Inventor · disambiguated record
Luis Perez Freire
Also filed as: PEREZ FREIRE LUIS
3 granted patents·1 pending application·12 citations·filing 2007–2021
61Inventor score
Files withTELEFONICA CIBERSECURITY & CLOUD TECH S L U2FERNANDEZ CARNERO JOSE LUIS1PEREZ GONZALEZ FERNANDO1
Top patents by PatentIndex Score
4 records- 0175US10949509B2Watermark embedding and extracting method for protecting documentsTELEFONICA CIBERSECURITY & CLOUD TECH S L U·Filed 2018·Granted Mar 16, 2021·7 cites·6 claims
- 0263US9286909B2Method and system for robust audio hashingPEREZ GONZALEZ FERNANDO·Filed 2011·Granted Mar 15, 2016·5 cites·12 claims
- 0349US2021165860A1Watermark embedding and extracting method for protecting documentsTELEFONICA CIBERSECURITY & CLOUD TECH S L U·Filed 2021·Application pending·0 cites
- 0419US8472528B2Method for marking a digital image with a digital water markFERNANDEZ CARNERO JOSE LUIS·Filed 2007·Granted Jun 25, 2013·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →