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Klaus HOLZAPFEL

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR COPY PROTECTION
    • Publication number 20140286623
    • Publication date Sep 25, 2014
    • SONY DADC Austria AG
    • Markus SPITZLINGER
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    METHOD AND DEVICES FOR COPY PROTECTION, COPY PROTECTED RECORD CARRIER
    • Publication number 20120250477
    • Publication date Oct 4, 2012
    • SONY CORPORATION
    • Kenjiro Ueda
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    METHOD AND DEVICES FOR COPY PROTECTION, COPY PROTECTED RECORD CARRIER
    • Publication number 20120250473
    • Publication date Oct 4, 2012
    • SONY CORPORATION
    • Klaus HOLZAPFEL
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    METHOD FOR COPY PROTECTION
    • Publication number 20120155233
    • Publication date Jun 21, 2012
    • SONY DADC Austria AG
    • Markus SPITZLINGER
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    METHOD FOR COPY PROTECTION
    • Publication number 20120134248
    • Publication date May 31, 2012
    • SONY DADC Austria AG
    • Markus Spitzlinger
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    METHOD FOR COPY PROTECTION
    • Publication number 20120134649
    • Publication date May 31, 2012
    • SONY DADC Austria AG
    • Markus Spitzlinger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHOD FOR COPY PROTECTION
    • Publication number 20120134650
    • Publication date May 31, 2012
    • SONY DADC Austria AG
    • Markus SPITZLINGER
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHOD FOR COPY PROTECTION
    • Publication number 20120134249
    • Publication date May 31, 2012
    • SONY DADC Austria AG
    • Markus Spitzlinger
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    METHOD FOR COPY PROTECTION
    • Publication number 20120128332
    • Publication date May 24, 2012
    • SONY DADC Austria AG
    • Markus Spitzlinger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL DISC
    • Publication number 20070183299
    • Publication date Aug 9, 2007
    • SONY DADC Austria AG
    • Markus Spitzlinger
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Dvd copy protection
    • Publication number 20070036356
    • Publication date Feb 15, 2007
    • SONY DADC Austria AG
    • Klaus Holzapfel
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Method for converting non copy protected data into copy protected data
    • Publication number 20060291651
    • Publication date Dec 28, 2006
    • SONY DADC Austria AG
    • Klaus Holzapfel
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Data recording method and data recording medium
    • Publication number 20040130996
    • Publication date Jul 8, 2004
    • Gottfried Reiter
    • G11 - INFORMATION STORAGE