Granted Patent
Utility
US 5,982,952 · App. 08/720,324
Optical character reader with tangent detection for detecting tilt of image data
Inventor:
Yutaka Nakashima
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Sep 27, 1996
Inventor
Yutaka Nakashima
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.