XY

Xiancheng Yuan

PI Picturetel: 4 patents #4 of 48Top 9%
📍 Bedford, MA: #259 of 774 inventorsTop 35%
🗺 Massachusetts: #27,608 of 88,656 inventorsTop 35%
Overall (All Time): #1,287,003 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5821986 Method and apparatus for visual communications in a scalable network environment Matthew Bace 1998-10-13
5367385 Method and apparatus for processing block coded image data to reduce boundary artifacts between adjacent image blocks 1994-11-22
5155594 Hierarchical encoding method and apparatus employing background references for efficiently communicating image sequences Jeffrey Bernstein, Bernd Girod 1992-10-13
5150209 Hierarchical entropy coded lattice threshold quantization encoding method and apparatus for image and video compression Richard L. Baker, Jeffrey Bernstein, Bernd Girod, Edmund Thompson 1992-09-22