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Chiayee Steve Chang
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
GPS-based positioning system for mobile GPS terminals
Patent number
8,164,516
Issue date
Apr 24, 2012
CSR Technology Inc.
Ikuo Tsujimoto
G01 - MEASURING TESTING
Information
Patent Grant
GPS-based positioning system for mobile GPS terminals
Patent number
7,352,322
Issue date
Apr 1, 2008
SiRF Technology, Inc.
Ikuo Tsujimoto
G01 - MEASURING TESTING
Information
Patent Grant
Partial almanac collection system
Patent number
7,239,272
Issue date
Jul 3, 2007
SiRF Technology, Inc.
Hemali Vyas
G01 - MEASURING TESTING
Information
Patent Grant
Partial almanac collection system
Patent number
7,239,271
Issue date
Jul 3, 2007
SiRF Technology, Inc.
Hemali Vyas
G01 - MEASURING TESTING
Information
Patent Grant
GPS-based positioning system for mobile GPS terminals
Patent number
7,009,555
Issue date
Mar 7, 2006
SiRF Technology, Inc.
Ikuo Tsujimoto
G01 - MEASURING TESTING
Information
Patent Grant
Mode determination for mobile GPS terminals
Patent number
6,703,971
Issue date
Mar 9, 2004
SiRF Technologies, Inc.
Ashutosh Pande
G01 - MEASURING TESTING
Information
Patent Grant
GPS-based positioning system for mobile GPS terminals
Patent number
6,462,708
Issue date
Oct 8, 2002
SiRF Technology, Inc.
Ikuo Tsujimoto
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
GPS-BASED POSITIONING SYSTEM FOR MOBILE GPS TERMINALS
Publication number
20090033553
Publication date
Feb 5, 2009
SiRF Technology, Inc.
Ikuo Tusjimoto
G01 - MEASURING TESTING
Information
Patent Application
Partial almanac collection system
Publication number
20060208942
Publication date
Sep 21, 2006
Hemali Vyas
G01 - MEASURING TESTING
Information
Patent Application
GPS-based positioning system for mobile GPS terminals
Publication number
20060202887
Publication date
Sep 14, 2006
Ikuo Tsujimoto
G01 - MEASURING TESTING
Information
Patent Application
GPS-based positioning system for mobile GPS terminals
Publication number
20020190896
Publication date
Dec 19, 2002
SiRF Technology, Inc. and Matsushita Electric Works, Ltd.
Ikuo Tsujimoto
G01 - MEASURING TESTING
Information
Patent Application
Mode determination for mobile GPS terminals
Publication number
20020154058
Publication date
Oct 24, 2002
Ashutosh Pande
G01 - MEASURING TESTING
Information
Patent Application
GPS-BASED POSITIONING SYSTEM FOR MOBILE GPS TERMINALS
Publication number
20020145560
Publication date
Oct 10, 2002
SiRF Technology, Inc.
Ikuo Tsujimoto
G01 - MEASURING TESTING