Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6674861 | Digital audio watermarking using content-adaptive, multiple echo hopping | Changsheng Xu, Jiankang Wu, Qibin Sun, Kai Xin | 2004-01-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6674861 | Digital audio watermarking using content-adaptive, multiple echo hopping | Changsheng Xu, Jiankang Wu, Qibin Sun, Kai Xin | 2004-01-06 |