Inventor · disambiguated record
Niels J. Thorwirth
Also filed as: THORWIRTH NIELS · THORWIRTH NIELS J
24 granted patents·3 pending applications·370 citations·filing 2002–2018
96Inventor score
Files withVERIMATRIX INC17THORWIRTH NIELS J3SCHREINER GROUP GMBH & CO KG2THOMSON LICENSING2MEDIASEC TECHNOLOGIES GMBH1
Top patents by PatentIndex Score
27 records- 0197US9648022B2Digital rights domain management for secure content distribution in a local networkVERIMATRIX INC·Filed 2015·Granted May 9, 2017·32 cites·32 claims
- 0295US6782116B1Apparatus and methods for improving detection of watermarks in content that has undergone a lossy transformationMEDIASEC TECHNOLOGIES GMBH·Filed 2002·Granted Aug 24, 2004·123 cites·62 claims
- 0393US8515123B2Efficient watermarking approaches of compressed mediaTHORWIRTH NIELS J·Filed 2009·Granted Aug 20, 2013·22 cites·35 claims
- 0492US8189862B2Visible authentication patterns for printed documentZHAO JIAN·Filed 2011·Granted May 29, 2012·10 cites·13 claims
- 0591US9900306B2Device authentication for secure key retrieval for streaming media playersVERIMATRIX INC·Filed 2016·Granted Feb 20, 2018·10 cites·16 claims
- 0691US8995711B2Efficient watermarking approaches of compressed mediaVERIMATRIX INC·Filed 2013·Granted Mar 31, 2015·10 cites·26 claims
- 0791US7430302B2Covert and robust mark for media identificationVERIMATRIX INC·Filed 2006·Granted Sep 30, 2008·24 cites·19 claims
- 0890US7991198B2Visible authentication patterns for printed documentSCHREINER GROUP GMBH & CO KG·Filed 2010·Granted Aug 2, 2011·12 cites·20 claims
- 0989US9532113B2Systems and methods for securing content delivered using a playlistTHORWIRTH NIELS J·Filed 2011·Granted Dec 27, 2016·9 cites·21 claims
- 1084US9847979B2Security and key management of digital contentVERIMATRIX INC·Filed 2013·Granted Dec 19, 2017·15 cites·21 claims
- 1182US10691830B2Systems and methods for preserving privacy in distribution of digital content using private tokensVERIMATRIX INC·Filed 2016·Granted Jun 23, 2020·3 cites·14 claims
- 1282US7630511B2Apparatus and methods for improving detection of watermarks in content that has undergone a lossy transformationTHOMSON LICENSING·Filed 2004·Granted Dec 8, 2009·21 cites·11 claims
- 1381US7555650B1Techniques for reducing the computational cost of embedding information in digital representationsTHOMSON LICENSING·Filed 2003·Granted Jun 30, 2009·21 cites·25 claims
- 1480US9226047B2Systems and methods for performing semantic analysis of media objectsTHORWIRTH NIELS J·Filed 2008·Granted Dec 29, 2015·10 cites·23 claims
- 1580US7809152B2Visible authentication patterns for printed documentSCHREINER GROUP GMBH & CO KG·Filed 2003·Granted Oct 5, 2010·24 cites·27 claims
- 1678US10045093B2Systems and methods for securing content delivered using a playlistVERIMATRIX INC·Filed 2016·Granted Aug 7, 2018·2 cites·27 claims
- 1778US9804668B2Systems and methods for rapid content switching to provide a linear TV experience using streaming content distributionVERIMATRIX INC·Filed 2013·Granted Oct 31, 2017·5 cites·29 claims
- 1876US10591984B2Systems and methods for rapid content switching to provide a linear TV experience using streaming content distributionVERIMATRIX INC·Filed 2017·Granted Mar 17, 2020·2 cites·20 claims
- 1972US7738677B2Efficient application of video marking technologiesVERIMATRIX INC·Filed 2007·Granted Jun 15, 2010·3 cites·39 claims
- 2071US7853040B2Covert and robust mark for media identificationVERIMATRIX INC·Filed 2008·Granted Dec 14, 2010·4 cites·20 claims
- 2169US11611808B2Systems and methods of preparing multiple video streams for assembly with digital watermarkingVERIMATRIX INC·Filed 2018·Granted Mar 21, 2023·1 cites·8 claims
- 2268US10454671B2Securing communication in a playback device with a control module using a key contributionVERIMATRIX INC·Filed 2015·Granted Oct 22, 2019·2 cites·17 claims
- 2368US9271016B2Reformatting media streams to include auxiliary dataVERIMATRIX INC·Filed 2014·Granted Feb 23, 2016·3 cites·18 claims
- 2468US9253165B2Digital rights domain management for secure content distribution in a local networkPETERKA PETR·Filed 2011·Granted Feb 2, 2016·2 cites·30 claims
- 2550US2017347152A1Systems and Methods for Using Content Protection Signaling to Collect Audience Measurement DataVERIMATRIX INC·Filed 2014·Application pending·0 cites
- 2648US2016105719A1Systems and Methods for Performing Semantic Analysis of Media ObjectsVERIMATRIX INC·Filed 2015·Application pending·0 cites
- 2730US2017116693A1Systems and Methods for Decentralizing Commerce and Rights Management for Digital Assets Using a Blockchain Rights LedgerVERIMATRIX INC·Filed 2016·Application pending·0 cites
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