Warner Music Group, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 6132
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 2109
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 2240
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
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 1173
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8166093 Method and apparatus for processing multimedia programs for play on incompatible devicesFeb 08, 02Apr 24, 12[H04N, G06F]
7454257 Apparatus and method for down converting multichannel programs to dual channel programs using a smart coefficient generatorFeb 08, 01Nov 18, 08[G06F]
7333863 Recording and playback control systemMay 05, 97Feb 19, 08[G06F]
7206766 Method and apparatus for distributing multimedia programsNov 16, 05Apr 17, 07[G06Q]
7203154 Recording and playback of multi-channel digital audio having different resolutions for different channelsDec 06, 04Apr 10, 07[G11B]
7197458 Method and system for verifying derivative digital files automaticallyMay 09, 02Mar 27, 07[H04L]
7050590 Method and apparatus for checking audio signalsDec 18, 01May 23, 06[H04R]
6993509 Method and apparatus for distributing multimedia programsFeb 15, 02Jan 31, 06[G06F]
6898173 Recording and playback of multi-channel digital audio having different resolutions for different channelsMar 29, 03May 24, 05[G11B]
6591420 Remote control system for audio and video contentAug 25, 99Jul 08, 03[H04N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0074,213 APPARATUS AND METHOD FOR DOWN CONVERTING MULTICHANNEL PROGRAMS TO DUAL CHANNEL PROGRAMS USING A SMART COEFFICIENT GENERATORAbandonedMay 23, 08Mar 19, 09[H04R]
2002/0025,053 Speaker alignment toolAbandonedFeb 12, 01Feb 28, 02[H04R]

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