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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