Assignee
LI GUANFENG
US5 patents
Top patents by PatentIndex Score
US8792905B1Jul 29, 2014
Location monitoring using clusters of entities
LI GUANFENG35 citations92
US8638230B2Jan 28, 2014
Hardware attitude detection implementation of mobile devices with MEMS motion sensors
LI GUANFENG7 citations83
US8326326B2Dec 4, 2012
Peer-to-peer location service
LI GUANFENG7 citations82
US9052206B2Jun 9, 2015
Generating an indoor map model
LI GUANFENG4 citations72
US9173069B2Oct 27, 2015
Navigating using an indoor map representation
LI GUANFENG2 citations61