Assignee
GEMSTAR DEV CORP
US·55 granted patents·25 pending applications·10,486 citations·filing 1991–2014
Top patents by PatentIndex Score
80 records- 0199US6760537B2Apparatus and method for television program schedulingGEMSTAR DEV CORP·Filed 2001·Granted Jul 6, 2004·285 cites·30 claims
- 0299US6756997B1Systems and methods for displaying and recording control interface with television programs, video, advertising information and program scheduling informationGEMSTAR DEV CORP·Filed 2000·Granted Jun 29, 2004·1.2k cites·38 claims
- 0399US6549719B2Television program record scheduling and satellite receiver control using compressed codesGEMSTAR DEV CORP·Filed 2001·Granted Apr 15, 2003·300 cites·11 claims
- 0499US5970206ATelevision calendar and method for creating sameGEMSTAR DEV CORP·Filed 1997·Granted Oct 19, 1999·206 cites·32 claims
- 0599US5552837ARemote controller for scanning data and controlling a video systemGEMSTAR DEV CORP·Filed 1995·Granted Sep 3, 1996·235 cites·29 claims
- 0699US5335079AApparatus and method using compressed codes for recorder preprogrammingGEMSTAR DEV CORP·Filed 1991·Granted Aug 2, 1994·326 cites·50 claims
- 0799US5307173AApparatus and method using compressed codes for television program record schedulingGEMSTAR DEV CORP·Filed 1992·Granted Apr 26, 1994·613 cites·118 claims
- 0898US6477705B1Method and apparatus for transmitting, storing, and processing electronic program guide data for on-screen displayGEMSTAR DEV CORP·Filed 1996·Granted Nov 5, 2002·331 cites·65 claims
- 0998US6052145ASystem and method for controlling the broadcast and recording of television programs and for distributing information to be displayed on a television screenGEMSTAR DEV CORP·Filed 1997·Granted Apr 18, 2000·569 cites·18 claims
- 1098US5988078AMethod and apparatus for receiving customized television programming information by transmitting geographic location to a service provider through a wide-area networkGEMSTAR DEV CORP·Filed 1997·Granted Nov 23, 1999·401 cites·10 claims
- 1198US5974222AApparatus and method using compressed codes for scheduling broadcast information recordingGEMSTAR DEV CORP·Filed 1997·Granted Oct 26, 1999·345 cites·35 claims
- 1298US5701383AVideo time-shifting apparatusGEMSTAR DEV CORP·Filed 1995·Granted Dec 23, 1997·632 cites·19 claims
- 1398US5559550AApparatus and methods for synchronizing a clock to a network clockGEMSTAR DEV CORP·Filed 1995·Granted Sep 24, 1996·518 cites·35 claims
- 1498US5515173ASystem and method for automatically recording television programs in television systems with tuners external to video recordersGEMSTAR DEV CORP·Filed 1993·Granted May 7, 1996·457 cites·20 claims
- 1597US6668133B2Apparatus and method using compressed codes for scheduling broadcast information recordingGEMSTAR DEV CORP·Filed 2002·Granted Dec 23, 2003·86 cites·43 claims
- 1696US6859799B1Search engine for video and graphicsGEMSTAR DEV CORP·Filed 1999·Granted Feb 22, 2005·146 cites·81 claims
- 1796US6466734B2Apparatus and method using compressed codes for scheduling broadcast information recordingGEMSTAR DEV CORP·Filed 1999·Granted Oct 15, 2002·88 cites·6 claims
- 1896US6321381B1Apparatus and method for improved parental control of television useGEMSTAR DEV CORP·Filed 2000·Granted Nov 20, 2001·53 cites·17 claims
- 1995US7996864B2Method and apparatus for displaying television programs and related textGEMSTAR DEV CORP·Filed 2003·Granted Aug 9, 2011·49 cites·20 claims
- 2095US6072520ASystem for improved parental control of television useGEMSTAR DEV CORP·Filed 1999·Granted Jun 6, 2000·77 cites·11 claims
- 2195US5987213ASystem and method for automatically recording television programs in television systems with tuners external to video recordersGEMSTAR DEV CORP·Filed 1996·Granted Nov 16, 1999·204 cites·4 claims
- 2295US5915026ASystem and method for programming electronic devices from a remote siteGEMSTAR DEV CORP·Filed 1994·Granted Jun 22, 1999·239 cites·46 claims
- 2395US5886746AMethod for channel scanningGEMSTAR DEV CORP·Filed 1997·Granted Mar 23, 1999·224 cites·9 claims
- 2495US5532732AApparatus and methods for using compressed codes for monitoring television program viewingGEMSTAR DEV CORP·Filed 1993·Granted Jul 2, 1996·404 cites·20 claims
