Hinds Instruments, Inc.
34Patents
17Active
34Granted
44Portfolio score
Filing activity: Jun 24, 1994 → Nov 22, 2019 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6473179B1 | Birefringence measurement system | Physics | 24 | Expired |
| US6473181B1 | Measurement of waveplate retardation using a photoelastic modulator | Physics | 16 | Expired |
| US6268914A | Calibration Process For Birefringence Measurement System | Physics | 16 | Expired |
| US6697157B2 | Birefringence measurement | Physics | 14 | Expired |
| US6985227B2 | Birefringence measurement at deep-ultraviolet wavelengths | Physics | 12 | Expired |
| US5886810A | Mounting apparatus for an optical assembly of a photoelastic modulator | Physics | 12 | Expired |
| US5652673A | Elimination of modulated interference effects in photoelastic modulators | Physics | 11 | Expired |
| US5744721A | Electronic control system for an optical assembly | Physics | 7 | Expired |
| US6906844B1 | Mounting system for an optical assembly of a photoelastic modulator | Physics | 5 | Expired |
| US6970278B1 | Controlling resonant photoelastic modulators | Physics | 5 | Expired |
| US6738137B2 | Measurement of waveplate retardation using a photoelastic modulator | Physics | 5 | Expired |
| US6867863B1 | Integrated diagnostic for photoelastic modulator | Physics | 5 | Expired |
| US7002685B2 | System for measuring of both circular and linear birefringence | Physics | 5 | Expired |
| US9683930B2 | Polarization properties imaging systems | Physics | 3 | Active |
| US7800845B2 | Support for vibrating optical assembly | Physics | 3 | Active |
| US6765734B1 | Adjustable sample holder for optical equipment | Physics | 3 | Expired |
| US8248605B2 | Detection system for birefringence measurement | Physics | 2 | Active |
| US7312869B2 | Out-of-plane birefringence measurement | Physics | 2 | Active |
| US7016039B2 | Purging light beam paths in optical equipment | Physics | 2 | Expired |
| US7385696B2 | Birefringence measurement of polymeric films and the like | Physics | 2 | Expired |
| US8520207B2 | Detection system for birefringence measurement | Physics | 2 | Active |
| US8537476B2 | Support system for vibrating optical assembly | Physics | 1 | Active |
| US6992758B2 | Birefringence measurement of large-format samples | Physics | 1 | Expired |
| US9019497B2 | Measurement of linear and circular diattenuation in optical elements | Physics | 1 | Active |
| US8797660B1 | Alignment mechanism for photoelastic modulators | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.