Inventor · disambiguated record
Radia J. Perlman
Also filed as: PERLMAN RADIA · PERLMAN RADIA J · PERLMAN RADIA JOY
157 granted patents·18 pending applications·10,379 citations·filing 1988–2024
99Inventor score
Files withSUN MICROSYSTEMS INC59DIGITAL EQUIPMENT CORP28EMC IP HOLDING CO LLC22INTEL CORP13NOVELL INC10
Top patents by PatentIndex Score
175 records- 0198US9779269B1Storage system comprising per-tenant encryption keys supporting deduplication across multiple tenantsEMC CORP·Filed 2015·Granted Oct 3, 2017·46 cites·20 claims
- 0298US7178021B1Method and apparatus for using non-secure file servers for secure information storageSUN MICROSYSTEMS INC·Filed 2000·Granted Feb 13, 2007·210 cites·33 claims
- 0398US5251205AMultiple protocol routingDIGITAL EQUIPMENT CORP·Filed 1990·Granted Oct 5, 1993·507 cites·24 claims
- 0497US7054905B1Replacing an email attachment with an address specifying where the attachment is storedSUN MICROSYSTEMS INC·Filed 2000·Granted May 30, 2006·244 cites·27 claims
- 0597US5309437ABridge-like internet protocol routerDIGITAL EQUIPMENT CORP·Filed 1990·Granted May 3, 1994·432 cites·26 claims
- 0697US4864559AMethod of multicast message distributionDIGITAL EQUIPMENT CORP·Filed 1988·Granted Sep 5, 1989·265 cites·11 claims
- 0796US10756904B1Efficient and secure distributed ledger maintenanceEMC IP HOLDING CO LLC·Filed 2018·Granted Aug 25, 2020·24 cites·20 claims
- 0896US10007809B1Fine-grained self-shredding data in a secure communication ecosystemEMC CORP·Filed 2015·Granted Jun 26, 2018·25 cites·24 claims
- 0996US6173400B1Methods and systems for establishing a shared secret using an authentication tokenSUN MICROSYSTEMS INC·Filed 1998·Granted Jan 9, 2001·272 cites·73 claims
- 1095US10063372B1Generating pre-encrypted keysEMC CORP·Filed 2016·Granted Aug 28, 2018·31 cites·18 claims
- 1195US9189642B2Safe processing of on-demand delete requestsPERLMAN RADIA JOY·Filed 2007·Granted Nov 17, 2015·265 cites·14 claims
- 1294US10298551B1Privacy-preserving policy enforcement for messagingEMC IP HOLDING CO LLC·Filed 2016·Granted May 21, 2019·14 cites·20 claims
- 1394US5455865ARobust packet routing over a distributed network containing malicious failuresDIGITAL EQUIPMENT CORP·Filed 1993·Granted Oct 3, 1995·262 cites·29 claims
- 1494US5079767AMethod of multicast message distributionDIGITAL EQUIPMENT CORP·Filed 1989·Granted Jan 7, 1992·156 cites·6 claims
- 1593US8989017B2Network congestion management by packet circulationINTEL CORP·Filed 2012·Granted Mar 24, 2015·26 cites·30 claims
- 1693US7596696B1Efficiently managing keys to make data permanently unreadableSUN MICROSYSTEMS INC·Filed 2005·Granted Sep 29, 2009·30 cites·19 claims
- 1793US6505253B1Multiple ACK windows providing congestion control in reliable multicast protocolSUN MICROSYSTEMS INC·Filed 1999·Granted Jan 7, 2003·288 cites·11 claims
- 1893US6389532B1Method and apparatus for using digital signatures to filter packets in a networkSUN MICROSYSTEMS INC·Filed 1998·Granted May 14, 2002·280 cites·41 claims
- 1993US5856974AInternetwork address mapping gatewayNOVELL INC·Filed 1996·Granted Jan 5, 1999·424 cites·14 claims
- 2093US5781534AMethod and apparatus for determining characteristics of a pathNOVELL INC·Filed 1995·Granted Jul 14, 1998·302 cites·12 claims
- 2193US5261002AMethod of issuance and revocation of certificates of authenticity used in public key networks and other systemsDIGITAL EQUIPMENT CORP·Filed 1992·Granted Nov 9, 1993·242 cites·18 claims
- 2292US8006285B1Dynamic defense of network attacksORACLE AMERICA INC·Filed 2005·Granted Aug 23, 2011·27 cites·10 claims
- 2392US5511168AVirtual circuit manager for multicast messagingDIGITAL EQUIPMENT CORP·Filed 1993·Granted Apr 23, 1996·195 cites·8 claims
- 2492US5500860ARouter using multiple hop redirect messages to enable bridge like data forwardingDIGITAL EQUIPMENT CORP·Filed 1991·Granted Mar 19, 1996·184 cites·6 claims
- 2591US11019033B1Trust domain secure enclaves in cloud infrastructureEMC IP HOLDING CO LLC·Filed 2019·Granted May 25, 2021·9 cites·20 claims
- 2691US6804779B1Hierarchical watermarking of content that is distributed via a networkSUN MICROSYSTEMS INC·Filed 2000·Granted Oct 12, 2004·106 cites·35 claims
