Inventor · disambiguated record
Yi Cheng
Also filed as: CHENG YI · CHENG YI-MIN
20 granted patents·3 pending applications·639 citations·filing 1999–2015
95Inventor score
Top patents by PatentIndex Score
23 records- 0197US8914902B2Method for user privacy protectionMORITZ SIMON·Filed 2009·Granted Dec 16, 2014·256 cites·28 claims
- 0293US8417952B2Method for Digital Rights Management in a mobile communications networkCHENG YI·Filed 2007·Granted Apr 9, 2013·40 cites·28 claims
- 0389US6370380B1Method for secure handoverERICSSON TELEFON AB L M·Filed 1999·Granted Apr 9, 2002·188 cites·26 claims
- 0488US8806208B2Apparatuses and methods for enabling a user to consume protected contents of a content providerCHENG YI·Filed 2010·Granted Aug 12, 2014·10 cites·24 claims
- 0582US8549615B2Method and apparatuses for end-to-edge media protection in an IMS systemBARRIGA LUIS·Filed 2008·Granted Oct 1, 2013·9 cites·6 claims
- 0680US8560835B2Method and apparatus for machine-to-machine communicationJOHANSSON MATTIAS·Filed 2008·Granted Oct 15, 2013·10 cites·20 claims
- 0780US8078733B2IMS-enabled control channel for IPTVAASTROEM BO·Filed 2006·Granted Dec 13, 2011·11 cites·19 claims
- 0878US9177112B2Method and device for communicating digital contentBJORKENGREN ULF·Filed 2011·Granted Nov 3, 2015·8 cites·20 claims
- 0977US9178696B2Key management for secure communicationBLOM ROLF·Filed 2007·Granted Nov 3, 2015·6 cites·20 claims
- 1076US10931644B2Methods, network nodes, mobile entity, computer programs and computer program products for protecting privacy of a mobile entityERICSSON TELEFON AB L M·Filed 2015·Granted Feb 23, 2021·3 cites·20 claims
- 1172US8645680B2Sending media data via an intermediate nodeBLOM ROLF·Filed 2009·Granted Feb 4, 2014·5 cites·14 claims
- 1272US6418130B1Reuse of security associations for improving hand-over performanceERICSSON TELEFON AB L M·Filed 1999·Granted Jul 9, 2002·86 cites·35 claims
- 1365US9628271B2Key management for secure communicationERICSSON TELEFON AB L M·Filed 2015·Granted Apr 18, 2017·1 cites·28 claims
- 1465US8234497B2Method and apparatus for providing secure linking to a user identity in a digital rights management systemCHENG YI·Filed 2008·Granted Jul 31, 2012·3 cites·20 claims
- 1562US8966105B2Sending secure media streamsBLOM ROLF·Filed 2009·Granted Feb 24, 2015·2 cites·17 claims
- 1657US8539564B2IP multimedia securityNAESLUND MATS·Filed 2009·Granted Sep 17, 2013·1 cites·22 claims
- 1752US8832821B2Method and apparatuses for end-to-edge media protection in an IMS systemBARRIGA LUIS·Filed 2013·Granted Sep 9, 2014·0 cites·10 claims
- 1848US8738910B2Method and arrangement for enabling play-out of mediaSELANDER GÖRAN·Filed 2009·Granted May 27, 2014·0 cites·35 claims
- 1947US2013054965A1Usage Control of Digital Data Exchanged Between Terminals of a Telecommunications NetworkCATREIN DANIEL·Filed 2009·Application pending·0 cites
- 2043US2009013174A1Methods and systems for handling digital rights managementERICSSON TELEFON AB L M·Filed 2007·Application pending·0 cites
- 2142US9077591B2Dias-dynamic IMPU assignment serviceCHENG YI·Filed 2005·Granted Jul 7, 2015·0 cites·28 claims
- 2235US9226041B2Method and device for imposing usage constraints of digital contentBJÖRKENGREN ULF·Filed 2010·Granted Dec 29, 2015·0 cites·13 claims
- 2331US2002113258A1Architecture for mask read-only memoryFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →