Qian Chen

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Fremont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Navigation system with multiple users and method of operation thereof
- Patent number 8,930,129
- Issue date Jan 6, 2015
- TeleNav, Inc.
- Qian Chen
- G01 - MEASURING TESTING
Information Patent Grant
Navigation system with audio and method of operation thereof
- Patent number 8,660,788
- Issue date Feb 25, 2014
- TeleNav, Inc.
- Qian Chen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PROVIDING LIMITED PERMISSION LEVEL FUNCTIONALITY FOR LISTINGS IN A...
- Publication number 20200234244
- Publication date Jul 23, 2020
- Li Zhou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NAVIGATION SYSTEM WITH AUDIO AND METHOD OF OPERATION THEREOF
- Publication number 20110137556
- Publication date Jun 9, 2011
- TeleNav, Inc.
- Qian Chen
- G01 - MEASURING TESTING
Information Patent Application
NAVIGATION SYSTEM WITH MULTIPLE USERS AND METHOD OF OPERATION THEREOF
- Publication number 20110118975
- Publication date May 19, 2011
- TeleNav, Inc.
- Qian Chen
- G01 - MEASURING TESTING