Thomson-CSF
2,696Patents
0Active
2,696Granted
47Portfolio score
Filing activity: Aug 25, 1967 → Oct 14, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5884212A | Process for monitoring traffic for automatic vehicle incident detection | Physics | 396 | Expired |
| US4586512A | Device for localized heating of biological tissues | Human Necessities | 347 | Expired |
| US6289114A | Fingerprint-reading system | Physics | 334 | Expired |
| US5076664A | Optical device enabling the introduction of a collimated image in an observer's field of vision | Physics | 291 | Expired |
| US4593978A | Smectic liquid crystal color display screen | Physics | 243 | Expired |
| US4396885A | Device applicable to direction finding for measuring the relative orientation of two bodies | Physics | 237 | Expired |
| US5105127A | Dimming method and device for fluorescent lamps used for backlighting of liquid crystal screens | Emerging Cross-Sectional Technologies | 214 | Expired |
| US5453877A | Optical system of collimation notably for helmet display unit | Physics | 205 | Expired |
| US4088400A | Display devices | Physics | 181 | Expired |
| US4967160A | Frequency multiplier with programmable order of multiplication | Electricity | 177 | Expired |
| US4928005A | Multiple-point temperature sensor using optic fibers | Physics | 172 | Expired |
| US4636785A | Indicator device with electric control of displacement of a fluid | Physics | 157 | Expired |
| US4554668A | Frequency-hopping radio communications system | Electricity | 156 | Expired |
| US4360876A | Cartographic indicator system | Physics | 156 | Expired |
| US4138726A | Airborne arrangement for displaying a moving map | Physics | 155 | Expired |
| US4209254A | System for monitoring the movements of one or more point sources of luminous radiation | Mechanical Engineering; Lighting; Heating | 154 | Expired |
| US5124821A | Large-field holographic binocular helmet visor | Physics | 149 | Expired |
| US4945242A | Photosensitive device and image detector including such a device, especially two-energy image detector | Electricity | 146 | Expired |
| US4303300A | Rotary-joint device providing for an optical waveguide transmission | Physics | 141 | Expired |
| US4703219A | Optical device for concentrating the light radiation emitted by a light emitting diode, and a light emitting diode comprising a device of this nature | Electricity | 138 | Expired |
| US5416617A | Image projection display screen employing polymer dispersed liquid crystal layer and electrochromic layer | Physics | 138 | Expired |
| US5684817A | Semiconductor laser having a structure of photonic bandgap material | Electricity | 135 | Expired |
| US5458122A | System for wireless transmission of medical data | Emerging Cross-Sectional Technologies | 133 | Expired |
| US4952788A | Method of photoelectric detection with reduction of remanence of a phototransistor, notably of the NIPIN type | Emerging Cross-Sectional Technologies | 133 | Expired |
| US5637536A | Method for interconnecting semiconductor chips in three dimensions, and component resulting therefrom | Electricity | 132 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.