Zhenfu Cao

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for key exchange and method and apparatus for red...
- Patent number 8,738,914
- Issue date May 27, 2014
- Huawei Technologies Co., Ltd.
- Zhenfu Cao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Authentication method, system, server, and user node
- Patent number 8,510,556
- Issue date Aug 13, 2013
- Huawei Technologies Co., Ltd.
- Zhenfu Cao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatuses for key generation, encryption and decrypti...
- Patent number 8,290,154
- Issue date Oct 16, 2012
- Sony Corporation
- Zhenfu Cao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for remote password based authentication using sm...
- Patent number 7,769,999
- Issue date Aug 3, 2010
- Huawei Technologies Co., Ltd.
- Zhenfu Cao
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND APPARATUSES FOR KEY GENERATION, ENCRYPTION AND DECRYPTI...
- Publication number 20100272260
- Publication date Oct 28, 2010
- SONY CORPORATION
- Zhenfu Cao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD,SYSTEM AND NETWORK DEVICE FOR BIDIRECTIONAL AUTHENTICATION
- Publication number 20090307492
- Publication date Dec 10, 2009
- Zhenfu CAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR KEY EXCHANGE AND METHOD AND APPARATUS FOR RED...
- Publication number 20090271628
- Publication date Oct 29, 2009
- Zhenfu Cao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Authentication method, system, server, and user node
- Publication number 20090271624
- Publication date Oct 29, 2009
- Zhenfu Cao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for remote password based authentication using sm...
- Publication number 20080016333
- Publication date Jan 17, 2008
- Huawei Technologies Co., Ltd.
- Zhenfu Cao
- G06 - COMPUTING CALCULATING COUNTING