Inventor
RAMANUJAM PARTHASARATHY
US29 patents
⚠️ This page may combine multiple inventors who share the name “RAMANUJAM PARTHASARATHY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUGHES ELECTRONICS CORP
13 patentsUS6366256B1Apr 2, 2002
Multi-beam reflector antenna system with a simple beamforming network
HUGHES ELECTRONICS CORP66 citations95
US6388634B1May 14, 2002
Multi-beam antenna communication system and method
HUGHES ELECTRONICS CORP51 citations93
US6429823B1Aug 6, 2002
Horn reflect array
HUGHES ELECTRONICS CORP33 citations91
US6323817B1Nov 27, 2001
Antenna cluster configuration for wide-angle coverage
HUGHES ELECTRONICS CORP26 citations91
US6166610ADec 26, 2000
Integrated reconfigurable polarizer
HUGHES ELECTRONICS CORP20 citations91
US6031502AFeb 29, 2000
On-orbit reconfigurability of a shaped reflector with feed/reflector defocusing and reflector gimballing
HUGHES ELECTRONICS CORP34 citations90
US6094175AJul 25, 2000
Omni directional antenna
HUGHES ELECTRONICS CORP26 citations88
US6266024B1Jul 24, 2001
Rotatable and scannable reconfigurable shaped reflector with a movable feed system
HUGHES ELECTRONICS CORP16 citations81
US6438354B2Aug 20, 2002
Reconfigurable satellite and antenna coverage communications backup capabilities
HUGHES ELECTRONICS CORP17 citations76
US6052095AApr 18, 2000
Dual gridded reflector antenna
HUGHES ELECTRONICS CORP10 citations71
US6225964B1May 1, 2001
Dual gridded reflector antenna system
HUGHES ELECTRONICS CORP12 citations69
US6150990ANov 21, 2000
Method for reducing cross-polar degradation in multi-feed dual offset reflector antennas
HUGHES ELECTRONICS CORP4 citations61
US6621461B1Sep 16, 2003
Gridded reflector antenna
HUGHES ELECTRONICS CORP6 citations59
BOEING CO
5 patentsUS9537212B2Jan 3, 2017
Antenna array system for producing dual circular polarization signals utilizing a meandering waveguide
BOEING CO27 citations90
US6795034B2Sep 21, 2004
Gregorian antenna system for shaped beam and multiple frequency use
BOEING CO24 citations89
US6366257B1Apr 2, 2002
Integrated dual beam reflector antenna
BOEING CO8 citations70
US10122085B2Nov 6, 2018
Feed re-pointing technique for multiple shaped beams reflector antennas
BOEING CO6 citations69
US10128570B2Nov 13, 2018
System and method for wireless communications using an adaptable diamond phased array antenna system
BOEING CO0 citations52
HUGHES AIRCRAFT CO
4 patentsUS5625624AApr 29, 1997
High data rate satellite communication system
HUGHES AIRCRAFT CO132 citations96
US5673056ASep 30, 1997
Identical surface shaped reflectors in semi-tandem arrangement
HUGHES AIRCRAFT CO26 citations89
US5546097AAug 13, 1996
Shaped dual reflector antenna system for generating a plurality of beam coverages
HUGHES AIRCRAFT CO27 citations83
US5402137AMar 28, 1995
Equalized shaped reflector antenna system and technique for equalizing same
HUGHES AIRCRAFT CO14 citations73