Qianfeng XU

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method, apparatus and system for interconnected ring protection
- Patent number 9,210,037
- Issue date Dec 8, 2015
- Huawei Technologies Co., Ltd.
- Guanghui Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sub-rate transmission method for user data services in transmission...
- Patent number 7,660,313
- Issue date Feb 9, 2010
- Huawei Technologies Co., Ltd.
- Wu Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Point-to-Multipoint Service Transmission Method and Apparatus
- Publication number 20170317924
- Publication date Nov 2, 2017
- Huawei Technologies Co., Ltd
- Guanghui Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, APPARATUS AND SYSTEM FOR INTERCONNECTED RING PROTECTION
- Publication number 20130194913
- Publication date Aug 1, 2013
- Huawei Technologies Co., Ltd
- Guanghui SUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for supporting data framing protocols by an MSTP device and...
- Publication number 20070189306
- Publication date Aug 16, 2007
- Huawei Technologies Co., Ltd.
- Qianfeng Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Sub-rate transmission method for user data services in transmission...
- Publication number 20050190773
- Publication date Sep 1, 2005
- Huawei Technologies Co., Ltd
- Wu Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE