Inventor · disambiguated record
Baoquan Zhang
Also filed as: ZHANG BAOQUAN · ZHANG BAOQUAN ALEX
11 granted patents·226 citations·filing 2002–2009
91Inventor score
Top patents by PatentIndex Score
11 records- 0195US7995728B1Personal ringback tone content selection and activationSPRINT SPECTRUM LP·Filed 2006·Granted Aug 9, 2011·49 cites·9 claims
- 0288US8027456B1Method and system for providing call tones service in a system with multiple media content providersSPRINT SPECTRUM LP·Filed 2006·Granted Sep 27, 2011·15 cites·14 claims
- 0388US7437162B1Method and system for dynamically delivering a voice call as voice or data depending on data-mode of destination terminalSPRINT SPECTRUM LP·Filed 2003·Granted Oct 14, 2008·36 cites·12 claims
- 0483US7545762B1Method and system for network presence notificationSPRINT SPECTRUM LP·Filed 2002·Granted Jun 9, 2009·49 cites·14 claims
- 0583US7215754B1Method and system for user selection from multiple predefined service profile setsSPRINT SPECTRUM LP·Filed 2003·Granted May 8, 2007·41 cites·20 claims
- 0681US7894834B1Method and system to facilitate multiple media content providers to inter-work with media serving systemSPRINT SPECTRUM LP·Filed 2006·Granted Feb 22, 2011·9 cites·14 claims
- 0780US7142657B2Method and system for preventing call forward loopingSPRINT SPECTRUM LP·Filed 2002·Granted Nov 28, 2006·18 cites·21 claims
- 0863US8983439B1Method and system for offering a media content itemMARTIN GEOFF S·Filed 2009·Granted Mar 17, 2015·2 cites·12 claims
- 0961US8046470B2Method and system for incoming call notificationSPRINT SPECTRUM LP·Filed 2002·Granted Oct 25, 2011·6 cites·20 claims
- 1051US7596219B1Method and system for preventing endless looping during telephone call set upSPRINT SPECTRUM LP·Filed 2004·Granted Sep 29, 2009·1 cites·25 claims
- 1148US8712026B1Method and system for distributing ringback filesZHANG BAOQUAN·Filed 2008·Granted Apr 29, 2014·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →