Inventor
SIEVENPIPER DANIEL
US16 patents
⚠️ This page may combine multiple inventors who share the name “SIEVENPIPER DANIEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HRL LAB LLC
14 patentsUS6777244B2Aug 17, 2004
Compact sensor using microcavity structures
HRL LAB LLC164 citations99
US6552696B1Apr 22, 2003
Electronically tunable reflector
HRL LAB LLC197 citations99
US6483481B1Nov 19, 2002
Textured surface having high electromagnetic impedance in multiple frequency bands
HRL LAB LLC181 citations99
US6538621B1Mar 25, 2003
Tunable impedance surface
HRL LAB LLC149 citations98
US6518931B1Feb 11, 2003
Vivaldi cloverleaf antenna
HRL LAB LLC102 citations98
US6384797B1May 7, 2002
Reconfigurable antenna for multiple band, beam-switching operation
HRL LAB LLC85 citations98
US6366254B1Apr 2, 2002
Planar antenna with switched beam diversity for interference reduction in a mobile environment
HRL LAB LLC166 citations98
US6483480B1Nov 19, 2002
Tunable impedance surface
HRL LAB LLC120 citations97
US6426722B1Jul 30, 2002
Polarization converting radio frequency reflecting surface
HRL LAB LLC75 citations96
US6646618B2Nov 11, 2003
Low-profile slot antenna for vehicular communications and methods of making and designing same
HRL LAB LLC47 citations92
US6323826B1Nov 27, 2001
Tunable-impedance spiral
HRL LAB LLC28 citations92
US6496155B1Dec 17, 2002
End-fire antenna or array on surface with tunable impedance
HRL LAB LLC72 citations91
US6812903B1Nov 2, 2004
Radio frequency aperture
HRL LAB LLC43 citations90
US6567057B1May 20, 2003
Hi-Z (photonic band gap isolated) wire
HRL LAB LLC11 citations74