Inventor · disambiguated record
David M. Upton
Also filed as: UPTON DAVID J · UPTON DAVID M
5 granted patents·1 pending application·364 citations·filing 1992–2013
85Inventor score
Top patents by PatentIndex Score
6 records- 0197US5420541AMicrowave doherty amplifierRAYTHEON CO·Filed 1993·Granted May 30, 1995·192 cites·64 claims
- 0290US5568086ALinear power amplifier for high efficiency multi-carrier performanceMOTOROLA INC·Filed 1995·Granted Oct 22, 1996·105 cites·20 claims
- 0386US9083351B1Phase lock loop with tracking filter for attenuating spurious signals of a swept local oscillatorRAYTHEON CO·Filed 2013·Granted Jul 14, 2015·16 cites·16 claims
- 0478US5270667AImpedance matching and bias feed networkRAYTHEON CO·Filed 1992·Granted Dec 14, 1993·31 cites·10 claims
- 0548US5289142ATransmit/receive switch for phased array antennaRAYTHEON CO·Filed 1992·Granted Feb 22, 1994·20 cites·15 claims
- 0642US2005132473A1HeadgearFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →