Assignee
REALNETWORKS INC
US138 patents
Top patents by PatentIndex Score
US6985932B1Jan 10, 2006
Multimedia communications system and method for providing audio on demand to subscribers
REALNETWORKS INC172 citations98
US6973081B1Dec 6, 2005
System and method for seamlessly joining multicast session
REALNETWORKS INC103 citations98
US6731600B1May 4, 2004
System and method for determining network conditions
REALNETWORKS INC146 citations98
US6633918B2Oct 14, 2003
System and method for providing random access to a multimedia object over a network
REALNETWORKS INC86 citations98
US6487663B1Nov 26, 2002
System and method for regulating the transmission of media data
REALNETWORKS INC497 citations98
US6480541B1Nov 12, 2002
Method and apparatus for providing scalable pre-compressed digital video with reduced quantization based artifacts
REALNETWORKS INC257 citations98
US6314466B1Nov 6, 2001
System and method for providing random access to a multimedia object over a network
REALNETWORKS INC131 citations98
US6151634ANov 21, 2000
Audio-on-demand communication system
REALNETWORKS INC467 citations98
US5793980AAug 11, 1998
Audio-on-demand communication system
REALNETWORKS INC756 citations98
US7882034B2Feb 1, 2011
Digital rights management for content rendering on playback devices
REALNETWORKS INC74 citations97
US7349976B1Mar 25, 2008
Audio-on-demand communication system
REALNETWORKS INC146 citations97
US6765964B1Jul 20, 2004
System and method for intracoding video data
REALNETWORKS INC294 citations97
US6760721B1Jul 6, 2004
System and method of managing metadata data
REALNETWORKS INC1,020 citations97
US7681035B1Mar 16, 2010
Digital rights management handler and related methods
REALNETWORKS INC59 citations96
US7237061B1Jun 26, 2007
Systems and methods for the efficient reading of data in a server system
REALNETWORKS INC125 citations96
US6731818B1May 4, 2004
System and method for generating video frames
REALNETWORKS INC110 citations96
US6671807B1Dec 30, 2003
System and method for regulating the transmission of media data
REALNETWORKS INC93 citations96
US7953882B2May 31, 2011
Adaptive variable fidelity media distribution system and method
REALNETWORKS INC44 citations95
US7284065B2Oct 16, 2007
System and method for providing random access to a multimedia object over a network
REALNETWORKS INC34 citations95
US7075986B2Jul 11, 2006
Method and apparatus for providing scalable pre-compressed digital video with reduced quantization based artifacts
REALNETWORKS INC77 citations95
US6934837B1Aug 23, 2005
System and method for regulating the transmission of media data
REALNETWORKS INC51 citations95
US7840581B2Nov 23, 2010
Method and system for improving the quality of deep metadata associated with media content
REALNETWORKS INC279 citations94
US7237198B1Jun 26, 2007
System and method of providing for the control of a music player to a device driver
REALNETWORKS INC219 citations94
US7062765B1Jun 13, 2006
System and method for updating information via a network
REALNETWORKS INC175 citations94
US7050988B2May 23, 2006
Method and apparatus for recommending selections based on preferences in a multi-user system
REALNETWORKS INC66 citations94
US6996627B1Feb 7, 2006
System and method for providing update information
REALNETWORKS INC159 citations94
US6760378B1Jul 6, 2004
System and method for generating video frames and correcting motion
REALNETWORKS INC43 citations94
US7123656B1Oct 17, 2006
Systems and methods for video compression
REALNETWORKS INC19 citations93
US7948906B1May 24, 2011
System and method for determining network conditions
REALNETWORKS INC23 citations92
US7920629B2Apr 5, 2011
Context-adaptive VLC video transform coefficients encoding/decoding methods and apparatuses
REALNETWORKS INC37 citations92
US7721111B2May 18, 2010
Auto-negotiation of content output formats using a secure component model
REALNETWORKS INC18 citations92
US7668752B2Feb 23, 2010
System and method for the distribution of software products
REALNETWORKS INC10 citations92
US7605866B2Oct 20, 2009
Automatic deinterlacing and inverse telecine
REALNETWORKS INC30 citations92
US7606312B2Oct 20, 2009
Intra coding video data methods and apparatuses
REALNETWORKS INC46 citations92
US7535903B1May 19, 2009
System and method for seamlessly joining multicast session
REALNETWORKS INC24 citations92
US7500011B2Mar 3, 2009
Audio-on-demand communication system
REALNETWORKS INC12 citations92
US7302396B1Nov 27, 2007
System and method for cross-fading between audio streams
REALNETWORKS INC67 citations92
US7185195B2Feb 27, 2007
Certificate based digital rights management
REALNETWORKS INC34 citations92
US7154555B2Dec 26, 2006
Automatic deinterlacing and inverse telecine
REALNETWORKS INC42 citations92
US6937814B1Aug 30, 2005
System and method for play while recording processing
REALNETWORKS INC26 citations92
US6597961B1Jul 22, 2003
System and method for concealing errors in an audio transmission
REALNETWORKS INC127 citations92
US6112219AAug 29, 2000
Method and apparatus for performing fast discrete cosine transforms and fast inverse discrete cosine transforms using look-up tables
REALNETWORKS INC32 citations92
US5818972AOct 6, 1998
Method and apparatus for enhancing images using helper signals
REALNETWORKS INC26 citations92
US7706444B1Apr 27, 2010
System and method for intracoding video data
REALNETWORKS INC11 citations91
US7689705B1Mar 30, 2010
Interactive delivery of media using dynamic playlist generation subject to restrictive criteria
REALNETWORKS INC71 citations91
US7000119B1Feb 14, 2006
Instruction/data protection employing derived obscuring instruction/data
REALNETWORKS INC23 citations91
US6753865B1Jun 22, 2004
System and method for generating video frames and post filtering
REALNETWORKS INC30 citations91
US6724433B1Apr 20, 2004
Automated inverse telecine conversion
REALNETWORKS INC50 citations91
US6522268B2Feb 18, 2003
Systems and methods for multiple-file data compression
REALNETWORKS INC81 citations91
US9031953B2May 12, 2015
Method and system to curate media collections
REALNETWORKS INC20 citations90
Showing the top 50 of 138 patents by PatentIndex Score.