Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7315866 | Method for incremental authentication of documents | Yong Wu | 2008-01-01 |
| 7233782 | Method of generating an authentication | Feng Bao, Jianying Zhou | 2007-06-19 |
| 7171559 | Method of exchanging digital data | Feng Bao | 2007-01-30 |
| 7110539 | Method and apparatus for encrypting and decrypting data | Feng Bao | 2006-09-19 |
| 6748533 | Method and apparatus for protecting the legitimacy of an article | Jiankang Wu, Qibin Sun | 2004-06-08 |
| 6711553 | Method and apparatus for digital content copy protection | Yong Wu | 2004-03-23 |
| 6678389 | Method and apparatus for embedding digital information in digital multimedia data | Qibin Sun, Jiankang Wu | 2004-01-13 |
| 6058383 | Computationally efficient method for trusted and dynamic digital objects dissemination | Arcot Desai Narasimhalu, Weiguo Wang | 2000-05-02 |