Deguillaume; Frederic

Patent Applications and Registrations

Patent applications and USPTO patent grants for Deguillaume; Frederic.The latest application filed is for "character and vector graphics watermark for structured electronic documents security".

Company Profile

0.3.4

Deguillaume; Frederic - Geneva CH

*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
Digital watermarking method robust against local and global geometric distortions and projective transforms Grant 7,664,288 - Pun , et al. February 16, 2	2010-02-16
Character and vector graphics watermark for structured electronic documents security Grant 7,644,281 - Deguillaume , et al. January 5, 2	2010-01-05
Character and vector graphics watermark for structured electronic documents security App 20060075241 - Deguillaume; Frederic ; et al.	2006-04-06
Method for the estimation and recovering of general affine transform Grant 6,904,151 - Deguillaume , et al. June 7, 2	2005-06-07
Digital watermarking method robust against local and global geometric distortions and projective transforms App 20050018871 - Pun, Thierry ; et al.	2005-01-27
Method for the estimation and recovering of general affine transform App 20030133589 - Deguillaume, Frederic ; et al.	2003-07-17
Secure hybrid robust watermarking resistant against tampering and copy-attack App 20030070075 - Deguillaume, Frederic ; et al.	2003-04-10

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