Opto-Knowledge Systems, Inc.
9Patents
8Active
9Granted
45Portfolio score
Filing activity: May 28, 2003 → Apr 23, 2012 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8836793B1 | True color night vision (TCNV) fusion | Electricity | 124 | Active |
| US7157706B2 | Cryogenically cooled adjustable apertures for infrared cameras | Electricity | 24 | Expired |
| US8164813B1 | Non-circular continuous variable aperture or shutter for infrared cameras | Physics | 15 | Active |
| US7427758B2 | Cryogenically cooled adjustable apertures for infra-red cameras | Electricity | 14 | Active |
| US8462418B1 | Continuous variable aperture for forward looking infrared cameras based on adjustable blades | Physics | 11 | Active |
| US8497479B1 | Adjustable-aperture infrared cameras with feedback aperture control | Electricity | 9 | Active |
| US7816650B2 | External variable aperture and relay for infra-red cameras | Electricity | 8 | Active |
| US8071947B2 | Variable aperture for infra-red cameras | Electricity | 7 | Active |
| US8466964B2 | Multispectral uncooled thermal infrared camera system | Electricity | 6 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.