Li Guanfeng

Person

Fremont, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Navigating using an indoor map representation
- Patent number 9,472,004
- Issue date Oct 18, 2016
- Google Inc.
- Guanfeng Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Navigating using an indoor map representation
- Patent number 9,173,069
- Issue date Oct 27, 2015
- Google Inc.
- Guanfeng Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hardware attitude detection implementation of mobile devices with M...
- Patent number 9,135,802
- Issue date Sep 15, 2015
- Google Inc.
- Guanfeng Li
- G08 - SIGNALLING
Information Patent Grant
Generating an indoor map model
- Patent number 9,052,206
- Issue date Jun 9, 2015
- Google Inc.
- Guanfeng Li
- G01 - MEASURING TESTING
Information Patent Grant
Location monitoring using clusters of entities
- Patent number 8,792,905
- Issue date Jul 29, 2014
- Google Inc.
- Guanfeng Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hardware attitude detection implementation of mobile devices with M...
- Patent number 8,638,230
- Issue date Jan 28, 2014
- Google Inc.
- Guanfeng Li
- G08 - SIGNALLING
Information Patent Grant
Peer-to-peer location service
- Patent number 8,600,409
- Issue date Dec 3, 2013
- Google Inc.
- Guanfeng Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
GPS and MEMS hybrid location-detection architecture
- Patent number 8,362,949
- Issue date Jan 29, 2013
- Google Inc.
- Qingxuan Yang
- G01 - MEASURING TESTING
Information Patent Grant
Peer-to-peer location service
- Patent number 8,364,172
- Issue date Jan 29, 2013
- Google Inc.
- Li Guanfeng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Peer-to-peer location service
- Patent number 8,326,326
- Issue date Dec 4, 2012
- Google Inc.
- Guanfeng Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
NAVIGATING USING AN INDOOR MAP REPRESENTATION
- Publication number 20160055661
- Publication date Feb 25, 2016
- Google Inc.
- Guanfeng Li
- G01 - MEASURING TESTING
Information Patent Application
HARDWARE ATTITUDE DETECTION IMPLEMENTATION OF MOBILE DEVICES WITH M...
- Publication number 20140118153
- Publication date May 1, 2014
- Google Inc.
- Guanfeng Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NAVIGATING USING AN INDOOR MAP REPRESENTATION
- Publication number 20140113665
- Publication date Apr 24, 2014
- Google Inc.
- Guanfeng Li
- G01 - MEASURING TESTING
Information Patent Application
GENERATING AN INDOOR MAP MODEL
- Publication number 20140078150
- Publication date Mar 20, 2014
- Google Inc.
- Guanfeng Li
- G01 - MEASURING TESTING
Information Patent Application
HARDWARE ATTITUDE DETECTION IMPLEMENTATION OF MOBILE DEVICES WITH M...
- Publication number 20130314238
- Publication date Nov 28, 2013
- Guanfeng Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PEER-TO-PEER LOCATION SERVICE
- Publication number 20130143599
- Publication date Jun 6, 2013
- Guanfeng Li
- G01 - MEASURING TESTING
Information Patent Application
PEER-TO-PEER LOCATION SERVICE
- Publication number 20120157123
- Publication date Jun 21, 2012
- Google Inc.
- Guanfeng Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PEER-TO-PEER LOCATION SERVICE
- Publication number 20120157121
- Publication date Jun 21, 2012
- Google Inc.
- Guanfeng Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Li Guanfeng

Person

Patents Grantslast 30 patents

Navigating using an indoor map representation

Navigating using an indoor map representation

Hardware attitude detection implementation of mobile devices with M...

Generating an indoor map model

Location monitoring using clusters of entities

Hardware attitude detection implementation of mobile devices with M...

Peer-to-peer location service

GPS and MEMS hybrid location-detection architecture

Peer-to-peer location service

Peer-to-peer location service

Patents Applicationslast 30 patents

NAVIGATING USING AN INDOOR MAP REPRESENTATION

HARDWARE ATTITUDE DETECTION IMPLEMENTATION OF MOBILE DEVICES WITH M...

NAVIGATING USING AN INDOOR MAP REPRESENTATION

GENERATING AN INDOOR MAP MODEL

HARDWARE ATTITUDE DETECTION IMPLEMENTATION OF MOBILE DEVICES WITH M...

PEER-TO-PEER LOCATION SERVICE

PEER-TO-PEER LOCATION SERVICE

PEER-TO-PEER LOCATION SERVICE