Inventor · disambiguated record
David R. Helms
Also filed as: HELMS DAVID · HELMS DAVID R · HELMS DAVID RICHARD
18 granted patents·405 citations·filing 1989–2016
95Inventor score
Top patents by PatentIndex Score
18 records- 0191US5049841AElectronically reconfigurable digital pad attenuator using segmented field effect transistorsGEN ELECTRIC·Filed 1990·Granted Sep 17, 1991·121 cites·17 claims
- 0285US8918068B1Wide bandwidth RF power limiterHELMS DAVID R·Filed 2012·Granted Dec 23, 2014·9 cites·15 claims
- 0382US6917243B2Integrated power amplifier circuitSIGE SEMICONDUCTOR INC·Filed 2003·Granted Jul 12, 2005·33 cites·37 claims
- 0482US6825725B1Integrated power amplifier circuitSIGE SEMICONDUCTOR INC·Filed 2003·Granted Nov 30, 2004·32 cites·46 claims
- 0582US5491450ALow power consumption process-insensitive feedback amplifierMARTIN MARIETTA CORP·Filed 1993·Granted Feb 13, 1996·39 cites·14 claims
- 0678US6448858B1Mask layout for sidefed RF power amplifierIBM·Filed 2000·Granted Sep 10, 2002·28 cites·11 claims
- 0777US6822511B1Integrated power amplifier circuitSIGE SEMICONDUCTOR INC·Filed 2003·Granted Nov 23, 2004·25 cites·75 claims
- 0875US9819316B2Apparatus and method for gallium nitride (GaN) amplifiersLOCKHEED CORP·Filed 2016·Granted Nov 14, 2017·2 cites·17 claims
- 0972US8963645B1Integrated-circuit amplifier with low temperature riseLOCKHEED CORP·Filed 2012·Granted Feb 24, 2015·3 cites·19 claims
- 1072US6882220B2Integrated power amplifier circuitSIGE SEMICONDUCTOR INC·Filed 2003·Granted Apr 19, 2005·20 cites·49 claims
- 1172US6259324B1Active bias network circuit for radio frequency amplifierIBM·Filed 2000·Granted Jul 10, 2001·18 cites·10 claims
- 1270US5969575AClass A/F amplifier having second and third order harmonic input and output filtering and self bias distortion correctionCIT ALCATEL·Filed 1997·Granted Oct 19, 1999·29 cites·25 claims
- 1369US8466747B1Integrated-circuit amplifier with low temperature riseHELMS DAVID R·Filed 2011·Granted Jun 18, 2013·3 cites·11 claims
- 1469US7205836B2SiGe differential cascode amplifier with miller effect resonatorMA COM INC·Filed 2005·Granted Apr 17, 2007·9 cites·20 claims
- 1568US4947136AVariable gain distributed amplifierGEN ELECTRIC·Filed 1989·Granted Aug 7, 1990·25 cites·8 claims
- 1658US9219450B1High linearity low noise amplifierLOCKHEED CORP·Filed 2014·Granted Dec 22, 2015·2 cites·17 claims
- 1756US9240756B1High linearity, high efficiency, low noise, gain block using cascode networkLOCKHEED CORP·Filed 2013·Granted Jan 19, 2016·3 cites·8 claims
- 1843US6373339B2Active bias network circuit for radio frequency amplifierIBM·Filed 2001·Granted Apr 16, 2002·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →