ElectroScan Corporation
10Patents
0Active
10Granted
31Portfolio score
Filing activity: May 21, 1987 → Jun 3, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4897545A | Electron detector for use in a gaseous environment | Electricity | 53 | Expired |
| US4785182A | Secondary electron detector for use in a gaseous atmosphere | Electricity | 43 | Expired |
| US5362964A | Environmental scanning electron microscope | Electricity | 43 | Expired |
| US5412211A | Environmental scanning electron microscope | Electricity | 42 | Expired |
| US4823006A | Integrated electron optical/differential pumping/imaging signal detection system for an environmental scanning electron microscope | Electricity | 39 | Expired |
| US4992662A | Multipurpose gaseous detector device for electron microscope | Electricity | 36 | Expired |
| US5250808A | Integrated electron optical/differential pumping/imaging signal system for an environmental scanning electron microscope | Electricity | 32 | Expired |
| US4880976A | Secondary electron detector for use in a gaseous atmosphere | Electricity | 26 | Expired |
| US5173776A | Apparatus and method for improving the signal-to-noise ratio of video display signals | Electricity | 4 | Expired |
| US4857743A | Disposable spray aperture | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.