YP

Yun Zhang Pei

IBM: 4 patents #21,733 of 70,183Top 35%
Overall (All Time): #1,233,582 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8204032 Information polling method, apparatus and system Zhi Guo Gao, Chen Wang, Bo Yang 2012-06-19
7673318 Channel merging method for VOD system Ling Shao, Dong Xie 2010-03-02
7421081 Method and apparatus for generating hierarchical keys of digital assets Jian Zhang, Ling Shao, Dong Xie 2008-09-02
7373653 Channel merging method for VOD system Ling Shao, Dong Xie 2008-05-13