Assignee
SONY ELECTRONICS INC
JP496 patents
Top patents by PatentIndex Score
US7233669B2Jun 19, 2007
Selective encryption to enable multiple decryption keys
SONY ELECTRONICS INC192 citations99
US7151831B2Dec 19, 2006
Partial encryption and PID mapping
SONY ELECTRONICS INC88 citations99
US7139398B2Nov 21, 2006
Time division partial encryption
SONY ELECTRONICS INC136 citations99
US7127619B2Oct 24, 2006
Decoding and decryption of partially encrypted information
SONY ELECTRONICS INC185 citations99
US7124303B2Oct 17, 2006
Elementary stream partial encryption
SONY ELECTRONICS INC225 citations99
US7120168B2Oct 10, 2006
System and method for effectively performing an audio/video synchronization procedure
SONY ELECTRONICS INC151 citations99
US7120250B2Oct 10, 2006
Content distribution for multiple digital rights management
SONY ELECTRONICS INC223 citations99
US7039938B2May 2, 2006
Selective encryption for video on demand
SONY ELECTRONICS INC168 citations99
US6978023B2Dec 20, 2005
Apparatus and method for location based wireless client authentication
SONY ELECTRONICS INC212 citations99
US6912513B1Jun 28, 2005
Copy-protecting management using a user scrambling key
SONY ELECTRONICS INC155 citations99
US6463445B1Oct 8, 2002
Multimedia information retrieval system and method including format conversion system and method
SONY ELECTRONICS INC256 citations99
US5796875AAug 18, 1998
Selective de-blocking filter for DCT compressed images
SONY ELECTRONICS INC230 citations99
USD365102SDec 12, 1995
Universal remote control unit
SONY ELECTRONICS INC194 citations99
US5457448AOct 10, 1995
Self-standing mini remote commander
SONY ELECTRONICS INC203 citations99
US7225164B1May 29, 2007
Method and apparatus for implementing revocation in broadcast networks
SONY ELECTRONICS INC62 citations98
US7199706B2Apr 3, 2007
PLC intercom/monitor
SONY ELECTRONICS INC66 citations98
US7188110B1Mar 6, 2007
Secure and convenient method and apparatus for storing and transmitting telephony-based data
SONY ELECTRONICS INC77 citations98
US7171506B2Jan 30, 2007
Plural interfaces in home network with first component having a first host bus width and second component having second bus width
SONY ELECTRONICS INC59 citations98
US7155012B2Dec 26, 2006
Slice mask and moat pattern partial encryption
SONY ELECTRONICS INC74 citations98
US7072950B2Jul 4, 2006
Method and apparatus for operating system and application selection
SONY ELECTRONICS INC94 citations98
US7039614B1May 2, 2006
Method for simulcrypting scrambled data to a plurality of conditional access devices
SONY ELECTRONICS INC102 citations98
US7030856B2Apr 18, 2006
Method and system for controlling a display device
SONY ELECTRONICS INC95 citations98
US7020287B2Mar 28, 2006
Method and system for key insertion for stored encrypted content
SONY ELECTRONICS INC80 citations98
US7016409B2Mar 21, 2006
Apparatus and method for use in providing dynamic bit rate encoding
SONY ELECTRONICS INC74 citations98
US6993200B2Jan 31, 2006
System and method for effectively rendering high dynamic range images
SONY ELECTRONICS INC1,042 citations98
US6963784B1Nov 8, 2005
Virtual device control modules and function control modules implemented in a home audio/video network
SONY ELECTRONICS INC77 citations98
US6954897B1Oct 11, 2005
Method and apparatus for adjusting font size in an electronic program guide display
SONY ELECTRONICS INC68 citations98
US6947409B2Sep 20, 2005
Bandwidth management of virtual networks on a shared network
SONY ELECTRONICS INC73 citations98
US6915525B2Jul 5, 2005
Method and apparatus for controlling set-top box hardware and software functions
SONY ELECTRONICS INC77 citations98
US6897880B2May 24, 2005
User interface for generating parameter values in media presentations based on selected presentation instances
SONY ELECTRONICS INC144 citations98
US6898583B1May 24, 2005
Method and apparatus of creating application-specific, non-uniform wavelet transforms
SONY ELECTRONICS INC92 citations98
US6889085B2May 3, 2005
Method and system for forming an acoustic signal from neural timing difference data
SONY ELECTRONICS INC119 citations98
US6687497B1Feb 3, 2004
Method, system, and structure for disabling a communication device during the occurrence of one or more predetermined conditions
SONY ELECTRONICS INC267 citations98
US6130912AOct 10, 2000
Hierarchical motion estimation process and system using block-matching and integral projection
SONY ELECTRONICS INC105 citations98
US5457407AOct 10, 1995
Binary weighted reference circuit for a variable impedance output buffer
SONY ELECTRONICS INC204 citations98
US5307456AApr 26, 1994
Integrated multi-media production and authoring system
SONY ELECTRONICS INC772 citations98
US5299266AMar 29, 1994
Multi machine monitor for TV post production
SONY ELECTRONICS INC265 citations98
US7278165B2Oct 2, 2007
Method and system for implementing digital rights management
SONY ELECTRONICS INC75 citations97
US7225456B2May 29, 2007
Gateway screen for interactive television
SONY ELECTRONICS INC67 citations97
US7136945B2Nov 14, 2006
Method and apparatus for extending protected content access with peer to peer applications
SONY ELECTRONICS INC127 citations97
US7127454B2Oct 24, 2006
E-marker find music
SONY ELECTRONICS INC76 citations97
US7071629B2Jul 4, 2006
Image display device incorporating driver circuits on active substrate and other methods to reduce interconnects
SONY ELECTRONICS INC68 citations97
US7062528B2Jun 13, 2006
Method and system for identifying a time specific event
SONY ELECTRONICS INC63 citations97
US6993721B2Jan 31, 2006
Web channel guide graphical interface system and method
SONY ELECTRONICS INC104 citations97
US6990312B1Jan 24, 2006
Method and system for interactive digital radio broadcasting and music distribution
SONY ELECTRONICS INC182 citations97
US6972698B2Dec 6, 2005
GPS e-marker
SONY ELECTRONICS INC103 citations97
US6961099B2Nov 1, 2005
Method and apparatus for automatically switching between analog and digital input signals
SONY ELECTRONICS INC112 citations97
US6952558B2Oct 4, 2005
Wireless sports view display and business method of use
SONY ELECTRONICS INC70 citations97
US6907301B2Jun 14, 2005
Method and system for selecting and controlling devices in a home network
SONY ELECTRONICS INC91 citations97
US6892354B1May 10, 2005
Method of advertising on line during a communication link idle time
SONY ELECTRONICS INC164 citations97
Showing the top 50 of 496 patents by PatentIndex Score.