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Shenzhen, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system for providing real time ringback tone, and termin...
Patent number
8,478,246
Issue date
Jul 2, 2013
Huawei Technologies Co., Ltd.
Zhengwei Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Gateway home location register and method of exchanging subscriber...
Patent number
7,319,873
Issue date
Jan 15, 2008
Huawei Technologies Co., Ltd.
Wenlin Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Method and system for providing real time ringback tone, and termin...
Publication number
20080108334
Publication date
May 8, 2008
Huawei Technologies Co., Ltd.
Zhengwei Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Gateway home location register and a method of subscriber's ro...
Publication number
20060030328
Publication date
Feb 9, 2006
Huawei Technologies Co., Ltd
Wenlin Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE