Inventor · Algonquin, IL, US

Stephen L. Kuffner

39Patents
15h-index
36Co-inventors
81Inventor score

Filing activity: Feb 16, 1995 → Apr 6, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US7023817B2 Method and apparatus for source device synchronization in a communication system Electricity 158 Expired
US6954446B2 Multiple mode RF communication device Electricity 81 Expired
US7248165B2 Method and apparatus for multiple frequency RFID tag architecture Physics 62 Expired
US5486836A Method, dual rectangular patch antenna system and radio for providing isolation and diversity Electricity 60 Expired
US7742764B2 Method and apparatus for determining appropriate channels for communication Electricity 54 Active
US6583765B1 Slot antenna having independent antenna elements and associated circuitry Electricity 53 Expired
US5905372A Apparatus and method for delivering power to a contactless portable data device Electricity 53 Expired
US6970518B2 Method and apparatus for electronic item identification in a communication system using known source parameters Physics 50 Expired
US7483700B2 Method and apparatus for determining appropriate channels for communication Emerging Cross-Sectional Technologies 32 Active
US7218641B2 Method and apparatus for adaptive processing gain for multiple source devices in a communications system Electricity 31 Expired
US6754190B2 Channel selection method used in a communication system Electricity 31 Expired
US7212789B2 Tunable duplexer Electricity 27 Expired
US8254844B2 Method and apparatus for utilizing a transmission polarization to reduce interference with a primary incumbent signal Electricity 26 Active
US5740205A Apparatus and method for maximizing frequency offset tracking performance in a digital receiver Electricity 24 Expired
US8660498B2 Method for database driven channel quality estimation in a cognitive radio network Electricity 21 Active
US5812615A Apparatus and method for maximizing frequency offset tracking performance in a digital receiver Electricity 13 Expired
US6931241B2 Dual digital low IF complex receiver Electricity 13 Expired
US8140085B2 Method and apparatus for optimizing spectrum utilization by a cognitive radio network Electricity 13 Active
US5532643A Manufacturably improved asymmetric stripline enhanced aperture coupler Electricity 12 Expired
US7860521B2 System and method for minimizing inter-communications system mobile station-to-mobile station interference Electricity 11 Active
US7133432B2 Collision mitigation methods used in a communication system Electricity 10 Expired
US7099469B2 Method of scrambling and descrambling data in a communication system Electricity 9 Expired
US7239624B2 Method and apparatus for allowing communication units to utilize non-licensed title spectrum Electricity 9 Expired
US9271311B1 Methods and systems for automated activation and configuration of broadband incident area networks (IANs) Electricity 9 Active
US7818011B2 Method and apparatus for channel selection Electricity 9 Active

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