Inventor · disambiguated record
Yichu Zheng
Also filed as: ZHENG YICHU
2 granted patents·7 citations·filing 2007–2009
50Inventor score
Top patents by PatentIndex Score
2 records- 0170US8131265B2System and method for implementing multimedia ring back tone serviceCHENG YIHUA·Filed 2007·Granted Mar 6, 2012·6 cites·26 claims
- 0251US8553869B2Method for implementing RBT interworking, media gateway control function device, and application serverZHU HAOPENG·Filed 2009·Granted Oct 8, 2013·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →