Inventor · disambiguated record
Joel D. Birkeland
Also filed as: BIRKELAND JOEL D · BIRKELAND JOEL DAVID
9 granted patents·1 pending application·156 citations·filing 1993–2014
88Inventor score
Files withMAXIM INTEGRATED PRODUCTS3MEYER ROBERT G2MOTOROLA INC2BIRKELAND JOEL D1MAXIM INTERGRATED PRODUCTS INC1
Top patents by PatentIndex Score
10 records- 0189US7095454B2Broadband single conversion tuner integrated circuitsMAXIM INTEGRATED PRODUCTS·Filed 2003·Granted Aug 22, 2006·44 cites·47 claims
- 0284US5506544ABias circuit for depletion mode field effect transistorsMOTOROLA INC·Filed 1995·Granted Apr 9, 1996·56 cites·19 claims
- 0374US9231538B1Energy efficient, low distortion amplification apparatusMAXIM INTERGRATED PRODUCTS INC·Filed 2013·Granted Jan 5, 2016·5 cites·8 claims
- 0472US8736344B1Voltage controlled variable attenuatorBIRKELAND JOEL D·Filed 2012·Granted May 27, 2014·5 cites·12 claims
- 0570US8390359B2Low distortion MOS attenuatorMEYER ROBERT G·Filed 2010·Granted Mar 5, 2013·3 cites·16 claims
- 0666US5994955ADriver amplifiers with low noise standby mode characteristicsMAXIM INTEGRATED PRODUCTS·Filed 1998·Granted Nov 30, 1999·26 cites·30 claims
- 0754US5325000AFrequency mixing circuit with impedance transforming power combinerMOTOROLA INC·Filed 1993·Granted Jun 28, 1994·17 cites·15 claims
- 0852US8878588B2Low distortion MOS attenuatorMAXIM INTEGRATED PRODUCTS·Filed 2014·Granted Nov 4, 2014·0 cites·9 claims
- 0947US8686780B2Low distortion MOS attenuatorMEYER ROBERT G·Filed 2013·Granted Apr 1, 2014·0 cites·20 claims
- 1036US2005040909A1Broadband integrated digitally tunable filtersFiled 2003·Application pending·0 cites
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