Guangdong
China
6
2018-06-07
The entities that hold a legal rights for patent applications filed by inventor Li Chun:
Chun Li from Guangdong, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Karaoke processing method, apparatus and system
#2 | 2018-03-29Audio processing method, apparatus and system
#3 | 2014-02-13METHOD AND SYSTEM FOR SENDING PROMPT INFORMATION TO SOCIAL NETWORKING SERVICES COMMUNITY USERS
#4 | 2010-12-16Charging method and network system thereof, packet data network gateway and charging system thereof
#5 | 2010-06-17Charging method and network system thereof, packet data network gateway and charging system thereof
#6 | 2010-04-01Charging method, system and apparatus
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