Shen; Qingchun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Shen; Qingchun.The latest application filed is for "method and apparatus for providing a call service to a user".

Company Profile

0.7.7

Shen; Qingchun - Guangdong Province N/A CN
Shen; Qingchun - Shenzhen CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for establishing a session between a caller and a callee Grant 8,599,831 - Shen , et al. December 3, 2	2013-12-03
Method And Apparatus For Providing A Call Service To A User App 20130017809 - WU; Jian ; et al.	2013-01-17
Call control method, communication system, and relevant devices Grant 8,335,201 - Yi , et al. December 18, 2	2012-12-18
Method, system and apparatus for implementing ringback tone service Grant 8,295,464 - Zhang , et al. October 23, 2	2012-10-23
Call processing method, system and equipment of same number service Grant 8,284,767 - Yi , et al. October 9, 2	2012-10-09
Method and system for replicating ring back tones Grant 8,170,194 - Shen , et al. May 1, 2	2012-05-01
Call Control Method, Communication System, and Revelant Devices App 20110110298 - YI; Zhiquan ; et al.	2011-05-12
Call processing method, system and equipment of same number service App 20100220719 - Yi; Zhiquan ; et al.	2010-09-02
Method And System For Replicating Ring Back Tones App 20090116632 - SHEN; Qingchun ; et al.	2009-05-07
Method and system for replicating ring back tones Grant 7,471,783 - Shen , et al. December 30, 2	2008-12-30
Method, System And Apparatus For Implementing Ringback Tone Service App 20080198976 - Zhang; Zhifeng ; et al.	2008-08-21
Method for establishing a session between a caller and a callee App 20070071216 - Shen; Qingchun ; et al.	2007-03-29
Method and system for playing multimedia files App 20070038778 - Miao; Caixia ; et al.	2007-02-15

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