- 2594US6233734B1System and method for controlling the broadcast and recording of television programs and for distributing information to be displayed on a television screenGEMSTAR DEV CORP·Filed 1999·Granted May 15, 2001·185 cites·13 claims
- 2694US6137950ABar code matrix television calendarGEMSTAR DEV CORP·Filed 1994·Granted Oct 24, 2000·148 cites·2 claims
- 2794US5870150ATelevision guide reader and programmerGEMSTAR DEV CORP·Filed 1996·Granted Feb 9, 1999·199 cites·22 claims
- 2894US5539391ARemote controller for controlling turning appliances on and offGEMSTAR DEV CORP·Filed 1994·Granted Jul 23, 1996·148 cites·30 claims
- 2993US9191722B2System and method for modifying advertisement responsive to EPG informationGEMSTAR DEV CORP·Filed 2013·Granted Nov 17, 2015·16 cites·20 claims
- 3092US6204885B1Method and apparatus for displaying textual or graphic data on the screen of television receiversGEMSTAR DEV CORP·Filed 1996·Granted Mar 20, 2001·121 cites·15 claims
- 3192US6091882AApparatus and method using compressed codes for recorder preprogrammingGEMSTAR DEV CORP·Filed 1994·Granted Jul 18, 2000·97 cites·70 claims
- 3292US5673089AApparatus and method for channel scanning by themeGEMSTAR DEV CORP·Filed 1996·Granted Sep 30, 1997·166 cites·47 claims
- 3392US5475382ARemote control mounting standGEMSTAR DEV CORP·Filed 1994·Granted Dec 12, 1995·81 cites·12 claims
- 3491US6538701B1Simulated pip window in EPGGEMSTAR DEV CORP·Filed 1999·Granted Mar 25, 2003·111 cites·18 claims
- 3591US6456331B2Method and apparatus for displaying textual or graphic data on the screen of television receiversGEMSTAR DEV CORP·Filed 2000·Granted Sep 24, 2002·36 cites·20 claims
- 3691US5553123AMethod for downloading setup data via telephone to an appliance controllerGEMSTAR DEV CORP·Filed 1994·Granted Sep 3, 1996·268 cites·18 claims
- 3790US6463206B1Television and video cassette recorder system with an electronic program guideGEMSTAR DEV CORP·Filed 2000·Granted Oct 8, 2002·35 cites·9 claims
- 3890US5619383AMethod and apparatus for reading and writing audio and digital data on a magnetic tapeGEMSTAR DEV CORP·Filed 1995·Granted Apr 8, 1997·107 cites·14 claims
- 3985US6049652AApparatus and method using compressed codes for recorder preprogrammingGEMSTAR DEV CORP·Filed 1995·Granted Apr 11, 2000·89 cites·44 claims
- 4085US5949471AApparatus and method for improved parental control of television useGEMSTAR DEV CORP·Filed 1996·Granted Sep 7, 1999·71 cites·47 claims
- 4185US5852478AVps compatible apparatus and method for selection of correct IR code setsGEMSTAR DEV CORP·Filed 1997·Granted Dec 22, 1998·92 cites·8 claims
- 4284US7769775B2Search engine for video and graphics with access authorizationGEMSTAR DEV CORP·Filed 2007·Granted Aug 3, 2010·12 cites·18 claims
- 4384US6430359B1Apparatus and method using compressed codes for television program record schedulingGEMSTAR DEV CORP·Filed 1995·Granted Aug 6, 2002·107 cites·61 claims
- 4481US7987174B2Search engine for video and graphicsGEMSTAR DEV CORP·Filed 2010·Granted Jul 26, 2011·6 cites·14 claims
- 4581US7822760B2Search engine for video and graphicsGEMSTAR DEV CORP·Filed 2007·Granted Oct 26, 2010·10 cites·12 claims
- 4681US6513117B2Certificate handling for digital rights management systemGEMSTAR DEV CORP·Filed 1998·Granted Jan 28, 2003·126 cites·5 claims
- 4781US6204796B1Apparatus and methods for generating codes for controlling appliances from a remote controllerGEMSTAR DEV CORP·Filed 1998·Granted Mar 20, 2001·83 cites·15 claims
- 4878US9015749B2System and method for modifying advertisement responsive to EPG informationGEMSTAR DEV CORP·Filed 2014·Granted Apr 21, 2015·2 cites·30 claims
- 4978US8918807B2System and method for modifying advertisement responsive to EPG informationGEMSTAR DEV CORP·Filed 2014·Granted Dec 23, 2014·2 cites·17 claims
- 5074US6430358B1Universal remote including apparatus using compressed codes for video recorder controlGEMSTAR DEV CORP·Filed 1995·Granted Aug 6, 2002·140 cites·9 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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