Roland Hedrich
5Patents
4h-index
12Co-inventors
50Inventor score
Filing activity: Apr 3, 1992 → Mar 3, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7152488B2 | System operating unit | Mechanical Engineering; Lighting; Heating | 82 | Expired |
| US6473230B2 | Microscope | Physics | 6 | Expired |
| US6236503A | Microscope stand for a wafer inspection microscope | Physics | 6 | Expired |
| US5315080A | Limit switching apparatus with defined overtravel for specimen protection on microscopes with motorized focusing drive | Physics | 6 | Expired |
| US8451440B2 | Apparatus for the optical inspection of wafers | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.