Patrick Cheng
3Patents
1h-index
5Co-inventors
30Inventor score
Filing activity: May 7, 1998 → Jan 31, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6176770A | Grindstone having a vacuum system in a pin chuck stepper | Physics | 3 | Expired |
| US6125644A | Container of coolant | Physics | 1 | Expired |
| US6021669A | Container of coolant | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.