Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967392 | Seal ring structure for radio frequency integrated circuits | Chao-Chieh Tsai | 2005-11-22 |
| 6537849 | Seal ring structure for radio frequency integrated circuits | Chao-Chieh Tsai | 2003-03-25 |