Granted Patent
Utility
US 4,723,161 · App. 06/841,175
Method and arrangement of coding digital image signals utilizing interframe correlation
Inventor:
Toshio Koga
Patented Case
View Patent ↗
Granted: Feb 2, 1988
Filed: Mar 19, 1986
Inventor
Toshio Koga
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.