Granted Patent
Utility
US 4,475,174 · App. 06/300,150
Decoding apparatus for codes represented by code tree
Inventor:
Hideaki Kanayama
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Sep 8, 1981
Inventor
Hideaki Kanayama
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.