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Inventor

Douglas H. Hein

Inventor
Los Angeles, CA, US

Overview

7→
Patents
2000–2012
Patent span
Performing operations
Primary field (CPC B)

Patents· 7 as inventor

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

B64Gprimary
B64GCosmonautics50%
G01CMeasuring distances, levels or bearings29%
G01SRadio direction-finding21%
PatentTitleYear
8,186,626'GPS based orbit determination of a spacecraft in the presence of thruster maneuvers'20126,691,033'System and method for calibrating inter-star-tracker misalignments in a stellar inertial attitude determination system'20046,441,776'Method and apparatus for spacecraft payload pointing registration'20026,272,432'System and method for correcting star tracker low spatial frequency error in stellar-inertial attitude determination systems'20016,236,939'Method and apparatus for controlling spacecraft attitude with rotational star trackers'20016,108,594'Autonomous attitude acquisition for a stellar inertial attitude determination system'20006,047,226'Enhanced stellar attitude determination system'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2004Patents assigned to HUGHES ELECTRONICS CORP (6)· patent assignee history
2000–2012Based in Los Angeles, CA, US· patent location history
2012Patents assigned to BOEING CO (1)· patent assignee history
2012Patents assigned to HEIN DOUGLAS H (1)· patent assignee history
2012Patents assigned to LIU KETAO (1)· patent assignee history
2012Patents assigned to WANG QINGHONG W (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUGHES ELECTRONICS CORP62000–2004
BOEING CO12012
HEIN DOUGLAS Hself12012
LIU KETAO12012
WANG QINGHONG W12012
Locations
LocationPatentsSpan
Los Angeles, California, US72000–2012