Granted Patent
Utility
US 5,446,290 · App. 08/240,568
Fingerprint image input device having an image sensor with openings
Inventors:
Ichiro Fujieda, Yuzo Ono, Seijin Sugama
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: May 11, 1994
Inventors
Ichiro Fujieda
Yuzo Ono
Seijin Sugama
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.