Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5971968 | Catheter probe having contrast media delivery means | Hosheng Tu, Alan de la Rama | 1999-10-26 |
| 5769780 | Method of manufacturing natural tissue valves having variably compliant leaflets | Roger Tu, Hsing-Wen Sung, Shih-Hwa Shen | 1998-06-23 |
| 5549666 | Natural tissue valve prostheses having variably complaint leaflets | Roger Tu, Hsing-Wen Sung, Shih-Hwa Shen | 1996-08-27 |
| 5376110 | Method of manufacturing pliable biological grafts materials | Roger Tu, Edwin Wang, Chris Kuo | 1994-12-27 |