Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7076861 | Multi-package conversion kit for a pick and place handler | Kai Wah Sum, Liop-Jin Yap | 2006-07-18 |
| 6300781 | Reliable method and apparatus for interfacing between a ball grid array handler and a ball grid array testing system | Liop-Jin Yap, Chee Keong Tan | 2001-10-09 |