- 2791US6636838B1Content screening with end-to-end encryptionSUN MICROSYSTEMS INC·Filed 2000·Granted Oct 21, 2003·83 cites·6 claims
- 2890US10394646B1Incremental data validationEMC IP HOLDING CO LLC·Filed 2015·Granted Aug 27, 2019·8 cites·18 claims
- 2990US7395549B1Method and apparatus for providing a key distribution center without storing long-term server secretsSUN MICROSYSTEMS INC·Filed 2000·Granted Jul 1, 2008·69 cites·51 claims
- 3090US6768740B1Coordinating loop-free forwarding table updatesSUN MICROSYSTEMS INC·Filed 2000·Granted Jul 27, 2004·70 cites·27 claims
- 3190US6510523B1Method and system for providing limited access privileges with an untrusted terminalSUN MICROSYSTEMS INC·Filed 1999·Granted Jan 21, 2003·209 cites·24 claims
- 3289US10284534B1Storage system with controller key wrapping of data encryption key in metadata of stored data itemEMC CORP·Filed 2015·Granted May 7, 2019·10 cites·21 claims
- 3389US9906361B1Storage system with master key hierarchy configured for efficient shredding of stored encrypted data itemsEMC CORP·Filed 2015·Granted Feb 27, 2018·10 cites·20 claims
- 3489US9659190B1Storage system configured for encryption of data items using multidimensional keys having corresponding class keysEMC CORP·Filed 2015·Granted May 23, 2017·9 cites·21 claims
- 3589US7085925B2Trust ratings in group credentialsSUN MICROSYSTEMS INC·Filed 2001·Granted Aug 1, 2006·73 cites·13 claims
- 3689US6526022B1Detecting congestion by comparing successive loss of packets in windows to provide congestion control in reliable multicast protocolSUN MICROSYSTEMS INC·Filed 1999·Granted Feb 25, 2003·197 cites·3 claims
- 3788US11128460B2Client-side encryption supporting deduplication across single or multiple tenants in a storage systemEMC IP HOLDING CO LLC·Filed 2018·Granted Sep 21, 2021·6 cites·20 claims
- 3888US10819700B1Client-side user authentication control based on stored history of incorrect passwordsEMC IP HOLDING CO LLC·Filed 2018·Granted Oct 27, 2020·6 cites·20 claims
- 3988US7814318B1Scalable file system configured to make files permanently unreadableORACLE AMERICA INC·Filed 2005·Granted Oct 12, 2010·22 cites·16 claims
- 4088US7760722B1Router based defense against denial of service attacks using dynamic feedback from attacked hostORACLE AMERICA INC·Filed 2005·Granted Jul 20, 2010·18 cites·20 claims
- 4188US6996712B1Data authentication system employing encrypted integrity blocksSUN MICROSYSTEMS INC·Filed 2000·Granted Feb 7, 2006·58 cites·66 claims
- 4287US6507562B1Dynamic optimization for receivers using distance between a repair head and a member station in a repair group for receivers having a closely knit topological arrangement to locate repair heads near the member stations which they serve in tree based repair in reliable multicast protocolSUN MICROSYSTEMS INC·Filed 1999·Granted Jan 14, 2003·164 cites·9 claims
- 4387US5420862ARouter using remote address resolution to enable bridge like data forwardingDIGITAL EQUIPMENT CORP·Filed 1991·Granted May 30, 1995·145 cites·22 claims
- 4487US5175765ARobust data broadcast over a distributed network with malicious failuresDIGITAL EQUIPMENT CORP·Filed 1989·Granted Dec 29, 1992·90 cites·19 claims
- 4586US11063884B2Ethernet enhancementsINTEL CORP·Filed 2019·Granted Jul 13, 2021·4 cites·16 claims
- 4686US7398322B1System using routing bridges to transparently interconnect multiple network links to form a single virtual network linkSUN MICROSYSTEMS INC·Filed 2004·Granted Jul 8, 2008·48 cites·40 claims
- 4786US6363480B1Ephemeral decryptabilitySUN MICROSYSTEMS INC·Filed 1999·Granted Mar 26, 2002·159 cites·66 claims
- 4886US5892828AUser presence verification with single password across applicationsNOVELL INC·Filed 1996·Granted Apr 6, 1999·130 cites·15 claims
- 4985US7058798B1Method ans system for pro-active credential refreshingSUN MICROSYSTEMS INC·Filed 2000·Granted Jun 6, 2006·44 cites·64 claims
- 5085US5150360AUtilization of redundant links in bridged networksDIGITAL EQUIPMENT CORP·Filed 1990·Granted Sep 22, 1992·132 cites·28 claims
Showing the top 50 of 175 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →