Inventor · Fairfax, VA, US

Patrick J. Doran

19Patents
8h-index
23Co-inventors
64Inventor score

Filing activity: Jul 31, 1995 → Jun 30, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6122531A Method for selectively including leading fricative sounds in a portable communication device operated in a speakerphone mode Electricity 26 Expired
US6223154A Using vocoded parameters in a staggered average to provide speakerphone operation based on enhanced speech activity thresholds Electricity 25 Expired
US6741873B1 Background noise adaptable speaker phone for use in a mobile communication device Electricity 23 Expired
US5771440A Communication device with dynamic echo suppression and background noise estimation Electricity 17 Expired
US6157844A Method and apparatus for selecting a communication mode in a mobile communication device having voice recognition capability Electricity 17 Expired
US5684811A Method and apparatus for decoding convolutionally encoded information Electricity 16 Expired
US5928377A Method and apparatus for data transmission through manipulation of encoding formats Electricity 9 Expired
US6043443A Fabrication of semiconductor devices Emerging Cross-Sectional Technologies 8 Expired
US5911124A Method and apparatus for applying echo mitigation in a communication device Electricity 8 Expired
US6487181B1 Method and apparatus for transmitting and receiving information in a time slot Electricity 6 Expired
US6240398A Product classification process for optical subassemblies Physics 6 Expired
US5615412A Digital squelch tail system and method for same Electricity 6 Expired
US6301517A Automated test position monitoring and notification system Physics 5 Expired
US6157906A Method for detecting speech in a vocoded signal Physics 3 Expired
US7383175B2 Pitch adaptive equalization for improved audio Physics 2 Expired
US6965594B2 Internet assisted mobile calling Electricity 2 Expired
US7418040B2 Method and apparatus for determining a timing offset for processing a multi-carrier signal Electricity 2 Expired
US7187767B2 Communication device with dual-mode muting and method therefor Electricity 2 Expired
US7313188B2 Subcarrier time offsets for improved peak-to-average power of a transmitter Electricity 0 Expired

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