Granted Patent
Utility
US 6,226,404 · App. 09/092,011
On-line character recognition system
Inventor:
Yoshikazu Ikebata
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Jun 4, 1998
Inventor
Yoshikazu Ikebata
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.