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 76–82 of 82 patents

Patent #TitleCo-InventorsDate
6483480 Tunable impedance surface Greg Tangonan, Robert Y. Loo, James H. Schaffner 2002-11-19
6441792 Low-profile, multi-antenna module, and method of integration into a vehicle Hui-Pin Hsu, James H. Schaffner, Gregory L. Tangonan 2002-08-27
6433756 Method of providing increased low-angle radiation sensitivity in an antenna and an antenna having increased low-angle radiation sensitivity James H. Schaffner, Hui-Pin Hsu, Gregory L. Tangonan 2002-08-13
6426722 Polarization converting radio frequency reflecting surface Hui-Pin Hsu 2002-07-30
6384797 Reconfigurable antenna for multiple band, beam-switching operation James H. Schaffner, Jonathan J. Lynch, Robert Y. Loo, Pyong K. Park 2002-05-07
6366254 Planar antenna with switched beam diversity for interference reduction in a mobile environment Hui-Pin Hsu, Greg Tangonan 2002-04-02
6323826 Tunable-impedance spiral Robin J. Harvey 2001-11-27