Granted Patent
Utility
US 5,872,392 · App. 08/848,289
Semiconductor device and a method of fabricating the same
Inventor:
Tomofune Tani
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Apr 29, 1997
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.