Inventor · Andover, MA, US

David Scott Whitefield

86Patents
11h-index
47Co-inventors
74Inventor score

Filing activity: Dec 13, 2010 → May 28, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US9806676B2 Power amplification system with programmable load line Electricity 102 Active
US9092393B2 Dual mode serial/parallel interface and use thereof in improved wireless devices and switching components Emerging Cross-Sectional Technologies 54 Active
US9990322B2 Dual serial/parallel interface devices and switching components Emerging Cross-Sectional Technologies 44 Active
US9774300B2 Transformer-based doherty power amplifier Electricity 41 Active
US9496902B2 Apparatus and methods for reconfigurable directional couplers in an RF transceiver with selectable phase shifters Electricity 31 Active
US9553617B2 Apparatus and methods for reconfigurable directional couplers in an RF transceiver with controllable capacitive coupling Electricity 29 Active
US9721936B2 Field-effect transistor stack voltage compensation Electricity 16 Active
US9866244B2 Electromagnetic couplers for multi-frequency power detection Electricity 15 Active
US9954564B2 Electromagnetic couplers with multi-band filtering Electricity 13 Active
US9948271B2 Methods for reconfiguring directional couplers in an RF transceiver Electricity 12 Active
US10229902B2 Stack device having voltage compensation Electricity 11 Active
US9614269B2 RF coupler with adjustable termination impedance Electricity 10 Active
US9941856B2 Apparatus for reconfigurable directional couplers in an RF transceiver with selectable phase shifters Electricity 10 Active
US9831192B2 Cavity formation in semiconductor devices Electricity 10 Active
US9960750B2 Apparatus for reconfigurable directional couplers in an RF transceiver with controllable capacitive coupling Electricity 10 Active
US9859225B2 Backside cavity formation in semiconductor devices Electricity 9 Active
US9806094B2 Non-uniform spacing in transistor stacks Electricity 9 Active
US9837362B2 Cavity formation in interface layer in semiconductor devices Electricity 8 Active
US10153306B2 Transistor layout with low aspect ratio Electricity 7 Active
US9960747B2 Integrated filter and directional coupler assemblies Electricity 6 Active
US10410957B2 Body contacts for field-effect transistors Electricity 6 Active
US10249575B2 Radio-frequency isolation using cavity formed in interface layer Electricity 6 Active
US9692103B2 RF coupler with switch between coupler port and adjustable termination impedance circuit Electricity 6 Active
US10389350B2 Stacked auxiliary field-effect transistor configurations for radio frequency applications Electricity 5 Active
US9812757B2 RF coupler having coupled line with adjustable length Electricity 5 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.