David Xu
3Patents
3h-index
11Co-inventors
47Inventor score
Filing activity: Jun 30, 1997 → Nov 19, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5980040A | Pinhole lens and contact lens | Physics | 150 | Expired |
| US6047082A | Automatic lens inspection system | Physics | 36 | Expired |
| US8785868B2 | Intelligent UV radiation system | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.