France Telecom Etablissement Autonome De Droit Public
74Patents
0Active
74Granted
39Portfolio score
Filing activity: Feb 26, 1991 → Dec 23, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5386379A | Memory cell for associative memory | Physics | 422 | Expired |
| US5469529A | Process for measuring the resemblance between sound samples and apparatus for performing this process | Physics | 232 | Expired |
| US5301233A | Process for the transmission and reception of personalized programs | Electricity | 126 | Expired |
| US5187122A | Process for fabricating an integrated circuit using local silicide interconnection lines | Emerging Cross-Sectional Technologies | 99 | Expired |
| US5299041A | Active matrix, high definition, liquid crystal display structure | Physics | 96 | Expired |
| US5680411A | Integrated monolithic laser-modulator component with multiple quantum well structure | Electricity | 83 | Expired |
| US5657412A | Splice case for fibre optic cables | Physics | 72 | Expired |
| US5250451A | Process for the production of thin film transistors | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5589967A | Method and device for transmitting and switching packets in an optical network | Electricity | 51 | Expired |
| US5519801A | Small, high precision, multicore optical guides and process for the production of said guides | Chemistry; Metallurgy | 45 | Expired |
| US5495098A | Smart card updating process | Physics | 45 | Expired |
| US5559613A | Photorefractive device with quantum wells | Physics | 35 | Expired |
| US5278951A | Decompilation process for producing graphs by means of a computer | Physics | 33 | Expired |
| US5781431A | Process and apparatus for high speed on the fly supply of information necessary for routing data structures | Electricity | 32 | Expired |
| US5341167A | Visual and sound communication system with remote control means | Electricity | 31 | Expired |
| US5442701A | Process for the broadcasting of conditional access programs permitting a progressive access to such programs | Electricity | 31 | Expired |
| US5477555A | Method and device for generating optical pulses | Electricity | 28 | Expired |
| US5602915A | Process for the control of secret keys between two smart cards | Electricity | 27 | Expired |
| US5193131A | Optoelectronic device with an integrated optical guide and photodetector | Physics | 26 | Expired |
| US5326420A | Machine for assembling liquid crystal cells | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5617227A | Light diffraction device using reconfigurable spatial light modulators and the fractional talbot effect | Physics | 25 | Expired |
| US5587809A | System and a process for transmission of secure faxes | Electricity | 23 | Expired |
| US5245681A | Rapidly reconfigurable wavelength multiplexing device | Electricity | 23 | Expired |
| US5483108A | Uninterrupted distributed storage supply system | Electricity | 21 | Expired |
| US5221561A | Process for the photochemical treatment of a material using a flash tube light source | Chemistry; Metallurgy | 19 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.