Inventor · disambiguated record
David Harnishfeger
Also filed as: HARNISHFEGER DAVID · HARNISHFEGER DAVID B
17 granted patents·147 citations·filing 1987–2014
92Inventor score
Files withINTEL IP CORP9MOTOROLA INC4HARNISHFEGER DAVID2FREESCALE SEMICONDUCTOR INC1SCHWARTZ DANIEL B1
Top patents by PatentIndex Score
17 records- 0185US8922253B2Hybrid phase-locked loopsINTEL IP CORP·Filed 2013·Granted Dec 30, 2014·8 cites·20 claims
- 0284US9470585B2Calibrated temperature measurement systemINTEL IP CORP·Filed 2013·Granted Oct 18, 2016·6 cites·12 claims
- 0383US8872558B1Hybrid phase-locked loopsINTEL IP CORP·Filed 2013·Granted Oct 28, 2014·7 cites·7 claims
- 0483US6774732B1System and method for coarse tuning a phase locked loop (PLL) synthesizer using 2-PI slip detectionMOTOROLA INC·Filed 2003·Granted Aug 10, 2004·30 cites·20 claims
- 0582US8433255B2System and method for reducing temperature-dependent and process-dependent frequency variation of a crystal oscillator circuitHARNISHFEGER DAVID·Filed 2011·Granted Apr 30, 2013·8 cites·20 claims
- 0681US8934504B2System and method for frequency-agile transmission in a wireless communication deviceSCHWARTZ DANIEL B·Filed 2011·Granted Jan 13, 2015·9 cites·12 claims
- 0779US9488529B2Temperature measurement systemINTEL IP CORP·Filed 2013·Granted Nov 8, 2016·5 cites·6 claims
- 0878US5491434ACircuit and method of differential amplitude detectionMOTOROLA INC·Filed 1994·Granted Feb 13, 1996·54 cites·19 claims
- 0969US8885788B1Reducing settling time in phase-locked loopsINTEL IP CORP·Filed 2013·Granted Nov 11, 2014·3 cites·20 claims
- 1052US9106327B2System and method for correcting integral nonlinearity in an oscillator systemINTEL IP CORP·Filed 2014·Granted Aug 11, 2015·0 cites·10 claims
- 1151US6987423B2Two port voltage controlled oscillator for use in wireless personal area network synthesizersFREESCALE SEMICONDUCTOR INC·Filed 2003·Granted Jan 17, 2006·4 cites·21 claims
- 1249US9055594B2Reducing transmission signal artifact spacingINTEL IP CORP·Filed 2013·Granted Jun 9, 2015·0 cites·20 claims
- 1348US9322719B2Input stage for temperature measurement systemINTEL IP CORP·Filed 2013·Granted Apr 26, 2016·0 cites·19 claims
- 1446US4814635AVoltage translator circuitMOTOROLA INC·Filed 1987·Granted Mar 21, 1989·7 cites·13 claims
- 1545US8855579B2System and method for correcting integral nonlinearity in an oscillator systemHARNISHFEGER DAVID·Filed 2012·Granted Oct 7, 2014·0 cites·12 claims
- 1633US9490825B2Adjusting tuning segments in a digitally-controlled oscillatorINTEL IP CORP·Filed 2013·Granted Nov 8, 2016·0 cites·9 claims
- 1732US5015892AAsynchronous delay circuitMOTOROLA INC·Filed 1990·Granted May 14, 1991·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →