Granted Patent
Utility
US 5,278,787 · App. 07/989,632
Semiconductor device and method of manufacturing the same
Inventor:
Shoichi Iwasa
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Dec 11, 1992
Inventor
Shoichi Iwasa
Assignee (at issue)
NIPPON STEEL 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.