Granted Patent
Utility
US 5,960,283 · App. 08/947,349
Nonvolatile semiconductor memory device and method of fabrication of the same
Inventor:
Yasuo Sato
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Oct 8, 1997
Inventor
Yasuo Sato
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.