Inventor · disambiguated record
Stephen P. Dulac
Also filed as: DULAC STEPHEN P
28 granted patents·2 pending applications·590 citations·filing 2000–2021
97Inventor score
Top patents by PatentIndex Score
30 records- 0198US9967521B2Methods and apparatus to provide content on demand in content broadcast systemsDIRECTV GROUP INC·Filed 2016·Granted May 8, 2018·30 cites·14 claims
- 0297US9485469B2Methods and apparatus to provide content on demand in content broadcast systemsKAHN RAYNOLD M·Filed 2011·Granted Nov 1, 2016·35 cites·24 claims
- 0397US9456247B1Method and system for changing communication parameters of a content delivery system based on feedback from user devicesPONTUAL ROMULO·Filed 2011·Granted Sep 27, 2016·57 cites·26 claims
- 0493US7992175B2Methods and apparatus to provide content on demand in content broadcast systemsDIRECTV GROUP INC·Filed 2006·Granted Aug 2, 2011·18 cites·19 claims
- 0593US7191461B1Method and apparatus for adapting program guides to meet subscriber criteriaDIRECTV GROUP INC·Filed 2000·Granted Mar 13, 2007·67 cites·16 claims
- 0693US6694518B1Method and apparatus for carrying data across high definition analog component video interfacesHUGHES ELECTRONICS CORP·Filed 2000·Granted Feb 17, 2004·67 cites·26 claims
- 0792US8001565B2Methods and apparatus to conditionally authorize content delivery at receivers in pay delivery systemsDIRECTV GROUP INC·Filed 2006·Granted Aug 16, 2011·21 cites·36 claims
- 0891US8095466B2Methods and apparatus to conditionally authorize content delivery at content servers in pay delivery systemsKAHN RAYNOLD M·Filed 2006·Granted Jan 10, 2012·37 cites·30 claims
- 0991US7801303B2Video on demand in a broadcast networkDIRECTV GROUP INC·Filed 2004·Granted Sep 21, 2010·49 cites·28 claims
- 1090US8996421B2Methods and apparatus to conditionally authorize content delivery at broadcast headends in pay delivery systemsKAHN RAYNOLD M·Filed 2006·Granted Mar 31, 2015·15 cites·28 claims
- 1189US7343375B1Collection and correlation over time of private viewing usage dataDIRECTV GROUP INC·Filed 2004·Granted Mar 11, 2008·56 cites·24 claims
- 1288US9819982B2Method and system for changing communication parameters of a content delivery system based on feedback from user devicesDIRECTV GROUP INC·Filed 2016·Granted Nov 14, 2017·5 cites·20 claims
- 1388US8775319B2Secure content transfer systems and methods to operate the sameKAHN RAYNOLD M·Filed 2006·Granted Jul 8, 2014·15 cites·14 claims
- 1486US8849434B1Methods and apparatus to control audio leveling in media presentation devicesPONTUAL ROMULO·Filed 2009·Granted Sep 30, 2014·9 cites·20 claims
- 1585US10977631B2Secure content transfer systems and methods to operate the sameDIRECTV GROUP INC·Filed 2017·Granted Apr 13, 2021·2 cites·7 claims
- 1684US6922844B1Method and apparatus for distinguishing program guides according to originating networkDIRECTV GROUP INC·Filed 2000·Granted Jul 26, 2005·27 cites·18 claims
- 1783US8804035B1Method and system for communicating descriptive data in a television broadcast systemDIRECTV GROUP INC·Filed 2012·Granted Aug 12, 2014·5 cites·16 claims
- 1881US7661119B1Method and apparatus for providing non-resident program guide information to a media subscriberDIRECTV GROUP INC·Filed 2000·Granted Feb 9, 2010·21 cites·42 claims
- 1981US7036137B1Method and apparatus for providing unified program guide information to a media subscriberDIRECTV GROUP INC·Filed 2000·Granted Apr 25, 2006·22 cites·31 claims
- 2070US8079043B2Service activation of set-top box functionality using broadcast conditional access systemKAHN RAYNOLD M·Filed 2009·Granted Dec 13, 2011·2 cites·20 claims
- 2169US2021304167A1Secure content transfer systems and methods to operate the sameDIRECTV GROUP INC·Filed 2021·Application pending·0 cites
- 2268US8769581B2Backwards compatible real-time program guide capacity increaseCHAPMAN LAWRENCE N·Filed 2009·Granted Jul 1, 2014·4 cites·38 claims
- 2366US8561096B1Distributed storage and processing of viewing usage dataDULAC STEPHEN P·Filed 2003·Granted Oct 15, 2013·9 cites·24 claims
- 2466US7543317B2Service activation of set-top box functionality using broadcast conditional access systemDIRECTV GROUP INC·Filed 2004·Granted Jun 2, 2009·6 cites·50 claims
- 2563US9137556B2Method and system of building a wanted list queue for a user in a content distribution systemPONTUAL ROMULO·Filed 2011·Granted Sep 15, 2015·1 cites·35 claims
- 2662US7707609B2System and method for dynamically scheduling quasi on-demand programming in a broadcast television networkDIRECTV GROUP INC·Filed 2004·Granted Apr 27, 2010·5 cites·28 claims
- 2759US9811789B2Secure content transfer systems and methods to operate the sameDIRECTV GROUP INC·Filed 2014·Granted Nov 7, 2017·0 cites·16 claims
- 2858US7684409B2Efficient message delivery in a multi-channel uni-directional communications systemDIRECTV GROUP INC·Filed 2004·Granted Mar 23, 2010·5 cites·50 claims
- 2950US9743121B2Methods and apparatus to conditionally authorize content delivery at broadcast headends in pay delivery systemsDIRECTV GROUP INC·Filed 2015·Granted Aug 22, 2017·0 cites·9 claims
- 3038US2002066102A1Backwards compatible real-time program guide capacity increaseFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →