APRE INSTRUMENTS, INC.
7Patents
7Active
7Granted
44Portfolio score
Filing activity: Dec 1, 2015 → Apr 15, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9581437B2 | Interferometric non-contact optical probe and measurement | Physics | 4 | Active |
| US10816408B1 | Wavelength shifting in spectrally-controlled interferometry | Physics | 1 | Active |
| US10641599B2 | Extending the range of spectrally controlled interferometry by superposition of multiple spectral modulations | Physics | 1 | Active |
| US10473451B2 | Measuring the position of objects in space | Physics | 0 | Active |
| US10422700B1 | Optical alignment based on spectrally-controlled interferometry | Physics | 0 | Active |
| US11385044B2 | Extending the range of spectrally controlled interferometry by superposition of multiple spectral modulations | Physics | 0 | Active |
| US10746537B2 | Radius-of-curvature measurement by spectrally-controlled interferometry | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.