Granted Patent
Utility
US 6,329,247 · App. 09/615,704
Nonvolatile semiconductor memory device and manufacturing method thereof
Inventor:
Hiroshi Ito
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Jul 13, 2000
Inventor
Hiroshi Ito
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.