Inventor · disambiguated record
Charles Barker
Also filed as: BARKER CHARLES · BARKER CHARLES R · BARKER CHARLES R III · BARKER III CHARLES
27 granted patents·3 pending applications·968 citations·filing 1977–2012
97Inventor score
Top patents by PatentIndex Score
30 records- 0196US5410448AAdaptive cooling systemDIGITAL EQUIPMENT CORP·Filed 1993·Granted Apr 25, 1995·136 cites·17 claims
- 0292US5175613APackage for EMI, ESD, thermal, and mechanical shock protection of circuit chipsDIGITAL EQUIPMENT CORP·Filed 1991·Granted Dec 29, 1992·145 cites·23 claims
- 0391US8045743B2Seat electroacoustical transducingBOSE CORP·Filed 2009·Granted Oct 25, 2011·22 cites·17 claims
- 0491US7688992B2Seat electroacoustical transducingAYLWARD RICHARD·Filed 2005·Granted Mar 30, 2010·42 cites·20 claims
- 0591US5597034AHigh performance fan heatsink assemblyDIGITAL EQUIPMENT CORP·Filed 1994·Granted Jan 28, 1997·177 cites·4 claims
- 0691US4728160ACabinet for a computer assemblyDIGITAL EQUIPMENT CORP·Filed 1986·Granted Mar 1, 1988·122 cites·45 claims
- 0785US4133975ALoudspeaker system with broad image source with directionality control for the tweeterBOSE CORP·Filed 1977·Granted Jan 9, 1979·50 cites·15 claims
- 0881US9313482B2Forming spectral filtersLIPPEY BARRET·Filed 2011·Granted Apr 12, 2016·4 cites·9 claims
- 0980US4866764ATelephoneBARKER III CHARLES·Filed 1988·Granted Sep 12, 1989·63 cites·5 claims
- 1079US7676047B2Electroacoustical transducing with low frequency augmenting devicesBOSE CORP·Filed 2003·Granted Mar 9, 2010·19 cites·9 claims
- 1176US9014404B2Directional electroacoustical transducingAYLWARD J RICHARD·Filed 2012·Granted Apr 21, 2015·4 cites·19 claims
- 1274US4266092ALoudspeaker system with broad image sourceBOSE PROD INC·Filed 1978·Granted May 5, 1981·39 cites·11 claims
- 1371US4669025ASemiconductor junction temperature emulatorDIGITAL EQUIPMENT CORP·Filed 1986·Granted May 26, 1987·37 cites·10 claims
- 1470US7706689B2Forward baseband digitalizationAURORA NETWORKS INC·Filed 2005·Granted Apr 27, 2010·4 cites·22 claims
- 1569US6816639B1Optically powered and controlled optical switchAURORA NETWORKS·Filed 2002·Granted Nov 9, 2004·11 cites·13 claims
- 1668US8917991B2FTTH RF over glass (RFoG) architecture and CPE with wavelength separatorMYSORE SUDHESH·Filed 2009·Granted Dec 23, 2014·5 cites·4 claims
- 1768US8139797B2Directional electroacoustical transducingAYLWARD J RICHARD·Filed 2003·Granted Mar 20, 2012·11 cites·6 claims
- 1866US8213797B2DWDM transport of CATV and digital signals over optical fiber in low-dispersion spectral regionsMOSTERT WILLEM A·Filed 2007·Granted Jul 3, 2012·5 cites·12 claims
- 1966US6987900B2Optically powered optically controlled optical switchAURORA NETWORKS INC·Filed 2004·Granted Jan 17, 2006·6 cites·5 claims
- 2063US7844182B2Optical network architecture for simultaneous transport of analog video signals and ethernet dataAURORA NETWORKS INC·Filed 2004·Granted Nov 30, 2010·7 cites·18 claims
- 2162US8346081B2Smart RF over glass (RFoG) CPE unit with seamless PON upgrade capabilityAURORA NETWORKS INC·Filed 2009·Granted Jan 1, 2013·2 cites·5 claims
- 2258US7266298B2N-way broadcast/narrowcast optical combiner demultiplexing a multiplexed narrowcast input signalAURORA NETWORKS INC·Filed 2001·Granted Sep 4, 2007·3 cites·24 claims
- 2353US10397558B2Forming spectral filtersLIPPEY BARRET·Filed 2009·Granted Aug 27, 2019·0 cites·14 claims
- 2451US8111991B2N-way broadcast / narrowcast combinerBARKER CHARLES·Filed 2007·Granted Feb 7, 2012·0 cites·6 claims
- 2551US4154979AWoofer efficiencyBOSE CORP·Filed 1977·Granted May 15, 1979·16 cites·8 claims
- 2649US5917923ASatellitic compact electroacoustical transducingBOSE CORP·Filed 1995·Granted Jun 29, 1999·24 cites·26 claims
- 2748US2008273722A1Directionally radiating sound in a vehicleAYLWARD J RICHARD·Filed 2007·Application pending·0 cites
- 2847US2007236809A1Forming spectral filtersLIPPEY BARRET·Filed 2006·Application pending·0 cites
- 2944US2004105550A1Directional electroacoustical transducingFiled 2002·Application pending·0 cites
- 3042US6782111B1Multiple voicecoil and driver transducingBOSE CORP·Filed 1998·Granted Aug 24, 2004·14 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →