Granted Patent
Utility
US 6,420,979 · App. 09/713,828
Method for compressing and decompressing image signals and apparatus for compressing and decompressing image signals
Inventor:
Yoichi Katayama
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Nov 15, 2000
Inventor
Yoichi Katayama
Assignee (at issue)
NEC CORPORATION
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.