Inventor · Shillington, PA, US

Roger A. Fratti

51Patents
11h-index
33Co-inventors
74Inventor score

Filing activity: Dec 21, 1994 → May 3, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7280816B2 Techniques for monitoring mobile telecommunications for shared accounts Electricity 324 Expired
US7915512B2 Method and apparatus for adjusting the cadence of music on a personal audio device Physics 27 Active
US8744529B2 Enhanced mobile device having multiple housing configurations Electricity 25 Active
US6329877A Efficient power amplifier Electricity 22 Expired
US6597243B1 Distributed amplifier having a tapered transconductance architecture Electricity 16 Expired
US7777689B2 USB device, an attached protective cover therefore including an antenna and a method of wirelessly transmitting data Electricity 15 Active
US7505495B2 Optical assembly comprising multiple semiconductor optical devices and an active cooling device Electricity 14 Expired
US7248108B2 Power amplifier employing thin film ferroelectric phase shift element Electricity 13 Expired
US8456230B2 Adaptive filter with coefficient determination based on output of real time clock Electricity 13 Active
US8260323B1 Utilization of existing network infrastructure to provide person tracking capabilities Electricity 13 Active
US6313999A Self alignment device for ball grid array devices Emerging Cross-Sectional Technologies 12 Expired
US8374661B2 Recessible integrated pocket clip for mobile devices and the like Electricity 10 Active
US6140886A Wideband balun for wireless and RF application Electricity 9 Expired
US8817189B2 Digital television with improved input selection functionality Electricity 8 Active
US7995713B2 Voice-identification-based signal processing for multiple-talker applications Electricity 7 Active
US5565823A Voltage controlled attenuator using PN diodes Electricity 7 Expired
US8886166B2 System to identify whether a text message is from a trusted source Electricity 5 Active
US6011432A Continuous tuning of switched capacitor circuits using DC-isolated tuning elements Electricity 4 Expired
US7963046B2 Auto-calculated length determination and display Physics 3 Active
US7948914B2 Power learning security in wireless routers Electricity 3 Active
US7724023B1 Circuit apparatus including removable bond pad extension Electricity 3 Active
US6068130A Device and method for protecting electronic component Electricity 3 Expired
US8831537B2 Transitory touchscreen antenna structure Electricity 2 Active
US8427589B2 Audible state indication for a television receiver Electricity 2 Active
US7561137B2 Comparator-based drivers for LCD displays and the like Physics 2 Active

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