Assignee
WU LINGYAN
CN·4 granted patents·3 citations·filing 2009–2012
Top patents by PatentIndex Score
4 records- 0170US8644482B2Method and apparatus for implementing and filtering customized ringing signalsWU LINGYAN·Filed 2009·Granted Feb 4, 2014·3 cites·12 claims
- 0253US8855282B2Method, system and apparatus for implementing multimedia ring back tone serviceWU LINGYAN·Filed 2012·Granted Oct 7, 2014·0 cites·15 claims
- 0353US8724786B2Method, system and apparatus for implementing multimedia ring back tone serviceWU LINGYAN·Filed 2012·Granted May 13, 2014·0 cites·6 claims
- 0453US8724787B2Method, system and apparatus for implementing multimedia ring back tone serviceWU LINGYAN·Filed 2012·Granted May 13, 2014·0 cites·7 claims
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