Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7046026 | Testing vias and contracts in integrated circuit | Tai-An Chao, Zicheng Gary Ling | 2006-05-16 |
| 6784685 | Testing vias and contacts in an integrated circuit | Tai-An Chao, Zicheng Gary Ling | 2004-08-31 |
| 6503765 | Testing vias and contacts in integrated circuit fabrication | Tai-An Chao, Zicheng Gary Ling | 2003-01-07 |