Granted Patent
Utility
US 5,861,824 · App. 08/776,994
Encoding method and system, and decoding method and system
Inventors:
Tadanori Ryu, Masashi Tokuda
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Feb 6, 1997
Inventors
Tadanori Ryu
Masashi Tokuda
Assignee (at issue)
RICOH COMPANY, LTD.
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.