Yun Zhang Pei

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Information polling method, apparatus and system
- Patent number 8,204,032
- Issue date Jun 19, 2012
- International Business Machines Corporation
- Zhi Guo Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Channel merging method for VOD system
- Patent number 7,673,318
- Issue date Mar 2, 2010
- International Business Machines Corporation
- Yun Zhang Pei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for generating hierarchical keys of digital as...
- Patent number 7,421,081
- Issue date Sep 2, 2008
- International Business Machines Corporation
- Jian Zhang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Channel merging method for VOD system
- Patent number 7,373,653
- Issue date May 13, 2008
- International Business Machines Corporation
- Yun Zhang Pei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION POLLING METHOD, APPARATUS AND SYSTEM
- Publication number 20090059950
- Publication date Mar 5, 2009
- International Business Machines Corporation
- Zhi Guo Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CHANNEL MERGING METHOD FOR VOD SYSTEM
- Publication number 20080052748
- Publication date Feb 28, 2008
- Yun Zhang Pei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for generating hierarchical keys of digital as...
- Publication number 20040215661
- Publication date Oct 28, 2004
- International Business Machines Corporation
- Jian Zhang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Channel merging method for VOD system
- Publication number 20040172654
- Publication date Sep 2, 2004
- International Business Machines Corporation
- Yun Zhang Pei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE