Inventor · disambiguated record
Daniel F. Sievenpiper
Also filed as: SIEVENPIPER DANIEL · SIEVENPIPER DANIEL F · SIEVENPIPER DANIEL FREDERIC
82 granted patents·6 pending applications·5,257 citations·filing 2000–2024
99Inventor score
Files withHRL LAB LLC58GEN MOTORS CORP6GM GLOBAL TECH OPERATIONS INC6SIEVENPIPER DANIEL F5RAYTHEON CO4
Top patents by PatentIndex Score
88 records- 0199US7835600B1Microwave receiver front-end assembly and arrayHRL LAB LLC·Filed 2008·Granted Nov 16, 2010·251 cites·26 claims
- 0299US7068234B2Meta-element antenna and arrayHRL LAB LLC·Filed 2004·Granted Jun 27, 2006·459 cites·23 claims
- 0399US7042403B2Dual band, low profile omnidirectional antennaGEN MOTORS CORP·Filed 2004·Granted May 9, 2006·269 cites·22 claims
- 0498US7583074B1Low cost millimeter wave imagerHRL LAB LLC·Filed 2005·Granted Sep 1, 2009·249 cites·10 claims
- 0598US7307589B1Large-scale adaptive surface sensor arraysHRL LAB LLC·Filed 2005·Granted Dec 11, 2007·158 cites·18 claims
- 0698US7276990B2Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the sameHRL LAB LLC·Filed 2003·Granted Oct 2, 2007·226 cites·31 claims
- 0798US7253780B2Steerable leaky wave antenna capable of both forward and backward radiationHRL LAB LLC·Filed 2006·Granted Aug 7, 2007·107 cites·16 claims
- 0898US7151508B2Antenna system and RF signal interference abatement methodHRL LAB LLC·Filed 2004·Granted Dec 19, 2006·142 cites·10 claims
- 0998US6777244B2Compact sensor using microcavity structuresHRL LAB LLC·Filed 2000·Granted Aug 17, 2004·164 cites·59 claims
- 1098US6670921B2Low-cost HDMI-D packaging technique for integrating an efficient reconfigurable antenna array with RF MEMS switches and a high impedance surfaceHRL LAB LLC·Filed 2001·Granted Dec 30, 2003·193 cites·20 claims
- 1197US8339320B2Tunable frequency selective surfaceSIEVENPIPER DANIEL F·Filed 2011·Granted Dec 25, 2012·32 cites·13 claims
- 1297US6864848B2RF MEMs-tuned slot antenna and a method of making sameHRL LAB LLC·Filed 2002·Granted Mar 8, 2005·151 cites·32 claims
- 1397US6552696B1Electronically tunable reflectorHRL LAB LLC·Filed 2000·Granted Apr 22, 2003·197 cites·28 claims
- 1497US6483480B1Tunable impedance surfaceHRL LAB LLC·Filed 2000·Granted Nov 19, 2002·120 cites·26 claims
- 1597US6483481B1Textured surface having high electromagnetic impedance in multiple frequency bandsHRL LAB LLC·Filed 2000·Granted Nov 19, 2002·181 cites·46 claims
- 1696US7456803B1Large aperture rectenna based on planar lens structuresHRL LAB LLC·Filed 2006·Granted Nov 25, 2008·55 cites·13 claims
- 1796US7233296B2Transparent thin film antennaGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jun 19, 2007·49 cites·13 claims
- 1896US6538621B1Tunable impedance surfaceHRL LAB LLC·Filed 2000·Granted Mar 25, 2003·149 cites·34 claims
- 1995US11546022B2Virtual MIMO with smart surfacesUNIV CALIFORNIA·Filed 2021·Granted Jan 3, 2023·8 cites·15 claims
- 2095US8179331B1Free-space phase shifter having series coupled inductive-variable capacitance devicesSIEVENPIPER DANIEL FREDERIC·Filed 2010·Granted May 15, 2012·49 cites·10 claims
- 2195US7911407B1Method for designing artificial surface impedance structures characterized by an impedance tensor with complex componentsHRL LAB LLC·Filed 2008·Granted Mar 22, 2011·66 cites·15 claims
- 2295US7429961B2Method for fabricating antenna structures having adjustable radiation characteristicsGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Sep 30, 2008·48 cites·18 claims
- 2395US7298228B2Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the sameHRL LAB LLC·Filed 2003·Granted Nov 20, 2007·48 cites·39 claims
- 2495US6366254B1Planar antenna with switched beam diversity for interference reduction in a mobile environmentHRL LAB LLC·Filed 2000·Granted Apr 2, 2002·166 cites·51 claims
