Donghai Dai

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for prediction-based distributed navigation
- Patent number 6,807,483
- Issue date Oct 19, 2004
- TeleVigation, Inc.
- Yi-Chung Chao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Real-time navigation system for mobile environment
- Publication number 20040220726
- Publication date Nov 4, 2004
- TeleVigation, Inc.
- Haiping Jin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Real-time navigation system for mobile environment
- Publication number 20020173905
- Publication date Nov 21, 2002
- TeleVigation, Inc.
- Haiping Jin
- G01 - MEASURING TESTING