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