Inventor
Ketao Liu
Inventor
Cerritos, CA, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B64Gprimary
B64GCosmonautics29%
G01BMeasuring length, thickness or similar linear dimensions14%
G01SRadio direction-finding14%
H01QAntennas, i.e. radio aerials11%
G01DMeasuring not specially adapted for a specific variable7%
H04BTransmission7%
E04HBuildings or like structures for particular purposes4%
F16CShafts4%
G01CMeasuring distances, levels or bearings4%
H04LTransmission of digital information, e.g. telegraphic communication4%
PatentTitleYear
11,028,878Bearing structural member, support, joint assembly and tube section assembly20218,355,635'Gyro-aided pointing control for laser communications'20138,213,803'Method and system for laser based communication'20128,186,626'GPS based orbit determination of a spacecraft in the presence of thruster maneuvers'20128,184,555'SpaceWire network management'20128,000,896'Scale factor calibration and compensation for angular position resolver'20117,877,173'Method and apparatus for determining a satellite attitude using crosslink reference signals'20117,787,134'Multiple fanned laser beam metrology system'20107,561,968'Scale factor calibration and compensation for angular position resolver'20097,547,870'Precision spacecraft payload platforms'20097,450,251'Fanned laser beam metrology system'20087,437,224'Target acquisition control for spacecraft gimballed payload'20087,437,222'Gimbal disturbance calibration and compenstion'20087,414,576'Precision RF antenna pointing'20087,258,306'Thermal deformation determination for payload pointing using space-based beacon'20077,242,483'Smart spacecraft structures based on laser metrology'20077,134,630'Thermal deformation determination for payload pointing using space-based beacon'20066,921,048'Method and apparatus for minimizing solar array sun tracking disturbance by north and south solar array wing cancellation'20056,825,806'Satellite methods and structures for improved antenna pointing and wide field-of-view attitude acquisition'20046,771,217'Phased array pointing determination using inverse pseudo-beacon'20046,339,734'Method and apparatus for reducing spacecraft instrument induced jitter via multifrequency cancellation'20026,318,675'Solar wing thermal shock compensation using solar wing position actuator'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2002Patents assigned to HUGHES ELECTRONICS CORP (2)· patent assignee history
2001–2013Based in Cerritos, CA, US· patent location history
2004–2013Patents assigned to BOEING CO (19)· patent assignee history
2012–2013Patents assigned to LIU KETAO (4)· patent assignee history
2012–2013Patents assigned to WANG QINGHONG W (2)· patent assignee history
2021Patents assigned to CCCC HIGHWAY CONSULTANTS CO (1)· patent assignee history
2021Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOEING CO | 19 | 2004–2013 |
| LIU KETAOself | 4 | 2012–2013 |
| HUGHES ELECTRONICS CORP | 2 | 2001–2002 |
| WANG QINGHONG W | 2 | 2012–2013 |
| CCCC HIGHWAY CONSULTANTS CO | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cerritos, California, US | 21 | 2001–2013 |
| Beijing, CN | 1 | 2021 |