SEMROCK, INC.
24Patents
17Active
24Granted
47Portfolio score
Filing activity: Dec 20, 2001 → May 3, 2017 · 8 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7123416B1 | Method of making high performance optical edge and notch filters and resulting products | Physics | 57 | Expired |
| US6809859B2 | Optical filter and fluorescence spectroscopy system incorporating the same | Physics | 37 | Expired |
| US6894838B2 | Extended bandwidth mirror | Physics | 36 | Expired |
| US7119960B1 | Method of making high performance optical edge and laser-line filters and resulting products | Physics | 24 | Expired |
| US7068430B1 | Method of making highly discriminating optical edge filters and resulting products | Physics | 23 | Expired |
| US6611378B1 | Thin-film interference filter with quarter-wavelength unit sub-layers arranged in a generalized pattern | Emerging Cross-Sectional Technologies | 19 | Expired |
| US9547178B2 | Dichroic image splitter | Physics | 17 | Active |
| US8958156B1 | Interference filter for non-zero angle of incidence spectroscopy | Physics | 15 | Active |
| US8300313B2 | Method for manufacturing an optical transmission filter with extended out-of-band blocking | Physics | 12 | Active |
| US8059327B1 | Variable spectral filter apparatus | Physics | 11 | Active |
| US9434145B2 | Dichroic filter conformed to optical surface | Emerging Cross-Sectional Technologies | 8 | Active |
| US8441710B2 | Tunable thin-film filter | Physics | 8 | Active |
| US7411679B2 | Optical filter and fluorescence spectroscopy system incorporating the same | Physics | 8 | Expired |
| US8879150B1 | Optical thin-film polarizing bandpass filter | Physics | 4 | Active |
| US9304237B1 | Tunable band-pass filter | Physics | 4 | Active |
| US9354370B1 | Optical thin-film notch filter with very wide pass band regions | Physics | 4 | Active |
| US7773302B2 | Low cost filter for fluorescence systems | Physics | 1 | Active |
| US7773300B2 | Multiphoton fluorescence filters | Physics | 1 | Active |
| US9857511B2 | Interference filter for non-zero angle of incidence spectroscopy | Physics | 1 | Active |
| US9423622B2 | Glass block dichroic beamsplitters | Physics | 0 | Active |
| US10437009B2 | Mount for flat optical surface | Physics | 0 | Active |
| US9019606B2 | Multilayer thin film attenuators | Physics | 0 | Active |
| US9057882B1 | Multilayer thin film attenuators | Physics | 0 | Active |
| US8508849B2 | Multiphoton fluorescence filters | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.