Zhiguo Yan

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Broadband test line access circuit, broadband test-line access boar...
- Patent number 7,688,744
- Issue date Mar 30, 2010
- Huawei Technologies Co., Ltd.
- Tao Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Broadband Test Line Access Circuit, Broadband Test-Line Access Boar...
- Publication number 20080298262
- Publication date Dec 4, 2008
- HUAWEI TECHNOLOGIES CO., LTD.
- Tao Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BROADBAND-NARROWBAND COMBINING BOARD IN INTEGRATED ACCESS APPARATUS
- Publication number 20080130247
- Publication date Jun 5, 2008
- Xueyi ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE