David Y. Hsu

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Agoura, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Passive determination of ground target location
- Patent number 7,359,038
- Issue date Apr 15, 2008
- Patrick J. Donoghue
- G01 - MEASURING TESTING
Information Patent Grant
Projectile guidance with accelerometers and a GPS receiver
- Patent number 6,573,486
- Issue date Jun 3, 2003
- Northrop Grumman Corporation
- Joseph A. Ratkovic
- F41 - WEAPONS
Information Patent Grant
Gravity vector compensation system
- Patent number 6,249,745
- Issue date Jun 19, 2001
- Litton Systems, Inc.
- David Y. Hsu
- G01 - MEASURING TESTING
Information Patent Grant
Method for determining gravity in an inertial navigation system
- Patent number 6,073,077
- Issue date Jun 6, 2000
- Litton Systems Inc.
- David Y. Hsu
- G01 - MEASURING TESTING
Information Patent Grant
Navagation apparatus with improved attitude determination
- Patent number 5,543,804
- Issue date Aug 6, 1996
- Litton Systems, Inc.
- Robert J. Buchler
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PASSIVE DETERMINATION OF GROUND TARGET LOCATION
- Publication number 20080074639
- Publication date Mar 27, 2008
- Patrick J. Donoghue
- G01 - MEASURING TESTING