Assignee

LI SHITAO

CN·2 granted patents·2 citations·filing 2010–2010

Technology mixH04M2 H04W2 H04L1

Top patents by PatentIndex Score

2 records

0162US8412283B2System and method for switching ringing state session with customized alerting toneLI SHITAO·Filed 2010·Granted Apr 2, 2013·2 cites·16 claims
0238US9137710B2Switching system and method of ringing session with CRBTLI SHITAO·Filed 2010·Granted Sep 15, 2015·0 cites·13 claims

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