Alcatel Alsthom Compagnie Generale d'Electricite
137Patents
0Active
137Granted
42Portfolio score
Filing activity: Mar 29, 1991 → Mar 15, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5621889A | Facility for detecting intruders and suspect callers in a computer installation and a security system including such a facility | Physics | 255 | Expired |
| US5546317A | System for recognizing and managing electrochemical cells | Emerging Cross-Sectional Technologies | 205 | Expired |
| US5911023A | Polyolefin materials suitable for optical fiber cable components | Physics | 148 | Expired |
| US5926513A | Receiver with analog and digital channel selectivity | Electricity | 114 | Expired |
| US5355318A | Method of manufacturing a fractal object by using steriolithography and a fractal object obtained by performing such a method | Performing Operations; Transporting | 94 | Expired |
| US5943320A | Method of charging for the use of a telecommunications service, as well as a switching system, a service control point, and a network management facility | Electricity | 58 | Expired |
| US5442197A | Super-capacitor comprising positive and negative electrodes made of a p-doped electron conductive polymer and an electrolyte containing an organic redox compound | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5968122A | Method for propagating between views of connection object status in network | Electricity | 53 | Expired |
| US5982442A | Method and filter for reducing the blocking effect in image transmission and storage | Electricity | 51 | Expired |
| US5983233A | Process for managing the naming of objects, process for mapping an object name to a CORBA object reference, program module, computer unit, and computer system | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5903612A | Method to synchronize data and a transmitter and a receiver realizing said method | Electricity | 44 | Expired |
| US5809169A | Method of extracting contours using multifractal analysis | Physics | 41 | Expired |
| US5867528A | Method and modem for adaptive allocation of the pilot carrier in a multi-carrier system | Electricity | 40 | Expired |
| US5557785A | Object oriented multimedia information system using information and multiple classes to manage data having various structure and dedicated data managers | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5862245A | Method of extracting contours using a combined active contour and starter/guide approach | Physics | 37 | Expired |
| US5454847A | Vapor deposition method for depositing a film of fluorine-containing glass on a substrate | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6023503A | Method for deciding on the acceptance or non-acceptance of a call, as well as circuit module, communication terminal, portable unit, and network component for a telecommunication network | Electricity | 32 | Expired |
| US5894472A | Packet access method in a cellular digital radio-communications system | Electricity | 31 | Expired |
| US5793511A | Optical receiver with an equalizing circuit for PMD-induced interference, and system with such an optical receiver | Electricity | 30 | Expired |
| US5818862A | Surface emitting semiconductor laser | Electricity | 28 | Expired |
| US5310553A | Rechargeable electrochemical cell having a liquid electrolyte, and a lithium/carbon anode | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5938779A | Asic control and data retrieval method and apparatus having an internal collateral test interface function | Physics | 25 | Expired |
| US5747366A | Method of fabricating a surface emitting semiconductor laser | Electricity | 25 | Expired |
| US5880949A | Soft switching power converter comprising means for correcting the median voltage of a capacitive voltage divider | Electricity | 24 | Expired |
| US5949367A | Device and method for classifying objects in an environmentally adaptive manner | Physics | 23 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.