Cheng Xu

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for device positioning with bluetooth low energy...
- Patent number 10,003,913
- Issue date Jun 19, 2018
- OATH INC.
- Haojian Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for device positioning with bluetooth low energy...
- Patent number 9,602,956
- Issue date Mar 21, 2017
- Yahoo! Inc.
- Haojian Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR DEVICE POSITIONING WITH BLUETOOTH LOW ENERGY...
- Publication number 20170171699
- Publication date Jun 15, 2017
- Yahoo! Inc.
- Haojian Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR DEVICE POSITIONING WITH BLUETOOTH LOW ENERGY...
- Publication number 20170064490
- Publication date Mar 2, 2017
- Yahoo! Inc.
- Haojian Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE