MediaSec Technologies GmbH
Patent Applications and Registrations
Patent applications and USPTO patent grants for MediaSec Technologies GmbH.The latest application filed is for "apparatus and methods for improving detection of watermarks in content that has undergone a lossy transformation".
- MediaSec Technologies GmbH - Essen DE
- Mediasec Technologies, GmbH - DE DE
| Patent | Date |
|---|---|
| Apparatus and methods for improving detection of watermarks in content that has undergone a lossy transformation App 20050025338 - Zhao, Jian ; et al. | 2005-02-03 |
| Apparatus and methods for improving detection of watermarks in content that has undergone a lossy transformation Grant 6,782,116 - Zhao , et al. August 24, 2 | 2004-08-24 |
| Digital authentication with digital and analog documents Grant 6,751,336 - Zhao June 15, 2 | 2004-06-15 |
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