MACROVISION CORPORATION

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 6694
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 22278
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 15153
 
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 14114
 
 
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION550
 
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 3138
 
 
 
G06Q DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR 284
 
 
 
G07D SORTING, TESTING, CHANGING, DELIVERING, OR OTHERWISE HANDLING COINS; TESTING OR CHANGING PAPER CURRENCY; TESTING SECURITIES, BONDS, OR SIMILAR VALUABLE PAPERS 221
 
 
 
B41K STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES 19
 
 
 
C11B PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES 18

Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
5,574,787 Apparatus and method for comprehensive copy protection for video platforms and unprotected source materialJul 25, 94Nov 12, 96[H04N]221
5,315,448 Copy protection for hybrid digital video tape recording and unprotected source materialMar 18, 93May 24, 94[H04N, H04L, C11B]210
5,513,260 Method and apparatus for copy protection for various recording mediaJun 29, 94Apr 30, 96[H04L, G11B]208
5,659,613 Method and apparatus for copy protection for various recording media using a video finger printJun 07, 95Aug 19, 97[G11B]116
6,374,036 Method and apparatus for copy-once watermark for video recordingOct 01, 98Apr 16, 02[H04N]105
5,754,649 Video media security and tracking systemJun 23, 97May 19, 98[H04K, G11B, H04L, G07D]93
5,739,864 Apparatus for inserting blanked formatted fingerprint data (source ID, time/date) in to a video signalAug 24, 94Apr 14, 98[H04N]79
6,018,374 Method and system for preventing the off screen copying of a video or film presentationJun 25, 97Jan 25, 00[H04N]62
6,202,056 Method for computer network operation providing basis for usage feesApr 03, 98Mar 13, 01[G06F]55
6,553,127 Method and apparatus for selective block processingNov 18, 98Apr 22, 03[G06K]48

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2011/0113,103 PEER TO PEER GATEWAYJan 19, 11May 12, 11[G06F]
2010/0021,133 METHOD FOR COPY PROTECTION FOR VIDEO SIGNAL WITH ADDED PULSESOct 06, 09Jan 28, 10[H04N]
2009/0228,592 TECHNIQUES FOR WATERMARKING AND DISTRIBUTING CONTENTMay 20, 09Sep 10, 09[H04L, G06F]
2009/0217,388 Apparatus for and a method of copy-protecting a content carrying recording mediumFeb 27, 08Aug 27, 09[G06F]
2009/0172,824 Corruption of swarm downloads in a decentralized network employing advanced intelligent corruption handlingDec 28, 07Jul 02, 09[H04L, G06F]
2008/0309,816 TELEVISION CONTENT CONTROL SYSTEM AND METHOD WITH CROSS-PLATFORM CAPABILITYJun 03, 08Dec 18, 08[H04N]
2008/0279,077 Apparatus for and a method of enabling copying a copy-protected recording mediumMay 09, 07Nov 13, 08[G11B]
2008/0178,295 Method for discouraging the distribution of illegal copies of computer programs over file sharing networksJan 10, 07Jul 24, 08[H04N]
2008/0133,928 A COMPUTER-IMPLEMENTED METHOD AND SYSTEM FOR EMBEDDING AND AUTHENTICATING ANCILLARY INFORMATION IN DIGITALLY SIGNED CONTENTFeb 14, 08Jun 05, 08[H04L]
2008/0100,597 Method and apparatus to improve playability in overscan areas of a TV displayOct 25, 06May 01, 08[G09G]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7,721,338 Defeat of the copy protection of optical discsFeb 04, 05May 18, 10[G06F]
7,715,934 Identification of input files using reference files associated with nodes of a sparse binary treeOct 12, 04May 11, 10[G06F]
7,716,138 Method for discouraging the distribution of illegal copies of computer programs over file sharing networksJan 10, 07May 11, 10[G06F]
7,716,744 Apparatus and method for monitoring and controlling access to data on a computer readable mediumAug 09, 06May 11, 10[G06F]
7,706,533 Copy protection for video signal using narrowed horizontal synchronization signalsMay 07, 07Apr 27, 10[H04N]
7,706,661 Copy protection of optical discs using redundant control dataMay 19, 04Apr 27, 10[H04N]
7,701,825 Apparatus for and a method of authenticating recording mediaJun 17, 05Apr 20, 10[G11B]
7,702,591 System and methods providing secure delivery of licenses and contentJan 20, 06Apr 20, 10[G06F]
7,685,641 Copy-protected digital audio compact disc, and method and system for producing sameAug 22, 00Mar 23, 10[H04N, G11B, G06F]
7,664,369 Method and apparatus for improving the playability of a PAL or NTSC video signal containing color burst modificationsJun 19, 02Feb 16, 10[H04N]

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Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
Quan Ronald
Cupertino, CA
52
Ryan John O
Cupertino, CA
44
Holzgrafe James R
Morgan Hill, CA
10
Hollar Mark A
Palo Alto, CA
8
Wonfor Peter J
El Granada, CA
8
Heylen Richard A A
Leeds, GB
7
Basile Carmen Laura
Maidenhead, GB
6
Copeland Gregory C
San Jose, CA
5
Selve Philippe Marcel Henri
Maidenhead, GB
5
Wrobleski William J
Sunnyvale, CA
4