Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760065 | Imaging table of contents | — | 2004-07-06 |
| 6104686 | Copy protection marks on a transparent layer of an optical disk indicating that the disk has been previously accessed | Donald R. Preuss, Yuan-Sheng Tyan | 2000-08-15 |
| 5963536 | Copy count protection structure for optical recording medium and method for same | Bane Vasic, Yuan-Sheng Tyan, Randall H. Victora | 1999-10-05 |