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WARNER MUSIC GROUP INC

Overview
  • Total Patents
    53
About

WARNER MUSIC GROUP INC has a total of 53 patent applications. Its first patent ever was published in 1997. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets audio-visual technology, telecommunications and machines are SRT INC, GO VIDEO INC and ZOOTECH LTD.

Patent filings per year

Chart showing WARNER MUSIC GROUP INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mcpherson Alan J 25
#2 Thagard Gregory 21
#3 Mcpherson Alan 14
#4 Lydecker George 13
#5 Lydecker George H 12
#6 Outwater Edwin Iii 9
#7 Cookson Christopher 8
#8 Outwater Iii Edwin 5
#9 Mecca Charles M J 4
#10 Stevens Paul Mark 4

Latest patents

Publication Filing date Title
WO02091388A1 Method and system for verifying derivative digital files automatically
WO03083699A1 Method and apparatus for playing multimedia audio-visual presentations
US6993509B2 Method and apparatus for distributing multimedia programs
AU2002326348A1 Apparatus and method for down converting multichannel programs to dual channel programs using a smart coefficient generator
US7050590B2 Method and apparatus for checking audio signals
AU3809201A A speaker alignment tool
US6239728B1 Dual rate encoding scheme and apparatus using the same
WO0149482A2 An improved method and apparatus for making dual-layer dvd discs
CA2386625A1 Recording and playback control system
US6591420B1 Remote control system for audio and video content
US6177168B1 DVD disc with four information layers, and method for making same
CA2369094A1 Flash memory card adapter for stereo systems
AU3006599A Dual format optical disc
WO9967951A1 Method and apparatus for testing the quality of recorded information
US5903701A Method and apparatus for testing the quality of recorded information
EP1394795A2 Recording & playback of multi-channel digital audio having different sampling rates for different channels
EP1492110A2 Recording & playback of multi-channel digital audio having different resolutions for different channels
US6298025B1 Recording and playback of multi-channel digital audio having different resolutions for different channels
US6243686B1 Flash memory card adapter for stereo systems
US7333863B1 Recording and playback control system