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Singapore, SG
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Patents Grants
last 30 patents
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Patent Grant
Watermarking method and apparatus
Patent number
7,561,716
Issue date
Jul 14, 2009
Datamark Technologies PTE Ltd.
T. S. Anthony Ho
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Methods for embedding image, audio and video watermarks in digital...
Patent number
6,983,057
Issue date
Jan 3, 2006
Datamark Technologies PTE Ltd.
Anthony Tung Shuen Ho
G06 - COMPUTING CALCULATING COUNTING
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Patents Applications
last 30 patents
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Patent Application
SECURE MEDIA STORAGE DEVICE AND METHOD OF SECURING MEDIA STORAGE DE...
Publication number
20090240955
Publication date
Sep 24, 2009
Datamark Technologies PTE Ltd.
Andrew Chow
G06 - COMPUTING CALCULATING COUNTING
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Patent Application
Watermarking method and apparatus
Publication number
20070172094
Publication date
Jul 26, 2007
Datamark Technologies Pte Ltd
T. S. Anthony Ho
G06 - COMPUTING CALCULATING COUNTING