Pei; Yun Zhang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pei; Yun Zhang.The latest application filed is for "information polling method, apparatus and system".
- Pei; Yun Zhang - Beijing CN
| Patent | Date |
|---|---|
| Information polling method, apparatus and system Grant 8,204,032 - Gao , et al. June 19, 2 | 2012-06-19 |
| Channel merging method for VOD system Grant 7,673,318 - Pei , et al. March 2, 2 | 2010-03-02 |
| Information Polling Method, Apparatus And System App 20090059950 - Gao; Zhi Guo ; et al. | 2009-03-05 |
| Method and apparatus for generating hierarchical keys of digital assets Grant 7,421,081 - Zhang , et al. September 2, 2 | 2008-09-02 |
| Channel merging method for VOD system Grant 7,373,653 - Pei , et al. May 13, 2 | 2008-05-13 |
| Channel Merging Method For Vod System App 20080052748 - Pei; Yun Zhang ; et al. | 2008-02-28 |
| Method and apparatus for generating hierarchical keys of digital assets App 20040215661 - Zhang, Jian ; et al. | 2004-10-28 |
| Channel merging method for VOD system App 20040172654 - Pei, Yun Zhang ; et al. | 2004-09-02 |
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