Granted Patent
Utility
US 4,800,440 · App. 06/946,434
Digital image signal coding/decoding circuit with buffer memory storing reference line as compression codes
Inventor:
Hidefumi Kurokawa
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Dec 23, 1986
Inventor
Hidefumi Kurokawa
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.