Granted Patent
Utility
US 5,045,906 · App. 07/559,035
Solid state image pickup device having photo-shield plate in contact with photo-elecetric converting region via Schottky barrier
Inventor:
Kazuhisa Nagaya
Patented Case
View Patent ↗
Granted: Sep 3, 1991
Filed: Jul 30, 1990
Inventor
Kazuhisa Nagaya
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.