Granted Patent
Utility
US 6,507,614 · App. 09/421,782
Efficient de-quantization in a digital video decoding process using a dynamic quantization matrix for parallel computations
Inventor:
Wei Li
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Oct 19, 1999
Inventor
Wei Li
Assignees (at issue)
SONY GROUP CORPORATION
SONY ELECTRONICS INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.