James Sun

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Mountain View, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ionospheric correction for single frequency GPS receivers using thr...
- Patent number 6,169,958
- Issue date Jan 2, 2001
- VSIS, Inc.
- Vijay Nagasamy
- G01 - MEASURING TESTING
Information Patent Grant
Ionospheric correction for single frequency GPS receivers using two...
- Patent number 6,163,295
- Issue date Dec 19, 2000
- VSIS, Inc.
- Vijay Nagasamy
- G01 - MEASURING TESTING