Patent assignee · US · COMPANY

RF Micro Devices, Inc.

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620Patents
469Active
620Granted
61Portfolio score

Filing activity: Mar 29, 1995 → Sep 8, 2015 · 196 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7868419B1 Linearity improvements of semiconductor substrate based radio frequency devices Electricity 371 Active
US7619347B1 Layer acoustic wave device and method of making the same Emerging Cross-Sectional Technologies 290 Active
US8278802B1 Planarized sacrificial layer for MEMS fabrication Emerging Cross-Sectional Technologies 253 Active
US9369105B1 Method for manufacturing a vibrating MEMS circuit Emerging Cross-Sectional Technologies 238 Active
US9219594B2 Dual antenna integrated carrier aggregation front end solution Electricity 226 Active
US7336056B1 Switching power converter that supports both a boost mode of operation and a buck mode of operation using a common duty-cycle timing signal Emerging Cross-Sectional Technologies 213 Active
US9214337B2 Patterned silicon-on-plastic (SOP) technology and methods of manufacturing the same Electricity 184 Active
US8658475B1 Stacked body-contacted field effect transistor Electricity 180 Active
US7054396B2 Method and apparatus for multipath signal compensation in spread-spectrum communications systems Electricity 177 Expired
US6969978B2 DC-DC converter with reduced electromagnetic interference Electricity 166 Expired
US7529523B1 N-th order curve fit for power calibration in a mobile terminal Electricity 137 Active
US6724252B2 Switched gain amplifier circuit Electricity 131 Expired
US7233130B1 Active ripple reduction switched mode power supplies Electricity 130 Expired
US8542061B2 Charge pump based power amplifier envelope power supply and bias power supply Electricity 124 Active
US8320850B1 Power control loop using a tunable antenna matching circuit Electricity 123 Active
US5629648A HBT power amplifier Electricity 110 Expired
US8588713B2 Power management system for multi-carriers transmitter Electricity 104 Active
US9041365B2 Multiple mode RF power converter Electricity 100 Active
US8493141B2 Pseudo-envelope following power management system Electricity 100 Active
US6701138B2 Power amplifier control Electricity 98 Expired
US6838951B1 Frequency synthesizer having VCO bias current compensation Electricity 97 Expired
US9020451B2 Programmable RF notch filter for envelope tracking Electricity 94 Active
US8611402B2 Fast envelope system calibration Electricity 93 Active
US8076750B1 Linearity improvements of semiconductor substrate based radio frequency devices Electricity 92 Active
US7135766B1 Integrated power devices and signal isolation structure Electricity 90 Expired

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