Patent assignee · CH · COMPANY

ST-ERICSSON SA

686Patents
646Active
686Granted
62Portfolio score

Filing activity: Jul 6, 2000 → Feb 22, 2016 · 355 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8730079B2 Sampling rate converter data flow control mechanism Electricity 48 Active
US9088247B2 Method and apparatus for a multi-standard, multi-mode, dynamic, DC-DC converter for radio frequency power amplifiers Electricity 32 Active
US7589507B2 Low dropout regulator with stability compensation Physics 30 Active
US8270558B2 Electronic device, barrel shifter unit and method of barrel shifting Physics 27 Active
US8621128B2 Methods and systems for reliable link startup Emerging Cross-Sectional Technologies 27 Active
US8676165B2 Method and apparatus for peer-to-peer instant messaging Electricity 24 Active
US8120410B2 Adaptive control of power supply for integrated circuits Emerging Cross-Sectional Technologies 23 Active
US7643847B2 Versatile baseband signal input current splitter Electricity 23 Expired
US7689190B2 Controlling the frequency of an oscillator Electricity 22 Active
US8354882B2 Doherty amplifier with input network optimized for MMIC Electricity 22 Active
US8589908B2 Method for remotely upgrading the firmware of a target device using wireless technology Physics 21 Active
US9160232B2 Efficient regulation of capacitance voltage(s) in a switched mode multilevel power converter Emerging Cross-Sectional Technologies 20 Active
US8140044B2 Mixer circuit and method of operation Physics 20 Active
US8513997B2 RF duty cycle correction circuit Electricity 18 Active
US8553612B2 Coexistence of wireless personal area network and wireless local area network Electricity 17 Active
US7831252B2 Method, user equipment and network for performing a handover for user equipments in peer-to-peer communication mode, to a cell whose link performance is a predefined value higher than that of the active cell Electricity 16 Expired
US7902801B2 Low dropout regulator with stability compensation circuit Physics 16 Active
US8364098B2 PLL calibration Electricity 15 Active
US9306789B2 Estimation of CFO based on relative values of frequency bins corresponding to used subcarriers of received preamble symbols for OFDM systems Electricity 15 Active
US8554162B2 High efficiency power amplifier Electricity 15 Active
US8463333B2 Mobile phone with low-power media rendering sub-system Emerging Cross-Sectional Technologies 15 Active
US8736393B2 Variable capacitance integrated electronic circuit module Electricity 15 Active
US7757029B2 On the fly configuration of electronic device with attachable sub-modules Physics 14 Expired
US9191042B2 Interference cancellation technique for channel estimation in OFDM receivers Electricity 14 Active
US7747248B2 Radio device testing system Electricity 14 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.