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Inventor

Parthasarathy Ramanujam

Inventor
Redondo Beach, CA, US

Overview

29→
Patents
1995–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Qprimary
H01QAntennas, i.e. radio aerials64%
H04BTransmission21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
H01PWaveguides3%
H04WWireless communication networks3%
PatentTitleYear
10,128,570System and method for wireless communications using an adaptable diamond phased array antenna system201810,122,085Feed re-pointing technique for multiple shaped beams reflector antennas20189,537,212'Antenna array system for producing dual circular polarization signals utilizing a meandering waveguide'20178,552,917'Wide angle multibeams'20138,103,270'Fixed cell communication system with reduced interference'20127,369,847'Fixed cell communication system with reduced interference'20086,795,034'Gregorian antenna system for shaped beam and multiple frequency use'20046,781,555'Multi-beam antenna communication system and method'20046,628,238'Sub-reflector for dual-reflector antenna system'20036,621,461'Gridded reflector antenna'20036,438,354'Reconfigurable satellite and antenna coverage communications backup capabilities'20026,429,823'Horn reflect array'20026,388,634'Multi-beam antenna communication system and method'20026,366,257'Integrated dual beam reflector antenna'20026,366,256'Multi-beam reflector antenna system with a simple beamforming network'20026,323,817'Antenna cluster configuration for wide-angle coverage'20016,266,024'Rotatable and scannable reconfigurable shaped reflector with a movable feed system'20016,225,964'Dual gridded reflector antenna system'20016,166,610'Integrated reconfigurable polarizer'20006,150,990'Method for reducing cross-polar degradation in multi-feed dual offset reflector antennas'20006,094,175'Omni directional antenna'20006,052,095'Dual gridded reflector antenna'20006,031,502'On-orbit reconfigurability of a shaped reflector with feed/reflector defocusing and reflector gimballing'20005,936,588'Reconfigurable multiple beam satellite phased array antenna'19995,936,592'Reconfigurable multiple beam satellite reflector antenna with an array feed'19995,673,056'Identical surface shaped reflectors in semi-tandem arrangement'19975,625,624'High data rate satellite communication system'19975,546,097'Shaped dual reflector antenna system for generating a plurality of beam coverages'19965,402,137'Equalized shaped reflector antenna system and technique for equalizing same'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1997Patents assigned to HUGHES AIRCRAFT CO (4)· patent assignee history
1995–2018Based in Redondo Beach, CA, US· patent location history
2000–2003Patents assigned to HUGHES ELECTRONICS CORP (13)· patent assignee history
2002–2018Patents assigned to BOEING CO (6)· patent assignee history
2004–2012Patents assigned to DIRECTV GROUP INC (3)· patent assignee history
2004–2017Based in Torrance, CA, US· patent location history
2012–2013Patents assigned to RAMANUJAM PARTHASARATHY (2)· patent assignee history
2018Based in Chicago, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUGHES ELECTRONICS CORP132000–2003
BOEING CO62002–2018
HUGHES AIRCRAFT CO41995–1997
DIRECTV GROUP INC32004–2012
RAMANUJAM PARTHASARATHYself22012–2013
Locations
LocationPatentsSpan
Redondo Beach, California, US251995–2018
Torrance, California, US32004–2017
Chicago, Illinois, US12018