICROSOFT CORP·Filed 2008·Granted Mar 15, 2011·11 cites·12 claims
- 1879US6098936APortable ergonomic work stationFiled 1998·Granted Aug 8, 2000·56 cites·6 claims
- 1977US6092101AMethod for filtering mail messages for a plurality of client computers connected to a mail service systemDIGITAL EQUIPMENT CORP·Filed 1997·Granted Jul 18, 2000·254 cites·3 claims
- 2075US8930961B2Automatic mutual exclusionMICROSOFT CORP·Filed 2013·Granted Jan 6, 2015·2 cites·20 claims
- 2172US7987365B2Subscription-based computing implemented in hardware of computing deviceMICROSOFT CORP·Filed 2006·Granted Jul 26, 2011·5 cites·20 claims
- 2269US8201142B2Description language for structured graphsISARD MICHAEL A·Filed 2006·Granted Jun 12, 2012·7 cites·20 claims
- 2369US7273345B2Method for operating a turbo engine and turbo engineALSTOM TECHNOLOGY LTD·Filed 2006·Granted Sep 25, 2007·15 cites·12 claims
- 2465US8458724B2Automatic mutual exclusionBIRRELL ANDREW DAVID·Filed 2007·Granted Jun 4, 2013·3 cites·18 claims
- 2565US7660993B2Cryptographic puzzle cancellation service for deterring bulk electronic mail messagesMICROSOFT CORP·Filed 2004·Granted Feb 9, 2010·9 cites·22 claims
- 2657US9501237B2Automatic mutual exclusionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Nov 22, 2016·0 cites·18 claims
- 2755US9286139B2Automatic mutual exclusionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Mar 15, 2016·0 cites·18 claims
- 2845US2009204969A1Transactional memory with dynamic separationMICROSOFT CORP·Filed 2008·Application pending·0 cites
- 2943US2006265759A1Systems and methods for identifying principals to control access to computing resourcesMICROSOFT CORP·Filed 2005·Application pending·0 cites
- 3043US2008082644A1Distributed parallel computingMICROSOFT CORP·Filed 2006·Application pending·0 cites
- 3143US2007083697A1Flash memory managementMICROSOFT CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →