Granted Patent
Utility
US 5,432,113 · App. 08/102,008
Method of making a semiconductor memory device
Inventor:
Tomofune Tani
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Aug 4, 1993
Inventor
Tomofune Tani
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.