- 2594US7868829B1ReflectarrayHRL LAB LLC·Filed 2008·Granted Jan 11, 2011·43 cites·27 claims
- 2694US7719477B1Free-space phase shifter having one or more columns of phase shift devicesHRL LAB LLC·Filed 2007·Granted May 18, 2010·20 cites·30 claims
- 2794US7164387B2Compact tunable antennaHRL LAB LLC·Filed 2004·Granted Jan 16, 2007·91 cites·45 claims
- 2894US7154451B1Large aperture rectenna based on planar lens structuresHRL LAB LLC·Filed 2004·Granted Dec 26, 2006·89 cites·24 claims
- 2994US7071888B2Steerable leaky wave antenna capable of both forward and backward radiationHRL LAB LLC·Filed 2004·Granted Jul 4, 2006·82 cites·16 claims
- 3094US6545647B1Antenna system for communicating simultaneously with a satellite and a terrestrial systemHRL LAB LLC·Filed 2001·Granted Apr 8, 2003·100 cites·37 claims
- 3194US6518931B1Vivaldi cloverleaf antennaHRL LAB LLC·Filed 2000·Granted Feb 11, 2003·102 cites·63 claims
- 3293US7830310B1Artificial impedance structureHRL LAB LLC·Filed 2005·Granted Nov 9, 2010·51 cites·32 claims
- 3393US6384797B1Reconfigurable antenna for multiple band, beam-switching operationHRL LAB LLC·Filed 2000·Granted May 7, 2002·85 cites·43 claims
- 3492US8212739B2Multiband tunable impedance surfaceSIEVENPIPER DANIEL F·Filed 2007·Granted Jul 3, 2012·35 cites·22 claims
- 3592US7795859B1Low cost millimeter wave imagerHRL LAB LLC·Filed 2009·Granted Sep 14, 2010·25 cites·13 claims
- 3692US7639207B2Antenna structures having adjustable radiation characteristicsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Dec 29, 2009·26 cites·1 claims
- 3792US7427961B2Method for improving the efficiency of transparent thin film antennas and antennas made by such methodGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Sep 23, 2008·24 cites·11 claims
- 3892US7245269B2Adaptive beam forming antenna system using a tunable impedance surfaceHRL LAB LLC·Filed 2004·Granted Jul 17, 2007·83 cites·24 claims
- 3992US6426722B1Polarization converting radio frequency reflecting surfaceHRL LAB LLC·Filed 2000·Granted Jul 30, 2002·75 cites·51 claims
- 4091US6496155B1End-fire antenna or array on surface with tunable impedanceHRL LAB LLC·Filed 2000·Granted Dec 17, 2002·72 cites·68 claims
- 4190US7929147B1Method and system for determining an optimized artificial impedance surfaceHRL LAB LLC·Filed 2008·Granted Apr 19, 2011·29 cites·11 claims
- 4290US6739028B2Molded high impedance surface and a method of making sameHRL LAB LLC·Filed 2001·Granted May 25, 2004·44 cites·22 claims
- 4389US8134521B2Electronically tunable microwave reflectorHERZ PAUL R·Filed 2007·Granted Mar 13, 2012·38 cites·15 claims
- 4489US7242518B1Standing wave amplifiers and oscillatorsHRL LAB LLC·Filed 2006·Granted Jul 10, 2007·18 cites·12 claims
- 4588US8853528B2Radio frequency transparent photovoltaic cellSIEVENPIPER DANIEL F·Filed 2010·Granted Oct 7, 2014·6 cites·14 claims
- 4688US7173565B2Tunable frequency selective surfaceHRL LAB LLC·Filed 2004·Granted Feb 6, 2007·39 cites·39 claims
- 4788US6441792B1Low-profile, multi-antenna module, and method of integration into a vehicleHRL LAB LLC·Filed 2001·Granted Aug 27, 2002·46 cites·21 claims
- 4887US8098187B1Wide field of view millimeter wave imagerLYNCH JONATHAN J·Filed 2010·Granted Jan 17, 2012·9 cites·8 claims
- 4986US7218281B2Artificial impedance structureHRL LAB LLC·Filed 2005·Granted May 15, 2007·19 cites·13 claims
- 5086US6646618B2Low-profile slot antenna for vehicular communications and methods of making and designing sameHRL LAB LLC·Filed 2001·Granted Nov 11, 2003·47 cites·64 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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