Perez Freire; Luis

Patent Applications and Registrations

Patent applications and USPTO patent grants for Perez Freire; Luis.The latest application filed is for "watermark embedding and extracting method for protecting documents".

Company Profile

2.9.7

Perez Freire; Luis - Madrid ES
Perez Freire; Luis - Pontevedra ES
Perez Freire; Luis - Marin ES
Perez Freire; Luis - Marin-Pontevedra N/A ES

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Watermark Embedding And Extracting Method For Protecting Documents App 20210165860 - Perez Freire; Luis ; et al.	2021-06-03
Watermark embedding and extracting method for protecting documents Grant 10,949,509 - Perez Freire , et al. March 16, 2	2021-03-16
Watermark Embedding And Extracting Method For Protecting Documents App 20190130080 - Perez Freire; Luis ; et al.	2019-05-02
Method and system for robust audio hashing Grant 9,286,909 - Perez Gonzalez , et al. March 15, 2	2016-03-15
Method And System For Robust Audio Hashing App 20140188487 - Perez Gonzalez; Fernando ; et al.	2014-07-03
Method for decoding a probabilistic anti-collusion code Grant 8,516,608 - Perez-Freire , et al. August 20, 2	2013-08-20
Method for marking a digital image with a digital water mark Grant 8,472,528 - Fernandez Carnero , et al. June 25, 2	2013-06-25
Decoding method for a probabilistic anti-collusion code comprising the selection of the collusion strategy Grant 8,370,958 - Perez-Freire , et al. February 5, 2	2013-02-05
Decoding method for a probabilistic anti-collusion code comprising the selection of the collusion strategy App 20100287614 - Perez-Freire; Luis ; et al.	2010-11-11
Method for decoding a probabilistic anti-collusion code App 20100284530 - Perez-Freire; Luis ; et al.	2010-11-11
Method For Marking A Digital Image With A Digital Water Mark App 20100045794 - Fernandez Carnero; Jose-Luis ; et al.	2010-02-25

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