DS

Daniel F. Sievenpiper

HL Hrl Laboratories: 62 patents #12 of 709Top 2%
General Motors: 12 patents #1,243 of 18,328Top 7%
RTX (Raytheon): 8 patents #1,453 of 15,912Top 10%
TB The Boeing: 1 patents #8,242 of 15,756Top 55%
📍 San Diego, CA: #340 of 23,606 inventorsTop 2%
🗺 California: #3,255 of 386,348 inventorsTop 1%
Overall (All Time): #21,656 of 4,157,543Top 1%
82
Patents All Time

Issued Patents All Time

Showing 51–75 of 82 patents

Patent #TitleCo-InventorsDate
7091457 Meta-surface waveguide for uniform microwave heating Daniel J. Gregoire, Weldon S. Williamson 2006-08-15
7071888 Steerable leaky wave antenna capable of both forward and backward radiation 2006-07-04
7068234 Meta-element antenna and array 2006-06-27
7050003 Low-profile antenna 2006-05-23
7042403 Dual band, low profile omnidirectional antenna Joseph S. Colburn 2006-05-09
6989785 Low-profile, multi-band antenna module Gregory L. Tangonan, Hui-Pin Hsu, Robert M. Riley, Jr., Gary J. Hanselman 2006-01-24
6982676 Plano-convex rotman lenses, an ultra wideband array employing a hybrid long slot aperture and a quasi-optic beam former James H. Schaffner 2006-01-03
6952184 Circularly polarized antenna having improved axial ratio James H. Schaffner, Julio A. Navarro 2005-10-04
6952190 Low profile slot antenna using backside fed frequency selective surface Jonathan J. Lynch 2005-10-04
6911952 Crossed-slot antenna for mobile satellite and terrestrial radio reception Hui-Pin Hsu 2005-06-28
6867741 Antenna system and RF signal interference abatement method James H. Schaffner, Jonathan J. Lynch 2005-03-15
6864848 RF MEMs-tuned slot antenna and a method of making same 2005-03-08
6853339 Low-profile, multi-antenna module, and method of integration into a vehicle Hui-Pin Hsu, James H. Schaffner, Gregory L. Tangonan 2005-02-08
6812903 Radio frequency aperture Robin J. Harvey 2004-11-02
6777244 Compact sensor using microcavity structures David M. Pepper 2004-08-17
6739028 Molded high impedance surface and a method of making same Joseph L. Pikulski, James H. Schaffner, Tsung-Yuan Hsu 2004-05-25
6670921 Low-cost HDMI-D packaging technique for integrating an efficient reconfigurable antenna array with RF MEMS switches and a high impedance surface Adele Schmitz, James H. Schaffner, Gregory L. Tangonan, Tsung-Yuan Hsu, Robert Y. Loo +1 more 2003-12-30
6646618 Low-profile slot antenna for vehicular communications and methods of making and designing same 2003-11-11
6567057 Hi-Z (photonic band gap isolated) wire Robin J. Harvey 2003-05-20
6552696 Electronically tunable reflector Tsung-Yuan Hsu, Shin-Tson Wu, David M. Pepper 2003-04-22
6545647 Antenna system for communicating simultaneously with a satellite and a terrestrial system Hui-Pin Hsu, James H. Schaffner, Gregory L. Tangonan 2003-04-08
6538621 Tunable impedance surface Robin J. Harvey, Greg Tangonan, Robert Y. Loo, James H. Schaffner 2003-03-25
6518931 Vivaldi cloverleaf antenna 2003-02-11
6496155 End-fire antenna or array on surface with tunable impedance Jar J. Lee, Stan W. Livingston 2002-12-17
6483481 Textured surface having high electromagnetic impedance in multiple frequency bands James H. Schaffner 2002-11-19