Luis Perez Freire

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Marin, ES

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for robust audio hashing
- Patent number 9,286,909
- Issue date Mar 15, 2016
- BRIDGE MEDIATECH, S.L.
- Fernando Perez Gonzalez
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method for marking a digital image with a digital water mark
- Patent number 8,472,528
- Issue date Jun 25, 2013
- Tredess 2010, S.L.
- José Luis Fernandez Carnero
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
WATERMARK EMBEDDING AND EXTRACTING METHOD FOR PROTECTING DOCUMENTS
- Publication number 20190130080
- Publication date May 2, 2019
- TELEFONICA DIGITAL ESPAÑA, S.L.U.
- Luis Perez Freire
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND SYSTEM FOR ROBUST AUDIO HASHING
- Publication number 20140188487
- Publication date Jul 3, 2014
- BRIDGE MEDIATECH, S.L.
- Fernando Perez Gonzalez
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD FOR MARKING A DIGITAL IMAGE WITH A DIGITAL WATER MARK
- Publication number 20100045794
- Publication date Feb 25, 2010
- TREDESS 2010, S.L.
- José-Luis Fernandez Carnero
- G06 - COMPUTING CALCULATING COUNTING