Granted Patent
Utility
US 4,284,975 · App. 06/098,813
On-line pattern recognition system for hand-written characters
Inventor:
Kazumi Odaka
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Nov 30, 1979
Inventor
Kazumi Odaka
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.