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Yang Yunchun
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Harbor City, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
GPS navigation using successive differences of carrier-phase measur...
Patent number
7,212,155
Issue date
May 1, 2007
Navcom Technology, Inc.
Ronald R. Hatch
G01 - MEASURING TESTING
Information
Patent Grant
Method for combined use of a local RTK system and a regional, wide-...
Patent number
7,119,741
Issue date
Oct 10, 2006
Navcom Technology, Inc.
Richard T. Sharpe
G01 - MEASURING TESTING
Information
Patent Grant
Method for combined use of local positioning system and a global po...
Patent number
7,071,870
Issue date
Jul 4, 2006
Navcom Technology, Inc.
Richard T. Sharpe
G01 - MEASURING TESTING
Information
Patent Grant
Method for receiver autonomous integrity monitoring and fault detec...
Patent number
6,864,836
Issue date
Mar 8, 2005
Navcom Technology, Inc.
Ronald R. Hatch
G01 - MEASURING TESTING
Information
Patent Grant
Fast ambiguity resolution for real time kinematic survey and naviga...
Patent number
6,753,810
Issue date
Jun 22, 2004
Navcom Technology, Inc.
Yunchun Yang
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Method for combined use of local positioning system and a global po...
Publication number
20050264444
Publication date
Dec 1, 2005
Richard T. Sharpe
G01 - MEASURING TESTING
Information
Patent Application
GPS navigation using successive differences of carrier-phase measur...
Publication number
20050248485
Publication date
Nov 10, 2005
Ronald R. Hatch
G01 - MEASURING TESTING
Information
Patent Application
Method for backup dual-frequency navigation during brief periods wh...
Publication number
20050203702
Publication date
Sep 15, 2005
Richard T. Sharpe
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR COMBINED USE OF A LOCAL RTK SYSTEM AND A REGIONAL, WIDE-...
Publication number
20050151683
Publication date
Jul 14, 2005
Richard T. Sharpe
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR RECEIVER AUTONOMOUS INTEGRITY MONITORING AND FAULT DETEC...
Publication number
20050052319
Publication date
Mar 10, 2005
Ronald R. Hatch
G01 - MEASURING TESTING