Granted Patent
Utility
US 4,602,383 · App. 06/606,074
Image data compression system
Inventors:
Katsuhiko Ogawa, Shinju Horiguchi
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: May 1, 1984
Inventors
Katsuhiko Ogawa
Shinju Horiguchi
Assignee (at issue)
Nippon Telegraph and Telephone Public 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.