Granted Patent
Utility
US 5,336,919 · App. 07/798,137
Solid-state image pickup device with high melting point metal shield
Inventor:
Keiji Toriyama
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Nov 26, 1991
Inventor
Keiji Toriyama
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.