DH

Douglas H. Hein

HL Hughes Electronics Limited: 6 patents #74 of 1,474Top 6%
TB The Boeing: 1 patents #8,242 of 15,756Top 55%
📍 Los Angeles, CA: #1,800 of 12,377 inventorsTop 15%
🗺 California: #82,707 of 386,348 inventorsTop 25%
Overall (All Time): #746,306 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8186626 GPS based orbit determination of a spacecraft in the presence of thruster maneuvers Ketao Liu, Qinghong W. Wang 2012-05-29
6691033 System and method for calibrating inter-star-tracker misalignments in a stellar inertial attitude determination system Rongsheng Li, Yeong-Wei A. Wu 2004-02-10
6441776 Method and apparatus for spacecraft payload pointing registration Rongsheng Li 2002-08-27
6272432 System and method for correcting star tracker low spatial frequency error in stellar-inertial attitude determination systems Rongsheng Li, Yeong-Wei A. Wu, Garry Didinsky 2001-08-07
6236939 Method and apparatus for controlling spacecraft attitude with rotational star trackers Yeong-Wei A. Wu, Garry Didinsky, David L. Augenstein 2001-05-22
6108594 Autonomous attitude acquisition for a stellar inertial attitude determination system Garry Didinsky, Yeong-Wei A. Wu, Rongsheng Li, Arunkumar P. Nayak 2000-08-22
6047226 Enhanced stellar attitude determination system Yeong-Wei A. Wu, Garry Didinsky 2000-04-04